Explore Koh Haa

Have you ever wondered what it feels like to breathe underwater?Join Blue Planet Divers in Koh Lanta and discover the incredible underwater world of the Andaman Sea. Our Try Scuba Diving experience is designed for complete beginners, with no certification or previous diving experience required.After a full briefing from one of our professional instructors, you'll enjoy your first underwater adventure in small groups, exploring some of Koh Lanta's most beautiful dive sites. Expect crystal-clear water, colorful coral reefs, tropical fish and an experience you'll never forget.As an SSI Dive Center and Silver Green Fins member, we are committed to safe, eco-friendly diving practices and personalized experiences for every guest.

Take your first step into the underwater world with the SSI Open Water Diver Course in Koh Lanta. Designed for beginners, this internationally recognized certification program combines flexible digital learning, practical skill development, and open water diving experiences to help you become a confident and responsible scuba diver.At Blue Planet Divers, training is delivered in a welcoming, personalized environment with small groups and professional SSI instructors, ensuring every student receives the attention needed to progress safely and comfortably.Throughout the course, you will learn essential scuba diving skills, equipment use, underwater communication, buoyancy control, dive planning, and environmental awareness. Training takes place in the warm, clear waters of the Andaman Sea, providing ideal conditions for learning and building confidence underwater.Upon successful completion, you will earn the SSI Open Water Diver certification, allowing you to dive independently with a certified buddy to a maximum depth of 18 metres (60 feet) anywhere in the world.

1. Why Take This Specialty Course?Take a fresh look at the big picture of ocean life. Beyond individual species lies a complex web of life where every plant, animal, and microorganism plays a vital role. The SSI Marine Ecology specialty bridges the gap between simple organism identification and true ecological understanding. By exploring how energy flows through food webs, how different ocean zones interact, and how abiotic factors like currents and temperature shape marine life, you will gain a profound appreciation for the fragile balance of Koh Lanta’s marine ecosystems.Ecosystem Dynamics: Learn how marine communities interact with their physical environment and adapt to changing ocean conditions.Food Webs & Energy Flow: Discover the vital connections from microscopic phytoplankton up to apex predators like sharks and whales.Habitat Diversity: Explore various marine environments, including coral reefs, mangrove forests, seagrass beds, and open ocean ecosystems.Open to Everyone: Academic course accessible to scuba divers, freedivers, and snorkelers.2. Course Curriculum (1 day in ocean with 2 snorkeling sites)The course combines interactive online learning on the MySSI app and a topic presentation at the center with your instructor (with an optional practical application during your ocean dives).Key Topics Covered:Fundamentals of Marine Science: Oceanography basics, energy cycles, food webs, and ecological niches in marine environments.Tropical Marine Ecosystems: The vital connections between coral reefs, mangroves, and seagrass beds in the Andaman Sea.Human Impact & Ocean Conservation: Climate change, overfishing, marine pollution, and how eco-conscious divers can contribute to ocean protection.3. PrerequisitesMinimum Age: 6 years old for non-divers.4. Your International CertificationAt the end of the course, you will earn yourSSI Marine Ecology Specialty CertificationRecognized worldwide5. Frequently Asked Questions (FAQ)Do I need to scuba dive or snorkel for this specialty?No, it is not mandatory! The Marine Ecology specialty can be completed entirely as a 100% dry course.If you are a non-diver or prefer to stay out of the water, you can earn your certification by completing the interactive classroom or online sessions.However, if you are a diver or snorkeler, adding in-water sessions is highly recommended: it’s the perfect opportunity to observe ecosystems in action and connect theory with real reef, mangrove, and seagrass habitats!How does Marine Ecology differ from specific ecology courses like Shark or Turtle Ecology?While species-specific courses focus on individual animal groups, Marine Ecology takes a broader view of the entire ocean ecosystem, exploring how all marine life forms interact together.Is this course very academic or technical?Not at all! The material is presented in an engaging, easy-to-understand way, using real-world examples from Koh Lanta’s dive sites to bring ocean science to life.

1. Why Take This Specialty Course?Take a fresh look at the big picture of ocean life. Beyond individual species lies a complex web of life where every plant, animal, and microorganism plays a vital role. The SSI Marine Ecology specialty bridges the gap between simple organism identification and true ecological understanding. By exploring how energy flows through food webs, how different ocean zones interact, and how abiotic factors like currents and temperature shape marine life, you will gain a profound appreciation for the fragile balance of Koh Lanta’s marine ecosystems.Ecosystem Dynamics: Learn how marine communities interact with their physical environment and adapt to changing ocean conditions.Food Webs & Energy Flow: Discover the vital connections from microscopic phytoplankton up to apex predators like sharks and whales.Habitat Diversity: Explore various marine environments, including coral reefs, mangrove forests, seagrass beds, and open ocean ecosystems.Open to Everyone: Academic course accessible to scuba divers, freedivers, and snorkelers.2. Course Curriculum (1 day in ocean with 2 snorkeling sites)The course combines interactive online learning on the MySSI app and a topic presentation at the center with your instructor (with an optional practical application during your ocean dives).Key Topics Covered:Fundamentals of Marine Science: Oceanography basics, energy cycles, food webs, and ecological niches in marine environments.Tropical Marine Ecosystems: The vital connections between coral reefs, mangroves, and seagrass beds in the Andaman Sea.Human Impact & Ocean Conservation: Climate change, overfishing, marine pollution, and how eco-conscious divers can contribute to ocean protection.3. PrerequisitesMinimum Age: 6 years old for non-divers.4. Your International CertificationAt the end of the course, you will earn yourSSI Marine Ecology Specialty CertificationRecognized worldwide5. Frequently Asked Questions (FAQ)Do I need to scuba dive or snorkel for this specialty?No, it is not mandatory! The Marine Ecology specialty can be completed entirely as a 100% dry course.If you are a non-diver or prefer to stay out of the water, you can earn your certification by completing the interactive classroom or online sessions.However, if you are a diver or snorkeler, adding in-water sessions is highly recommended: it’s the perfect opportunity to observe ecosystems in action and connect theory with real reef, mangrove, and seagrass habitats!How does Marine Ecology differ from specific ecology courses like Shark or Turtle Ecology?While species-specific courses focus on individual animal groups, Marine Ecology takes a broader view of the entire ocean ecosystem, exploring how all marine life forms interact together.Is this course very academic or technical?Not at all! The material is presented in an engaging, easy-to-understand way, using real-world examples from Koh Lanta’s dive sites to bring ocean science to life.

1. Why Take This Specialty Course?Take a fresh look at reading the underwater landscape. Have you ever wondered how dive guides always manage to find their way back to the boat anchor without ascending? Underwater navigation is one of the most essential skills for becoming a self-sufficient and relaxed diver. The SSI Navigation specialty teaches you how to combine precise magnetic compass techniques with natural clues like sand ripples, current patterns, and reef topography. You will gain spatial awareness, reduce air consumption, and eliminate the stress of getting lost.Compass Navigation Skills: Master heading holds, reciprocals, square patterns, and multi-leg underwater navigation routes.Natural Observation: Learn to read reef structures, depth profiles, light directions, and marine life indicators to navigate naturally.Distance Estimation: Practice estimating underwater distance using kick cycles, time elapsed, and tank pressure consumption.Open to Certified Divers: Includes practical compass workshops and dedicated ocean navigation dives.2. Course Curriculum (1 day, 2 Local Dives)The course combines interactive online learning on the MySSI app with dry land compass practice and 2 open water navigation dives around Koh Lanta’s reef sites (such as Koh Haa or Koh Bida)???? Key Topics Covered:Compass Mechanics & Techniques: How underwater compasses function, tilt angles, setting bearings, and executing multi-point courses.Natural Navigation Clues: Identifying fixed landmarks, depth changes, wave ripples in sand, and sun position for orientation.Underwater Mapping & Search Patterns: Combining compass precision and natural clues to map out dive sites and return accurately.3. PrerequisitesOpen Water Diver certification (SSI, PADI, or equivalent).Minimum Age: 10 years old.4. Your International CertificationAt the end of the course, you will earn your SSI Navigation Specialty Certification.Digital SSI Navigation certification recognized worldwide.counts toward your SSI Advanced Open Water Diver or Master Scuba Diver rating5. Frequently Asked Questions (FAQ)I always struggled with compass orientation during my beginner course. Is this specialty hard?Not at all! Beginner courses only touch on the basics. This specialty breaks navigation down into simple, step-by-step techniques starting on dry land before applying them underwater in clear water.Does good navigation help reduce my air consumption?Yes! When you navigate confidently, you avoid unnecessary swimming, reduce stress, and maintain better buoyancy control, which directly leads to longer, more relaxed dives.

1. Why Take The Open Water Diver Course?Take a fresh look at life below the surface Learning to dive is one of the most transformative adventures you can experience. The SSI Open Water Diver course is your globally recognized entry ticket into the underwater world. Combining interactive digital theory, hands-on pool training, and four incredible ocean dives in the warm waters of Koh Lanta, this course equips you with the fundamental skills, safety knowledge, and buoyancy control needed to dive independently with a buddy anywhere on the planet.Globally Recognized Certification: Earn an international license allowing you to dive down to 18 meters (60 feet) with a certified buddy.Comprehensive Training: Master dive theory, safety protocols, equipment management, and core underwater skills at a comfortable pace.Unforgettable Ocean Dives: Complete four open water training dives at world-class sites like Koh Haa or Koh Bida, surrounded by tropical marine life.Open to Beginners: Designed specifically for first-time divers with no prior experience required.2. Course Curriculum (3 Days - 4 dives)The course combines flexible online learning on the MySSI app, practical skill development in confined water, and 4 dedicated open water dives from our boat:Key Topics Covered:Digital Academics & Briefings: Understanding dive physics, physiology, equipment functions, and dive planning principles.Confined Water Skill Workshops: Practicing mask clearing, regulator recovery, buoyancy control, hovering, and emergency air-sharing procedures.Open Water Ocean Dives: Applying your skills in the real ocean, building underwater confidence, navigating, and exploring coral reefs.3. PrerequisitesPrerequisites: Able to swim 200 meters (or 300 meters with mask, fins, and snorkel) and float/tread water for 10 minutes. No prior diving experience required.Minimum Age: 10 years old (Junior Open Water Diver certification for ages 10–14).4. Your International CertificationAt the end of the course, you will earn your  SSI Open Water Diver CertificationDigital SSI Open Water Diver certification card recognized worldwide.Valid for life, allowing you to rent scuba gear, book dive trips, and enroll in advanced specialty courses.5. Frequently Asked Questions (FAQ)How long does the Open Water Diver course take?The course is typically completed over 3 full days, which includes 1 day of pool/confined water training followed by 2 days on our boat completing your 4 ocean dives.What if I struggle with a specific skill during training?Our experienced instructors teach with patience and flexibility. You will work through skills step-by-step until you feel completely comfortable and confident before moving on to the open ocean.

1. Why Take This Specialty Course?Be prepared to act when seconds count. Whether you are exploring remote dive sites, snorkeling with family, or going about everyday life, emergency readiness is an invaluable life skill. The SSI React Right specialty is a comprehensive emergency first response course covering Primary Assessment, First Aid, CPR, and Oxygen Administration. Designed to build practical confidence in a supportive environment, this training equips you with the knowledge and hands-on skills needed to respond calmly and effectively during an emergency.Primary Assessment & CPR: Learn how to evaluate emergency scenes, assess vital signs, and deliver effective cardiopulmonary resuscitation.First Aid & Injury Management: Master practical techniques for managing bleeding, shock, fractures, burns, and marine life injuries.Oxygen Administration: Gain hands-on experience using emergency oxygen equipment, a vital skill for diving-related incidents.Open to Everyone: Classroom and practical workshop accessible to scuba divers, freedivers, snorkelers, and non-divers alike.2. Course Curriculum (1 day)The course combines interactive online learning on the MySSI app and a topic presentation at the center with your instructor.Key Topics Covered:Emergency Assessment & First Aid: Scene safety, barrier protection, primary assessment, and stabilizing medical emergencies.CPR & AED Techniques: Performing chest compressions, rescue breaths, and utilizing Automated External Defibrillators.Emergency Oxygen & Diving Injuries: Oxygen delivery systems, handling decompression sickness signs, and marine sting treatment.3. PrerequisitesNo diving prerequisites required (also accessible to non-divers, freedivers, and snorkelers).Minimum Age: 12 years old.4. Your International CertificationAt the end of the course, you will earn your SSI React Right Specialty Certification.Recognized worldwide.Mandatory prerequisite for SSI Diver Stress & Rescue and professional-level ratings like Divemaster.5. Frequently Asked Questions (FAQ)Is React Right only useful for diving accidents?Not at all! React Right covers international general first aid and CPR standards, making it directly applicable to everyday life, home, workplace, and outdoor activities.Do I need prior medical knowledge to enroll?No prior medical training is required. The course starts from basic principles and guides you step-by-step through practical scenarios until you feel confident in your skills.

1. Why Take This Specialty Course?Be prepared to act when seconds count. Whether you are exploring remote dive sites, snorkeling with family, or going about everyday life, emergency readiness is an invaluable life skill. The SSI React Right specialty is a comprehensive emergency first response course covering Primary Assessment, First Aid, CPR, and Oxygen Administration. Designed to build practical confidence in a supportive environment, this training equips you with the knowledge and hands-on skills needed to respond calmly and effectively during an emergency.Primary Assessment & CPR: Learn how to evaluate emergency scenes, assess vital signs, and deliver effective cardiopulmonary resuscitation.First Aid & Injury Management: Master practical techniques for managing bleeding, shock, fractures, burns, and marine life injuries.Oxygen Administration: Gain hands-on experience using emergency oxygen equipment, a vital skill for diving-related incidents.Open to Everyone: Classroom and practical workshop accessible to scuba divers, freedivers, snorkelers, and non-divers alike.2. Course Curriculum (1 day)The course combines interactive online learning on the MySSI app and a topic presentation at the center with your instructor.Key Topics Covered:Emergency Assessment & First Aid: Scene safety, barrier protection, primary assessment, and stabilizing medical emergencies.CPR & AED Techniques: Performing chest compressions, rescue breaths, and utilizing Automated External Defibrillators.Emergency Oxygen & Diving Injuries: Oxygen delivery systems, handling decompression sickness signs, and marine sting treatment.3. PrerequisitesNo diving prerequisites required (also accessible to non-divers, freedivers, and snorkelers).Minimum Age: 12 years old.4. Your International CertificationAt the end of the course, you will earn your SSI React Right Specialty Certification.Recognized worldwide.Mandatory prerequisite for SSI Diver Stress & Rescue and professional-level ratings like Divemaster.5. Frequently Asked Questions (FAQ)Is React Right only useful for diving accidents?Not at all! React Right covers international general first aid and CPR standards, making it directly applicable to everyday life, home, workplace, and outdoor activities.Do I need prior medical knowledge to enroll?No prior medical training is required. The course starts from basic principles and guides you step-by-step through practical scenarios until you feel confident in your skills.

1. Why Take The Scuba Diver Course?Take a fresh look at getting certified on a tight schedule If you want to become a certified diver but don’t have enough time to complete the full Open Water Diver course during your holiday, the SSI Scuba Diver course is the ideal solution. Covering roughly half of the full Open Water program, this entry-level certification gives you fundamental dive theory, essential pool training, and two ocean dives. It earns you an international card allowing you to dive anywhere in the world under the direct supervision of a dive professional to a maximum depth of 12 meters.Fast-Track Certification: Earn a recognized lifetime certification in just 2 days.Supervised Freedom: Dive anywhere worldwide down to 12 meters (40 feet) guided by an SSI Dive Professional.Seamless Upgrade Path: Upgrade to the full SSI Open Water Diver certification at any time in the future by simply completing the remaining modules.Open to Beginners: Perfect for absolute beginners who want a structured, guided certification experience.2. Course Curriculum (2 Days)The course combines digital online learning on the MySSI app, a pool/confined water skill session, and 2 dedicated open water boat dives around Koh Lanta’s reefs:Key Topics Covered:Foundational Academics (at home): Learning the basics of dive physics, pressure, equipment functions, and underwater communication.Confined Water Skill Session (1 Day): Practicing regulator recovery, mask clearing, buoyancy control, and emergency air-sharing procedures.Open Water Ocean Dives (1 Day): Applying your new skills in the ocean while exploring shallow coral reefs down to 12 meters.3. PrerequisitesPrerequisites: Able to swim and float/tread water. No prior diving experience required.Minimum Age: 10 years old (Junior Scuba Diver certification for ages 10–14).4. Your International CertificationAt the end of the course, you will earn your  SSI Scuba Diver CertificationDigital SSI Scuba Diver certification recognized worldwide.Fully upgradeable to SSI Open Water Diver at any SSI dive center globally.5. Frequently Asked Questions (FAQ)How is the Scuba Diver course different from the Open Water Diver course?The Scuba Diver course is essentially the first half of the Open Water Diver course (2 ocean dives instead of 4, and a 12-meter depth limit under professional supervision instead of 18 meters independent buddy diving).Can I complete the rest of my Open Water Diver certification later?Yes! Your Scuba Diver certification acts as a modular credit. You can complete the remaining academic modules, pool skills, and 2 open water dives whenever you are ready.

1. Why Take The Scuba Diver Course?Take a fresh look at getting certified on a tight schedule If you want to become a certified diver but don’t have enough time to complete the full Open Water Diver course during your holiday, the SSI Scuba Diver course is the ideal solution. Covering roughly half of the full Open Water program, this entry-level certification gives you fundamental dive theory, essential pool training, and two ocean dives. It earns you an international card allowing you to dive anywhere in the world under the direct supervision of a dive professional to a maximum depth of 12 meters.Fast-Track Certification: Earn a recognized lifetime certification in just 2 days.Supervised Freedom: Dive anywhere worldwide down to 12 meters (40 feet) guided by an SSI Dive Professional.Seamless Upgrade Path: Upgrade to the full SSI Open Water Diver certification at any time in the future by simply completing the remaining modules.Open to Beginners: Perfect for absolute beginners who want a structured, guided certification experience.2. Course Curriculum (2 Days)The course combines digital online learning on the MySSI app, a pool/confined water skill session, and 2 dedicated open water boat dives around Koh Lanta’s reefs:Key Topics Covered:Foundational Academics (at home): Learning the basics of dive physics, pressure, equipment functions, and underwater communication.Confined Water Skill Session (1 Day): Practicing regulator recovery, mask clearing, buoyancy control, and emergency air-sharing procedures.Open Water Ocean Dives (1 Day): Applying your new skills in the ocean while exploring shallow coral reefs down to 12 meters.3. PrerequisitesPrerequisites: Able to swim and float/tread water. No prior diving experience required.Minimum Age: 10 years old (Junior Scuba Diver certification for ages 10–14).4. Your International CertificationAt the end of the course, you will earn your  SSI Scuba Diver CertificationDigital SSI Scuba Diver certification recognized worldwide.Fully upgradeable to SSI Open Water Diver at any SSI dive center globally.5. Frequently Asked Questions (FAQ)How is the Scuba Diver course different from the Open Water Diver course?The Scuba Diver course is essentially the first half of the Open Water Diver course (2 ocean dives instead of 4, and a 12-meter depth limit under professional supervision instead of 18 meters independent buddy diving).Can I complete the rest of my Open Water Diver certification later?Yes! Your Scuba Diver certification acts as a modular credit. You can complete the remaining academic modules, pool skills, and 2 open water dives whenever you are ready.

1. Why choose SSI training with us?Progress at your own pace, in complete safety. Learning to dive or advancing to the next level is a milestone. At Apo Dhatu Divers, we make it a point of honor to offer personalized instruction based on hands-on experience and the joy of learning without stress.Free e-learning via MySSI: Study the theory at your own pace on your smartphone or computer before you leave.Small teaching group: a maximum of 2 students per instructor for personalized instruction and undivided attention.International Recognition: Your SSI digital certifications are valid at dive centers worldwide.2. Open Water + Advanced Open Water Training PackageCombining multiple courses offers several advantages:Financial SavingsThe total cost is lower than purchasing the two courses separately (discount on the application fee).Complete budget control for vacations or leisure projects, with no unpleasant pricing surprises during your trip.Time savings and simplified logisticsA single booking process that eliminates the need for multiple administrative steps, creating online accounts, and repeated payments.Comprehensive planning of the training schedule (online followed by in-person) from the outset, ensuring the availability of instructors and time slots, as well as the desired language.Educational continuity and smooth progressionA natural progression of skills: the skills learned during the Open Water course are immediately reinforced and expanded upon during the Advanced course.Less stress or loss of skill level between training sessions, as the learning curve remains constant.Motivation and Clear ObjectiveA long-term vision of their diving proficiency (autonomy at 30 meters) from the moment of enrollment, which strengthens commitment and personal satisfaction.Achieve the status of an accomplished diver more quickly, allowing you to participate in more challenging or remote dives without depth restrictions.

1. Why choose SSI training with us?Progress at your own pace, in complete safety. Learning to dive or advancing to the next level is a milestone. At Apo Dhatu Divers, we pride ourselves on offering personalized instruction based on hands-on experience and the joy of learning without stress.Free e-learning via MySSI: Study the theory at your own pace on your smartphone or computer before you leave.Small teaching groups: a maximum of 2 students per instructor for personalized instruction and undivided attention.International Recognition: Your SSI digital certifications are valid at dive centers around the world.2. Open Water + Advanced Open Water Training PackageCombining multiple courses offers several benefits:Financial SavingsThe total cost is lower than purchasing the two courses separately (discount on the application fee).Complete budget control for vacations or leisure projects, with no unpleasant pricing surprises during your trip.Time savings and simplified logisticsA single booking process that eliminates the need for multiple administrative steps, creating online accounts, and repeated payments.Comprehensive planning of the training schedule (online followed by in-person) from the outset, ensuring the availability of instructors and time slots, as well as the desired language.Educational continuity and smooth progressionA natural progression of skills: the reflexes acquired during the Open Water course are immediately reinforced and expanded upon during the Advanced course.Less stress or loss of skill level between training sessions, as the learning curve remains constant.Motivation and Clear ObjectiveA long-term vision of their diving proficiency (autonomy at 30 meters) from the moment of enrollment, which strengthens commitment and personal satisfaction.Achieve the status of an accomplished diver more quickly, allowing you to participate in more challenging or remote dives without depth restrictions.

Take your diving beyond the beginner level with the SSI Advanced Open Water Course in Koh Lanta. Designed for certified Open Water Divers, this course helps you build confidence, improve your underwater skills, and gain experience in a variety of diving environments while exploring some of the best dive sites in the Andaman Sea.Through a series of adventure dives, you will expand your diving knowledge and discover new underwater experiences such as deep diving, underwater navigation, buoyancy control, wreck diving, fish identification, and other specialty areas depending on conditions and your interests.Training is conducted in small groups with professional SSI instructors, allowing you to progress at your own pace while receiving personalized attention and guidance.

1. Why Take This Specialty Course?Take a fresh look at the mysterious depths of the ocean. There is something undeniably exhilarating about exploring the deeper parts of the reef. Unique marine life, stunning topographies, and famous dive sites like Hin Daeng and Hin Muang await in deeper waters. The SSI Deep Diving specialty provides you with the knowledge, skills, and practical experience to plan and execute dives safely down to a maximum depth of 40 meters (130 feet). Learn to manage your gas supply, recognize narcosis, and dive with complete confidence.Advanced Depth Limits: Expand your diving horizon safely from 30m up to a maximum limit of 40 meters.Gas & Narcosis Management: Understand the physical effects of depth, nitrogen narcosis recognition, and gas consumption planning.Specialized Deep Equipment: Learn to select and use specialized gear such as dive computers, drop tanks, and surface marker buoys (SMB).Open to Certified Divers: Requires prior open water diving certification and includes dedicated ocean training dives.2. Course Curriculum (1 day)The course combines interactive online learning on the MySSI app with pre-dive briefings and 2 dedicated open water deep dives at Koh Lanta’s premier deep sites.Key Topics Covered:Deep Dive Planning & Risk Management: Calculating surface intervals, gas consumption rates, and emergency procedures for deep profiles.Deep Water Physiology: Recognizing and responding to nitrogen narcosis, decompression sickness risks, and buoyancy control under high pressure.Navigation & Specialized Gear: Using SMBs, safety stops, specialized lighting, and computers for multi-level deep dive profiles.3. PrerequisitesAdvanced Open Water Diver certification (SSI or equivalent).Minimum Age: 15 years old.4. Your International CertificationAt the end of the course, you will earn your SSI Deep Diving Specialty Certification.Recognized worldwide.Counts directly toward your Master Scuba Diver rating or Specialty Diver levels SSI.5. Frequently Asked Questions (FAQ)What is the maximum depth I will reach during this course?During the specialty training, you will safely build up your experience and maximum depth to 40 meters (130 feet), which is the absolute limit for recreational diving.Can I combine the Deep Diving specialty with Enriched Air Nitrox?Absolutely! Combining Nitrox with Deep Diving is ideal, as Nitrox provides significantly more allowable bottom time at deeper depths like 20m to 30m.

1. Why Take This Specialty Course?Take a fresh look at the mysterious depths of the ocean. There is something undeniably exhilarating about exploring the deeper parts of the reef. Unique marine life, stunning topographies, and famous dive sites like Hin Daeng and Hin Muang await in deeper waters. The SSI Deep Diving specialty provides you with the knowledge, skills, and practical experience to plan and execute dives safely down to a maximum depth of 40 meters (130 feet). Learn to manage your gas supply, recognize narcosis, and dive with complete confidence.Advanced Depth Limits: Expand your diving horizon safely from 30m up to a maximum limit of 40 meters.Gas & Narcosis Management: Understand the physical effects of depth, nitrogen narcosis recognition, and gas consumption planning.Specialized Deep Equipment: Learn to select and use specialized gear such as dive computers, drop tanks, and surface marker buoys (SMB).Open to Certified Divers: Requires prior open water diving certification and includes dedicated ocean training dives.2. Course Curriculum (1 day)The course combines interactive online learning on the MySSI app with pre-dive briefings and 2 dedicated open water deep dives at Koh Lanta’s premier deep sites.Key Topics Covered:Deep Dive Planning & Risk Management: Calculating surface intervals, gas consumption rates, and emergency procedures for deep profiles.Deep Water Physiology: Recognizing and responding to nitrogen narcosis, decompression sickness risks, and buoyancy control under high pressure.Navigation & Specialized Gear: Using SMBs, safety stops, specialized lighting, and computers for multi-level deep dive profiles.3. PrerequisitesAdvanced Open Water Diver certification (SSI or equivalent).Minimum Age: 15 years old.4. Your International CertificationAt the end of the course, you will earn your SSI Deep Diving Specialty Certification.Recognized worldwide.Counts directly toward your Master Scuba Diver rating or Specialty Diver levels SSI.5. Frequently Asked Questions (FAQ)What is the maximum depth I will reach during this course?During the specialty training, you will safely build up your experience and maximum depth to 40 meters (130 feet), which is the absolute limit for recreational diving.Can I combine the Deep Diving specialty with Enriched Air Nitrox?Absolutely! Combining Nitrox with Deep Diving is ideal, as Nitrox provides significantly more allowable bottom time at deeper depths like 20m to 30m.

1. Why Take This Specialty Course?Take a fresh look at your underwater time limits. Imagine spending more time exploring deep reefs, enjoying longer encounters with marine life, and feeling less fatigued at the end of a full day of diving. The SSI Enriched Air Nitrox specialty is the most popular specialty course in the diving world for a reason. By increasing the percentage of oxygen in your scuba tank, you reduce nitrogen absorption, allowing you to safely extend your bottom times and make the absolute most of Koh Lanta’s world-class dive sites like Koh Haa, Hin Daeng, and Hin Muang.Extended Bottom Time: Stay down longer at deeper depths without exceeding your no-decompression limits.Shorter Surface Intervals: Enjoy greater flexibility and safety when planning multi-dive days.Gas Analysis & Safety: Learn to use an oxygen analyzer, label tanks correctly, and set your dive computer for Nitrox mixtures up to 40% O₂.Open to Certified Divers: Dry-classroom specialty option available or combined with ocean dives.2. Course Curriculum (1 day)The course combines interactive online learning on the MySSI app with a practical gas analysis workshop at the dive center with your instructor (with two ocean dives using Nitrox).???? Key Topics Covered:Physics & Physiology of Nitrox: Oxygen partial pressures, maximum operating depths (MOD), and managing oxygen exposure.Practical Gas Analysis: Hands-on experience analyzing your own tanks, logging mixes, and setting up dive computers.Dive Planning & Logistics: Calculating equivalent air depths (EAD) and optimizing dive profiles for Koh Lanta’s deep reef sites.3. PrerequisitesOpen Water Diver certification (SSI, PADI, or equivalent).Minimum Age: 10 years old.4. Your International CertificationDigital SSI Enriched Air Nitrox 32% or 40% certification recognized worldwide.Counts directly toward your SSI Specialty Diver, Advanced Open Water, or Master Diver ratings.5. Frequently Asked Questions (FAQ)Do I have to do ocean dives to complete this certification?No! Enriched Air Nitrox can be completed as a non-diving practical specialty at the dive center. However, we highly recommend adding optional Nitrox dives to experience the benefits firsthand.Is Nitrox meant for deep diving?While Nitrox gives you significantly more bottom time at mid-to-deep depths (15m to 30m), it actually reduces your maximum depth compared to air due to oxygen limits. You will learn how to calculate and respect your Maximum Operating Depth (MOD) during the course.

1. Why Take This Specialty Course?Take a fresh look at your underwater time limits. Imagine spending more time exploring deep reefs, enjoying longer encounters with marine life, and feeling less fatigued at the end of a full day of diving. The SSI Enriched Air Nitrox specialty is the most popular specialty course in the diving world for a reason. By increasing the percentage of oxygen in your scuba tank, you reduce nitrogen absorption, allowing you to safely extend your bottom times and make the absolute most of Koh Lanta’s world-class dive sites like Koh Haa, Hin Daeng, and Hin Muang.Extended Bottom Time: Stay down longer at deeper depths without exceeding your no-decompression limits.Shorter Surface Intervals: Enjoy greater flexibility and safety when planning multi-dive days.Gas Analysis & Safety: Learn to use an oxygen analyzer, label tanks correctly, and set your dive computer for Nitrox mixtures up to 40% O₂.Open to Certified Divers: Dry-classroom specialty option available or combined with ocean dives.2. Course Curriculum (1 day)The course combines interactive online learning on the MySSI app with a practical gas analysis workshop at the dive center with your instructor (with two ocean dives using Nitrox).???? Key Topics Covered:Physics & Physiology of Nitrox: Oxygen partial pressures, maximum operating depths (MOD), and managing oxygen exposure.Practical Gas Analysis: Hands-on experience analyzing your own tanks, logging mixes, and setting up dive computers.Dive Planning & Logistics: Calculating equivalent air depths (EAD) and optimizing dive profiles for Koh Lanta’s deep reef sites.3. PrerequisitesOpen Water Diver certification (SSI, PADI, or equivalent).Minimum Age: 10 years old.4. Your International CertificationDigital SSI Enriched Air Nitrox 40% certification recognized worldwide.Counts directly toward your SSI Specialty Diver, Advanced Open Water, or Master Diver ratings.5. Frequently Asked Questions (FAQ)Do I have to do ocean dives to complete this certification?No! Enriched Air Nitrox can be completed as a non-diving practical specialty at the dive center. However, we highly recommend adding optional Nitrox dives to experience the benefits firsthand.Is Nitrox meant for deep diving?While Nitrox gives you significantly more bottom time at mid-to-deep depths (15m to 30m), it actually reduces your maximum depth compared to air due to oxygen limits. You will learn how to calculate and respect your Maximum Operating Depth (MOD) during the course.

1. Why Take This Specialty Course?Take a fresh look at your underwater time limits. Imagine spending more time exploring deep reefs, enjoying longer encounters with marine life, and feeling less fatigued at the end of a full day of diving. The SSI Enriched Air Nitrox specialty is the most popular specialty course in the diving world for a reason. By increasing the percentage of oxygen in your scuba tank, you reduce nitrogen absorption, allowing you to safely extend your bottom times and make the absolute most of Koh Lanta’s world-class dive sites like Koh Haa, Hin Daeng, and Hin Muang.Extended Bottom Time: Stay down longer at deeper depths without exceeding your no-decompression limits.Shorter Surface Intervals: Enjoy greater flexibility and safety when planning multi-dive days.Open to Certified Divers: Dry-classroom specialty only.2. Course Curriculum (no diving)The course combines interactive online learning on the MySSI app.Key Topics Covered:Physics & Physiology of Nitrox: Oxygen partial pressures, maximum operating depths (MOD), and managing oxygen exposure.Dive Planning & Logistics: Calculating equivalent air depths (EAD) and optimizing dive profiles for Koh Lanta’s deep reef sites.3. PrerequisitesOpen Water Diver certification or equivalent.Minimum Age: 10 years old.4. Your International CertificationDigital SSI Enriched Air Nitrox 32% or 40% certification recognized worldwide.Counts directly toward your SSI Specialty Diver, Advanced Open Water, or Master Diver ratings.5. Frequently Asked Questions (FAQ)Do I have to do ocean dives to complete this certification?No! Enriched Air Nitrox can be completed as a non-diving practical specialty at the dive center. However, we highly recommend adding optional Nitrox dives to experience the benefits firsthand.Is Nitrox meant for deep diving?While Nitrox gives you significantly more bottom time at mid-to-deep depths (15m to 30m), it actually reduces your maximum depth compared to air due to oxygen limits. You will learn how to calculate and respect your Maximum Operating Depth (MOD) during the course.

1. Why Take This Specialty Course?Take a fresh look at your underwater time limits. Imagine spending more time exploring deep reefs, enjoying longer encounters with marine life, and feeling less fatigued at the end of a full day of diving. The SSI Enriched Air Nitrox specialty is the most popular specialty course in the diving world for a reason. By increasing the percentage of oxygen in your scuba tank, you reduce nitrogen absorption, allowing you to safely extend your bottom times and make the absolute most of Koh Lanta’s world-class dive sites like Koh Haa, Hin Daeng, and Hin Muang.Extended Bottom Time: Stay down longer at deeper depths without exceeding your no-decompression limits.Shorter Surface Intervals: Enjoy greater flexibility and safety when planning multi-dive days.Open to Certified Divers: Dry-classroom specialty only.2. Course CurriculumThe course combines interactive online learning on the MySSI app.Key Topics Covered:Physics & Physiology of Nitrox: Oxygen partial pressures, maximum operating depths (MOD), and managing oxygen exposure.Dive Planning & Logistics: Calculating equivalent air depths (EAD) and optimizing dive profiles for Koh Lanta’s deep reef sites.3. PrerequisitesOpen Water Diver certification or equivalent).Minimum Age: 10 years old.4. Your International CertificationDigital SSI Enriched Air Nitrox 32% or 40% certification recognized worldwide.Counts directly toward your SSI Specialty Diver, or Master Diver ratings.5. Frequently Asked Questions (FAQ)Do I have to do ocean dives to complete this certification?No! Enriched Air Nitrox can be completed as a non-diving practical specialty at the dive center.Is Nitrox meant for deep diving?While Nitrox gives you significantly more bottom time at mid-to-deep depths (15m to 30m), it actually reduces your maximum depth compared to air due to oxygen limits. You will learn how to calculate and respect your Maximum Operating Depth (MOD) during the course.

1. Why Take This Specialty Course?Take a fresh look at mastering weightlessness underwater. Perfect buoyancy is the secret skill that separates beginner divers from truly skilled and relaxed ocean explorers. The SSI Perfect Buoyancy specialty is designed to fine-tune your positioning in the water, optimize your weight distribution, and teach you how to hover effortlessly using only your breath. Mastering these techniques will dramatically lower your fatigue, extend your dive times by conserving air, and ensure you never accidentally damage Koh Lanta’s delicate coral reefs.Weight & Trim Optimization: Learn how to determine your exact required ballast and position weights for ideal horizontal body alignment.Fine-Tuned Lung Control: Master using your breathing as a primary buoyancy tool for precise depth control without touching your BCD.Efficient Propulsion Techniques: Practice relaxed finning techniques (like the frog kick) to glide smoothly without kicking up sand or disturbing marine life.Open to Certified Divers: Includes practical buoyancy workshops and dedicated ocean training dives.2. Course Curriculum (1 day, 2 Local Dives)The course combines interactive online learning on the MySSI app with practical weight checks and 2 dedicated open water buoyancy dives around Koh Lanta’s reef sites (such as Koh Haa or Koh Bida).???? Key Topics Covered:Buoyancy Physics & Physiology: Understanding buoyancy forces, lung volume dynamics, and equipment trim principles.Proper Weighting & Gear Streamlining: Customizing your weight system, cylinder positioning, and hose routing for minimum drag.Advanced Buoyancy & Hovering Skills: Inverted hovering, breath control exercises, and obstacle navigation around fragile marine structures.3. PrerequisitesOpen Water Diver certification (SSI, PADI, or equivalent).Minimum Age: 10 years old.4. Your International CertificationAt the end of the course, you will earn your SSI Perfect Buoyancy Specialty Certification.Digital SSI Perfect Buoyancy certification recognized worldwide.Counts directly toward your Master Scuba Diver rating or the SSI Advanced Open Water / Specialty Diver levels SSI.5. Frequently Asked Questions (FAQ)Will this course really help me reduce my air consumption?Yes! Poor buoyancy control causes constant physical effort and irregular breathing, which drains your tank fast. Once you achieve neutral buoyancy and streamlined trim, your air consumption will naturally decrease.Is this specialty suitable if I struggle with buoyancy during my dives?It is specifically designed for you! This course provides a calm, supportive environment with tailored instructor coaching to resolve weighting issues and build your confidence.

1. Why Take This Specialty Course?Take a fresh look at safety by becoming a self-sufficient and proactive diver. Most divers agree that the SSI Diver Stress & Rescue specialty is both the most challenging and the most rewarding course they have ever taken. Beyond basic diving skills, this course transforms how you view every dive. You will learn to spot early signs of physical and psychological stress before they turn into problems, master self-rescue techniques, and build the hands-on skills needed to respond calmly and effectively to any diving emergency.Stress Prevention & Recognition: Learn to identify panic, fatigue, and equipment issues in yourself and your dive buddy before entering the water.Self-Rescue & Buddy Assistance: Practice techniques for handling cramps, air out situations, entanglement, and panic management at depth and on the surface.Emergency Management & Search: Master search patterns for missing divers, underwater navigation during emergencies, and surface towing methods.Open to Certified Divers: Essential step for any diver wishing to build real independence, leadership, and safety awareness.2. Course Curriculum (4 days)The course combines interactive online learning on the MySSI app with practical pool/confined water workshops and open water scenario evaluations around Koh Lanta’s dive sites:Key Topics Covered:Understanding & Managing Stress: Causes of stress in diving, psychological factors, equipment preparation, and preventing panic.Rescue Techniques & Scene Management: In-water search patterns, assisting conscious and unconscious divers, surface transport, and boat exit protocols.Realistic Emergency Scenarios: Hands-on practice putting your assessment, rescue, first aid, and oxygen delivery skills together in real-time scenarios.3. PrerequisitesOpen Water Diver certification (SSI, PADI, or equivalent) and valid React Right First Aid (or equivalent CPR/First Aid/O2) certification within the last 2 years.Minimum Age: 12 years old.4. Your International CertificationAt the end of the course, you will earn your SSI Diver Stress & Rescue Specialty Certification.Digital SSI Diver Stress & Rescue certification recognized worldwide.Mandatory prerequisite for SSI Master Diver and professional-level ratings like Divemaster.5. Frequently Asked Questions (FAQ)Is this course physically demanding?While it involves physical practice such as surface towing and lifting divers onto a boat, the focus is primarily on technique, problem-solving, and efficient body positioning rather than sheer strength.What if my First Aid / CPR certification has expired?No problem! We can easily combine the SSI React Right course with your Diver Stress & Rescue training right here at our center before you start your rescue scenarios.

1. Why Take This Specialty Course?Take a fresh look at safety by becoming a self-sufficient and proactive diver. Most divers agree that the SSI Diver Stress & Rescue specialty is both the most challenging and the most rewarding course they have ever taken. Beyond basic diving skills, this course transforms how you view every dive. You will learn to spot early signs of physical and psychological stress before they turn into problems, master self-rescue techniques, and build the hands-on skills needed to respond calmly and effectively to any diving emergency.Stress Prevention & Recognition: Learn to identify panic, fatigue, and equipment issues in yourself and your dive buddy before entering the water.Self-Rescue & Buddy Assistance: Practice techniques for handling cramps, air out situations, entanglement, and panic management at depth and on the surface.Emergency Management & Search: Master search patterns for missing divers, underwater navigation during emergencies, and surface towing methods.Open to Certified Divers: Essential step for any diver wishing to build real independence, leadership, and safety awareness.2. Course Curriculum (4 days)The course combines interactive online learning on the MySSI app with practical pool/confined water workshops and open water scenario evaluations around Koh Lanta’s dive sites:Key Topics Covered:Understanding & Managing Stress: Causes of stress in diving, psychological factors, equipment preparation, and preventing panic.Rescue Techniques & Scene Management: In-water search patterns, assisting conscious and unconscious divers, surface transport, and boat exit protocols.Realistic Emergency Scenarios: Hands-on practice putting your assessment, rescue, first aid, and oxygen delivery skills together in real-time scenarios.3. PrerequisitesOpen Water Diver certification (SSI, PADI, or equivalent) and valid React Right First Aid (or equivalent CPR/First Aid/O2) certification within the last 2 years.Minimum Age: 12 years old.4. Your International CertificationAt the end of the course, you will earn your SSI Diver Stress & Rescue Specialty Certification.Digital SSI Diver Stress & Rescue certification recognized worldwide.Mandatory prerequisite for SSI Master Diver and professional-level ratings like Divemaster.5. Frequently Asked Questions (FAQ)Is this course physically demanding?While it involves physical practice such as surface towing and lifting divers onto a boat, the focus is primarily on technique, problem-solving, and efficient body positioning rather than sheer strength.What if my First Aid / CPR certification has expired?No problem! We can easily combine the SSI React Right course with your Diver Stress & Rescue training right here at our center before you start your rescue scenarios.

1. Why choose SSI training with us?Progress at your own pace, in complete safety. Learning to dive or advancing to the next level is a milestone. At Apo Dhatu Divers, we make it a point of honor to offer personalized instruction based on hands-on experience and the joy of learning without stress.Free e-learning via MySSI: Study the theory at your own pace on your smartphone or computer before you leave.Small teaching group: a maximum of 2 students per instructor for personalized instruction and undivided attention.International Recognition: Your SSI digital certifications are valid at dive centers worldwide.2. Open Water + Advanced Open Water Training PackageCombining multiple courses offers several advantages:Financial SavingsThe total cost is lower than purchasing the two courses separately (discount on the application fee).Complete budget control for vacations or leisure projects, with no unpleasant pricing surprises during your trip.Time savings and simplified logisticsA single booking process that eliminates the need for multiple administrative steps, creating online accounts, and repeated payments.Comprehensive planning of the training schedule (online followed by in-person) from the outset, ensuring the availability of instructors and time slots, as well as the desired language.Educational continuity and smooth progressionA natural progression of skills: the skills learned during the Open Water course are immediately reinforced and expanded upon during the Advanced course.Less stress or loss of skill level between training sessions, as the learning curve remains constant.Motivation and Clear ObjectiveA long-term vision of their diving proficiency (autonomy at 30 meters) from the moment of enrollment, which strengthens commitment and personal satisfaction.Achieve the status of an accomplished diver more quickly, allowing you to participate in more challenging or remote dives without depth restrictions.

1. Why choose SSI training with us?Progress at your own pace, in complete safety. Learning to dive or advancing to the next level is a milestone. At Apo Dhatu Divers, we pride ourselves on offering personalized instruction based on hands-on experience and the joy of learning without stress.Free e-learning via MySSI: Study the theory at your own pace on your smartphone or computer before you leave.Small teaching groups: a maximum of 2 students per instructor for personalized instruction and undivided attention.International Recognition: Your SSI digital certifications are valid at dive centers around the world.2. Open Water + Advanced Open Water Training PackageCombining multiple courses offers several benefits:Financial SavingsThe total cost is lower than purchasing the two courses separately (discount on the application fee).Complete budget control for vacations or leisure projects, with no unpleasant pricing surprises during your trip.Time savings and simplified logisticsA single booking process that eliminates the need for multiple administrative steps, creating online accounts, and repeated payments.Comprehensive planning of the training schedule (online followed by in-person) from the outset, ensuring the availability of instructors and time slots, as well as the desired language.Educational continuity and smooth progressionA natural progression of skills: the reflexes acquired during the Open Water course are immediately reinforced and expanded upon during the Advanced course.Less stress or loss of skill level between training sessions, as the learning curve remains constant.Motivation and Clear ObjectiveA long-term vision of their diving proficiency (autonomy at 30 meters) from the moment of enrollment, which strengthens commitment and personal satisfaction.Achieve the status of an accomplished diver more quickly, allowing you to participate in more challenging or remote dives without depth restrictions.

The Koh Haa Yai islands (literally Five Islands & The Big One) are located about 30 minutes by speedboat from our office at Lanta Castaway Resort, and are home to some of the healthiest and abundant marine life anywhere in Thailand. With 12+ dive sites, these islands are suitable to both experienced and beginner level divers and offer a wonderful diversity of marine creatures.

Ko Haa Scuba Diving Highlights Ko Haa, located within a protected marine park, is one of Thailand’s premier scuba diving destinations. Comprising six uninhabited limestone islets, Ko Haa offers a range of underwater experiences—from relaxed lagoon dives to thrilling cavern explorations—making it perfect for both beginners and experienced divers. Top Dive Sites The Chimney A narrow vertical swim-through resembling a chimney, this site offers a fun and unique diving experience. As you ascend or descend through the passage, you’ll be surrounded by vibrant corals and schooling fish. The Lagoon A shallow, crystal-clear lagoon encircled by towering limestone cliffs. Ideal for snorkeling and beginner divers, thanks to its calm waters and gentle depth. The Cathedral A breathtaking cavern with high ceilings and intricate rock formations. Sunlight often streams through the entrance, creating a dramatic, almost spiritual underwater scene—popular among photographers and cave diving enthusiasts. Other Dive Features Underwater Pinnacles Towering rock spires that rise from the seabed, offering habitats for a variety of marine species and great visibility for observation. Drop-Offs and Walls Sheer underwater cliffs that plunge into deeper water, home to schools of fish, pelagics, and colorful soft corals. Boulders and Caverns Massive rock structures and interconnected chambers provide exciting routes for exploration. Swim-Throughs Natural underwater tunnels and arches that add an adventurous element to your dives. Marine Life at Ko Haa The waters around Ko Haa are teeming with marine biodiversity. Common sightings include: Barracudas – Sleek, fast-moving predators often seen in schools. Ghost Pipefish and Pipefish – Masters of camouflage, blending perfectly into the reef. Turtles – Frequently spotted grazing on seagrass or cruising by divers. Pufferfish and Porcupinefish – Known for their ability to inflate when threatened. Harlequin Shrimps – Small, vividly colored crustaceans with striking patterns. Nudibranchs and Sea Moths – Colorful, exotic, and a delight for macro photographers. Scorpionfish and Lionfish – Venomous and well-camouflaged ambush predators. Occasional Visitors – Whale sharks and manta rays, often seen during the right season. Why Dive Ko Haa? With water visibility often exceeding 20 meters, Ko Haa offers exceptional diving conditions almost year-round. Dive depths range from 3 to 50 meters, making it suitable for all skill levels. The journey from Ko Lanta takes around 1 hour and 45 minutes by boat—just enough time for breakfast and a detailed dive briefing. Whether you're exploring dramatic caverns, floating through tranquil lagoons, or searching for rare critters, Ko Haa delivers a rich and unforgettable underwater adventure.

Koh Ha, Hin Muang, Hin Daeng, and Phi Phi IslandsSOUTH ANDAMAN ROUTEKoh Ha, Hin Muang, Hin Daeng, and Phi Phi IslandsOctober 21-26, 2026⛴️ MV SUMMERSouthern Andaman Trip ScheduleOctober 2117:00 Depart by plane to Phuket(Recommended flights before 5:30 PM)19:00 Depart by van to the pier(You should arrive in Phuket no later than 7:30 PM.)21:00 The boat departs.October 228:00 Dive 1 11:00 Dive 214:00 Dive 318:30 Night Dive #4October 238:00 Dive 111:00 Dive 214:00 Dive 3 18:30 Night Dive #4October 248:00 Dive 111:00 Dive 2 14:00 Dive 318:30 Dive 4 October 258:00 Dive 111:00 Dive 2 14:00 Dive 3 Return to the pier and rest on the boat.October 26Traveling by plane back to Bangkok(Recommended flights: 12:00 p.m. onwards)Dive sites are subject to change.As appropriate, according to weather conditions, waves, and wind. For everyone's safety, please...

Southern Andaman 15 Dives: Koh Haa - Hin Muang - Hin Daeng - Koh Lipe Arrive at Phuket Airport before 19:00. Book return flights after 11:00. 5 days 4 nights Live aboard South Andaman 15 Dives Route: Koh Haa - Hin Muang - Hin Dang - Koh Lipe Arrive PHUKET before 19.00 hrs. Return flight after 11.00 hrs. 5 Days 4 Nights

Exceptional Dives on Thailand’s Most Stunning ReefsWhether you’re a newly certified diver or a seasoned underwater explorer, Koh Lanta offers quick access to world-renowned dive sites.At Apo Dhatu Divers, we run full-day trips on fully-equipped, comfortable boats to help you discover the wonders of the Mu Koh Lanta and Koh Phi Phi marine national parks. Enjoy seamless logistics and personalized guiding for completely stress-free diving.Must-Dive Sites Departing from Koh LantaKoh Haa (The Five Islands) Crystal-clear waters featuring stunning light-filled caverns (The Cathedral), dramatic swim-throughs, and gentle lagoons perfect for both divers and snorkelers.Koh Bida (Bida Nai & Bida Nok) Located near Koh Phi Phi, these iconic limestone islands are teeming with colorful reef life, sea turtles, sea snakes, and blacktip reef sharks.Hin Bida, located between Koh Lanta and Koh Phi Phi, is a hidden gem famous for its shallow reef system and dramatic underwater topography. Often referred to as "Leopard Shark Reef," this site offers an exceptional chance to encounter resting leopard sharks on the sandy bottom, alongside schools of snapper, cuttlefish, and vibrant soft corals. With its gentle currents and shallow depth, Hin Bida provides an unforgettable, relaxed dive experience accessible to certified divers of all experience levelsKoh Phi Phi (Palong & Malong) Sheltered reef sites renowned for consistent turtle sightings, harmless reef sharks, and lush underwater sceneryThe Kled Gaeow Wreck (Kled Kaew) Immerse yourself in history and marine life on Koh Lanta’s premier wreck dive! Commissioned by the Royal Thai Navy and deliberately sunk in 2014 to create a thriving artificial reef, the Kled Gaeow is a 47-meter-long gunboat resting upright at a depth of 26 meters. Now covered in soft corals, the wreck has transformed into a bustling underwater metropolis. As you glide along the deck and towering wheelhouse, expect to be surrounded by massive schools of yellowtail barracudas, fusiliers, resident giant groupers, and curious lionfish. With its ideal depth and structure, the Kled Gaeow offers an exhilarating adventure for Advanced Open Water divers and wreck enthusiasts looking for a memorable dive off Koh LantaWhy Choose Apo Dhatu DiversSafety & Small Groups Usually 2 divers per guide and maximum of 4 divers to ensure your freedom, enhance safety, and protect the fragile marine environment.French-Speaking Guides Detailed briefings in your native language and attentive, caring support underwater.All-Inclusive Comfort Round-trip hotel transfer included (a small surcharge may apply for remote locations).Fully Catered on Board Breakfast, a hot cooked lunch (dietary options available), delicious snacks, refreshing drinks, and fresh tropical fruit.Complete Gear Included Top-tier, regularly serviced dive equipment provided for maximum safety.Dive Computer Provided Personal dive computer included for optimal profile tracking and safety.Insurance Included Complimentary coverage for the entire duration of your activity.Share the Same Ocean Day at Your Own Pace! Traveling together with different interests? No problem at all! You can both join the exact same boat trip. While one explores the depths on a dive, the other can snorkel the reef or relax on deck as a passenger. You can even swap roles during the day with our switcher option!