Night Diving & Limited Visibility Course

Our SSI Open Water Diver Course is designed to be fun, supportive, and confidence-building, giving you everything you need to safely explore the underwater world.A $50 deposit secures your spot, and classes are kept small—so reserving early is the best way to guarantee your place.Your Course ScheduleClassroom (6:00 – 8:30 p.m.) August 18,20,25,& 27Pool Sessions (9:00 a.m. – 2:00 p.m.): August 22 & 23Ocean Training – Ocean Monterey August 29 & 30Complete your certification with an unforgettable weekend that includes:4 open water dives1 snorkel divePlus, you’ll receive a FREE Dive Computer Class (a $125 value) to help you dive with confidence.Course PricingCourse Fee: $398 (Includes classroom instruction, pool sessions, and instructor-led open water dives)Personal Gear Package (required): $289 – $499 (Mask, snorkel, fins, boots, gloves & cutting devices)Plus mouthpieces for regulators. ➤ Receive a $100 rebate when gear is purchased through High Sierra Divers.Digital Learning Materials: $159.99 Normally $180.99 (SSI digital book, dive tables, certification card, and logbook)Rental Gear for Open Water Dives: Special rental rate when you purchase your basic gear for HSD.We provide all scuba gear for pool sessions, and rental gear is available for your ocean dives.Why Choose Us?✔ Small class sizes for personalized instruction ✔ Experienced, professional instructors ✔ Focus on safety, confidence, and enjoyment ✔ Ongoing support—even after certificationAdditional InformationMinimum age: 12 years and olderCourse duration: Approximately 2 weeksSmall group instruction focused on safety and confidenceReady to Get Started?Create your SSI Diver profile and connect with us here: https://www.divessi.com/en/homeOr simply reply to this email, call, or stop by the shop—we’ll take care of the rest.This is more than just a class—it’s the beginning of a lifetime of adventure. Don’t wait too long… spots fill quickly, and we’d love to see you in this upcoming session!Best regards, Doug & Tina

If you're looking to get out and enjoy a fantastic day of diving, the Beachhopper is an excellent choice. This two-tank dive trip inside the bay is perfect for gaining experience, enjoying local marine life, and spending more time underwater.To make the most of this adventure, we highly recommend earning your Boat Diver and Deep Diver specialty certifications. These courses provide valuable skills that increase your comfort, confidence, and safety while diving from boats and exploring deeper dive sites.Not only will these certifications enhance your experience on trips like the Beachhopper, but they will also prepare you for dive travel around the world. As a more skilled and confident diver, you'll have access to a wider range of dive sites and be ready to fully enjoy every underwater adventure.Expand your skills, increase your confidence, and unlock new diving opportunities—your next adventure awaits! ????????

Course TopicsThis program provides an introduction to several key diving specialties, including:Natural and Compass NavigationNaturalist / Ecology DivingComputer DivingBoat Diving ProceduresNight DivingDeep DivingReview of Hyperbaric Injuries (causes, treatment, and prevention)Orientation to New Dive SitesTwo-Tank Boat DiveClass IncludesOne evening lecture: October 14, 2026 (6:00 PM – 9:00 PM)One weekend of open water training: October 23 & 24, 2026Five open water divesWritten examinationPrerequisitesOpen Water certification (from any recognized agency)Minimum age of 12 yearsStudents must provide full open water scuba equipment, including: compass, dive computer, alternate air source, underwater light, dive knife, glow stick, slate, dive tables, and logbookCourse FeesCourse Tuition: $225.00Boat Trip: $140.00Certification Card (hard copy): $25.00Required Digital Learning Kit: $129.99 (Includes Boat, Perfect Buoyancy, Deep, Night, and Navigation modules, along with a digital certification card and logbook.)

The 37m Thailand Master is a purpose-built sailing liveaboard designed by divers, for divers. Accommodating up to 18 guests in 7 air-conditioned cabins, it offers comfortable en-suite bathrooms with hot water, fresh towels, and storage space. Laid out to maximize comfort and functionality, Thailand Master provides the perfect balance between relaxation and serious diving adventure.Guests can unwind on the sundeck lounges or enjoy meals in the indoor and outdoor dining areas, where meals are served buffet-style with vegetarian and other dietary options available. Between dives, relax with a book from the onboard library—ideal for identifying marine life spotted underwater—or enjoy movies and games in a welcoming social atmosphere designed for like-minded divers.The shaded dive deck offers personal setup areas, dedicated storage, and nitrox refills. Rental equipment is available, and a diving tender ensures easy access to sites. Itineraries explore Thailand’s top dive destinations, including Koh Bon, Koh Tachai, Richelieu Rock, Koh Phi Phi, King Cruiser, Hin Muang, and Hin Daeng. From December to April, the Thailand Master also ventures into Myanmar’s spectacular Mergui Archipelago, visiting renowned sites such as Black Rock, High Rock, Tower Rock, and Torres Island.Best marine life in ThailandThailand is renowned for warm tropical waters and vibrant coral reefs playing host to a wide variety of marine life.The country’s most famous visitors are Manta Rays & Whalesharks, which can be seen on both coasts if you are lucky. The dive spots most renowned for sightings are Richeleu Rock - just north of the Similan islands, Hin Daeng & Hin Muang in the Southern Andaman & Chumpon Pinnacle in the Gulf.Leopard Sharks are another sought after encounter, found most commonly on the dive sites around Koh Phi Phi and Phuket. These elegant, bottom dwelling sharks are at their graceful best if you are fortunate enough to see them swimming.Turtles are found on both coasts of Thailand, although more regularly on the Andaman coast. Green and Hawksbill Turtles are the most common species seen.Thailand’s dive sites also play host to a wide variety of smaller marine life, including some very special finds. Octopus and Cuttlefish are regularly seen, while Seahorses, Ghost Pipefish and Harlequin Shrimps are delights for the eagle-eyed diver. Scorpionfish, Lionfish, Glassfish and Snapper are just a few of the other fish you might encounter while diving in Thailand.When is the best time to dive in Thailand?Thailand’s east and west coasts ensure that there are good diving possibilities throughout the year. When the seasonal monsoons affect one coast, the other normally has good diving conditions.On Thailand’s Andaman coast the best diving season is from November through to late April or early May. The wind direction during these months brings calm sea conditions and also the best weather. As the high season on the Andaman coast develops, humidity tends to increase ,but diving conditions remain excellent and sea temperatures are also at their warmest, sometimes in excess of 85 degrees Fahrenheit.Trip Requirements :To ensure everyone enjoys the diving safely, participants must have:Minimum 25 logged divesAdvanced Open Water Diver certificationNitrox (Enriched Air) certificationCome experience Thailand's incredible underwater world with High Sierra Divers and create memories that will last a lifetime!

Take Your Diving to the Next LevelReady to explore beyond the limits of recreational open water diving? The SSI Deep Diving Specialty prepares you to safely and confidently dive to depths between 18 and 40 meters (60–130 feet) through a combination of engaging classroom sessions and exciting open water dives.During this course, you'll learn how to safely plan and conduct deep dives while gaining a better understanding of the unique challenges that come with greater depths. You'll master dive planning, gas management, dive computer usage, and air consumption calculations to maximize your bottom time while maintaining safe diving practices.Upon successful completion, you'll earn your SSI Deep Diving Specialty certification, allowing you to explore incredible deep dive sites around the world. This specialty is also a prerequisite for several advanced SSI programs, making it the perfect next step in your continuing dive education.Course ScheduleYour training includes three open water deep dives:One shore dive to practice deep diving skills and procedures.Two boat dives aboard the Beachhopper, where we'll typically dive to 80 feet or deeper (conditions permitting).Beachhopper Boat Fee: $140 for the two-tank dive (paid separately).What You'll LearnThroughout the course, you'll gain the knowledge and confidence to safely enjoy deeper diving adventures, including:Planning and conducting deep dives safelyUnderstanding the effects of increased pressure on the bodyPreventing and recognizing nitrogen narcosisUnderstanding decompression sickness and safe ascent proceduresAdvanced gas management and air consumption planningProper use of dive computers for deep divingEquipment considerations, including redundant air sources such as pony bottlesEmergency procedures specific to deep divingWhy Become an SSI Deep Diver?Deep diving opens the door to an entirely new world beneath the surface. Many of the most spectacular wrecks, reefs, walls, and marine life encounters are found beyond the standard Open Water depth limits.This course will help you:Build confidence diving to greater depths.Improve your dive planning and decision-making skills.Increase your understanding of diving physiology and safety.Expand the variety of dive sites you can safely explore around the world.Prepare for additional SSI Advanced Specialty courses.Whether you're planning your next tropical vacation, exploring California's incredible underwater landscapes, or simply looking to become a more skilled and confident diver, the SSI Deep Diving Specialty is an exciting step toward becoming a more experienced diver.Are you ready to discover what lies deeper? Join High Sierra Divers and take your underwater adventures to the next level!

Boat DivingThe ocean is filled with dive sites, but many of the best ones can only be accessed by boat. If you want to discover these incredible dive sites, become an SSI boat diver. It is the best way to learn how to dive from different types of boats safely and with confidence. As a boat diver, you will be able to explore offshore dive sites that attract schooling pelagics and marine megafauna not found closer to shore. You can experience the excitement of liveaboard diving anywhere in the world, fill your day with diving away from the crowds, and cruise along as the sun goes down. Using online training and open water diving sessions, the SSI Boat Diving Specialty program is the best way to learn. This program teaches you all the skills and techniques you need to dive safely and comfortably from boats, including small personal craft and liveaboards. Earn your SSI Boat Diving Specialty certification. Get started today. High Sierra Diver 530-823-6757The Fun PartDiving from a boat is fun, especially when you look at ease when maneuvering around on it. It’s fun to know what you’re doing.What You LearnLearn the tips, tricks, and ways to:Dive from boats ranging from small inflatables to giant liveaboardsHow do they differ from place to placeGain experience and training from diving on boats in your local areaSafely enter and exit the waterSometimes it’s better to hand your gear up to the crew and then climb into the boatSometimes you just take off your fins and weights and walk up the ladderStow your gear in the most appropriate areasUse surface lines to initiate or conclude your dives.Locate basic boat safety equipment

SSI Night Diving & Limited Visibility SpecialtyExperience the underwater world in a whole new light... after the sun goes down!Night diving transforms familiar dive sites into completely different environments. As daylight fades, nocturnal marine life emerges, colors come alive under your dive light, and every dive becomes an unforgettable adventure.The SSI Night Diving & Limited Visibility Specialty teaches you the knowledge and skills to safely and confidently dive in darkness or low-visibility conditions. You'll learn specialized techniques that allow you to communicate effectively with your buddy, navigate with confidence, and enjoy the excitement of exploring beneath the surface after sunset.During this course you will learn:Proper night dive planning and preparationSafe entry and exit techniquesDive light selection and proper useUnderwater light communication signalsNavigation in darkness and limited visibilityBuddy awareness and emergency proceduresHow to identify and observe nocturnal marine lifeYour training includes online academic learning followed by open water training dives where you'll put your new skills into practice with an SSI Professional by your side.Upon successful completion of the course, you'll earn your SSI Night Diving & Limited Visibility Specialty certification, opening the door to exciting new dive adventures around the world. Whether you're exploring California's kelp forests after dark or experiencing a tropical reef at night, you'll have the confidence and skills to dive safely and comfortably.Discover a side of the underwater world that most divers never see. The adventure begins when the sun goes down!

SSI Underwater Navigation SpecialtyBecome the diver everyone wants to follow with the confidence and skills to always know where you are—and where you're going. The SSI Underwater Navigation Specialty is designed to sharpen your underwater awareness and teach you the techniques needed to navigate with precision using both natural references and a compass.Whether you're exploring a new dive site, leading a buddy team, or diving in limited visibility, strong navigation skills are essential for safe and enjoyable diving. This course combines classroom instruction with practical open water training to help you develop confidence and accuracy in underwater navigation.What You'll LearnProper use of an underwater compassNatural navigation techniques using depth, time, bottom contours, sunlight, and underwater landmarksNavigation patterns including square, triangle, reciprocal, and out-and-back coursesReading and interpreting underwater maps and dive site sketchesPlanning and safely executing underwater navigation divesImproving situational awareness and underwater confidenceBy the end of the course, you'll be able to confidently navigate unfamiliar dive sites, return to your exit point with ease, and lead dives with greater precision. These valuable skills will make every dive safer, more enjoyable, and more rewarding.Upon successful completion, you will earn your SSI Underwater Navigation Specialty certification, giving you the confidence to explore new underwater environments anywhere in the world.

The SSI Deep Diving Specialty will teach you all you need to dive to depths between 18 and 40 meters, through a mixture of academic sessions and open water dives. You will learn to plan and safely complete your deep diving adventures and use computers and gas consumption calculations to get the most from your deep dives. Upon completion, you will earn your SSI Deep Diving Specialty certification and be able to explore beautiful deep dive sites wherever you choose. This SSI Specialty is also a prerequisite for some advanced training, making it the next logical step to take in your dive education.he ocean is filled with dive sites, but many of the best ones can only be accessed by boat. If you want to discover these incredible dive sites, become an SSI boat diver. It is the best way to learn how to dive from different types of boats safely and with confidence.As a boat diver, you will be able to explore offshore dive sites that attract schooling pelagics and marine megafauna not found closer to shore. You can experience the excitement of liveaboard diving anywhere in the world, fill your day with diving away from the crowds, and cruise along as the sun goes down. Using online training and open water diving sessions, the SSI Boat Diving Specialty program is the best way to learn.This program teaches you all the skills and techniques you need to dive safely and comfortably from boats, including small personal craft and liveaboards. Earn your SSI Boat Diving Specialty certification. Get started today.

he SSI Drysuit Diving Specialty course is a 1-day course that consists of academic sessions, pool work, and open water dives. The academic sessions will cover the theory of drysuit diving, including the physics of Boyle's Law and its implications for diving at altitude. You will also learn about the different types of drysuits and how to choose the right one for you.The pool work will give you a chance to practice using your drysuit in a controlled environment. You will learn how to don and doff your drysuit, as well as how to perform basic buoyancy control skills. You will also practice emergency procedures, such as how to deal with an air leak.The open water dives will allow you to put your new skills to the test in a real-world environment. You will conduct two open water dives (in a lake) using your drysuit, under the supervision of a qualified instructor.Who should take this course?The SSI Drysuit Diving Specialty course is a great option for any certified diver who wants to learn how to dive in a drysuit. This course is especially beneficial for divers who plan to dive in cold water or at altitude.What are the prerequisites for this course?To take the SSI Drysuit Diving Specialty course, you must be a certified Open Water Diver. You must also be at least 10 years old.What will I learn in this course?In the SSI Drysuit Diving Specialty course, you will learn:The benefits and limitations of drysuits compared to wetsuitsHow a drysuit worksThe physics of drysuit divingBuoyancy control and trim in a drysuitEmergency procedures specific to drysuit divingHow to care for your drysuitWhat will I earn after completing this course?After successfully completing the SSI Drysuit Diving Specialty course, you will earn the SSI Drysuit Diving Specialty certification. This certification will allow you to rent or purchase a drysuit and dive in cold water.

Boat DivingThe ocean is filled with dive sites, but many of the best ones can only be accessed by boat. If you want to discover these incredible dive sites, become an SSI boat diver. It is the best way to learn how to dive from different types of boats safely and with confidence. As a boat diver, you will be able to explore offshore dive sites that attract schooling pelagics and marine megafauna not found closer to shore. You can experience the excitement of liveaboard diving anywhere in the world, fill your day with diving away from the crowds, and cruise along as the sun goes down. Using online training and open water diving sessions, the SSI Boat Diving Specialty program is the best way to learn. This program teaches you all the skills and techniques you need to dive safely and comfortably from boats, including small personal craft and liveaboards. Earn your SSI Boat Diving Specialty certification. Get started today. High Sierra Diver 530-823-6757The Fun PartDiving from a boat is fun, especially when you look at ease when maneuvering around on it. It’s fun to know what you’re doing.What You LearnLearn the tips, tricks, and ways to:Dive from boats ranging from small inflatables to giant liveaboardsHow do they differ from place to placeGain experience and training from diving on boats in your local areaSafely enter and exit the waterSometimes it’s better to hand your gear up to the crew and then climb into the boatSometimes you just take off your fins and weights and walk up the ladderStow your gear in the most appropriate areasUse surface lines to initiate or conclude your dives.Locate basic boat safety equipmentTution of class is $125. plus book/ boat fee

In this specialty program, you will gain the advanced skills and knowledge you need to safely and confidently navigate underwater. You will learn how to use a compass and natural navigation techniques, estimate distance, how to leave and return to a designated point, plus basic navigation patterns. You will also be taught how to combine navigation techniques to enhance your diving experience. All of which hones your underwater observation skills, improves your dive safety and helps you to get the most out of every dive. Upon completion, you will earn the SSI Navigation Specialty certification.

SSI Deep Diving SpecialtyTake Your Diving to the Next LevelReady to explore beyond the limits of recreational open water diving? The SSI Deep Diving Specialty prepares you to safely and confidently dive to depths between 18 and 40 meters (60–130 feet) through a combination of engaging classroom sessions and exciting open water dives.During this course, you'll learn how to safely plan and conduct deep dives while gaining a better understanding of the unique challenges that come with greater depths. You'll master dive planning, gas management, dive computer usage, and air consumption calculations to maximize your bottom time while maintaining safe diving practices.Upon successful completion, you'll earn your SSI Deep Diving Specialty certification, allowing you to explore incredible deep dive sites around the world. This specialty is also a prerequisite for several advanced SSI programs, making it the perfect next step in your continuing dive education.Course ScheduleYour training includes three open water deep dives:One shore dive to practice deep diving skills and procedures.Two boat dives aboard the Beachhopper, where we'll typically dive to 80 feet or deeper (conditions permitting).Beachhopper Boat Fee: $140 for the two-tank dive (paid separately).What You'll LearnThroughout the course, you'll gain the knowledge and confidence to safely enjoy deeper diving adventures, including:Planning and conducting deep dives safelyUnderstanding the effects of increased pressure on the bodyPreventing and recognizing nitrogen narcosisUnderstanding decompression sickness and safe ascent proceduresAdvanced gas management and air consumption planningProper use of dive computers for deep divingEquipment considerations, including redundant air sources such as pony bottlesEmergency procedures specific to deep divingWhy Become an SSI Deep Diver?Deep diving opens the door to an entirely new world beneath the surface. Many of the most spectacular wrecks, reefs, walls, and marine life encounters are found beyond the standard Open Water depth limits.This course will help you:Build confidence diving to greater depths.Improve your dive planning and decision-making skills.Increase your understanding of diving physiology and safety.Expand the variety of dive sites you can safely explore around the world.Prepare for additional SSI Advanced Specialty courses.Whether you're planning your next tropical vacation, exploring California's incredible underwater landscapes, or simply looking to become a more skilled and confident diver, the SSI Deep Diving Specialty is an exciting step toward becoming a more experienced diver.Are you ready to discover what lies deeper? Join High Sierra Divers and take your underwater adventures to the next level!

You’re just one step away from becoming a certified diver—and we’d love to have you join us!Our SSI Open Water Diver Course is designed to be fun, supportive, and confidence-building, giving you everything you need to safely explore the underwater world.A $50 deposit secures your spot, and classes are kept small—so reserving early is the best way to guarantee your place.Your Course ScheduleClassroom (6:00 – 8:30 p.m.)Sept 15,17,22, & 24Pool Sessions (9:00 a.m. – 2:00 p.m.): Sept 19 & 20Ocean Training – Ocean Monterey Sept 26 & 27Complete your certification with an unforgettable weekend that includes:4 open water dives1 snorkel divePlus, you’ll receive a FREE Dive Computer Class (a $125 value) to help you dive with confidence.Course PricingCourse Fee: $398 (Includes classroom instruction, pool sessions, and instructor-led open water dives)Personal Gear Package (required): $289 – $499 (Mask, snorkel, fins, boots, gloves & cutting devices)Plus mouthpieces for regulators. ➤ Receive a $100 rebate when gear is purchased through High Sierra Divers.Digital Learning Materials: $159.99 Normally $180.99 (SSI digital book, dive tables, certification card, and logbook)Rental Gear for Open Water Dives: Special rental rate when you purchase your basic gear for HSD.We provide all scuba gear for pool sessions, and rental gear is available for your ocean dives.Why Choose Us?✔ Small class sizes for personalized instruction ✔ Experienced, professional instructors ✔ Focus on safety, confidence, and enjoyment ✔ Ongoing support—even after certificationAdditional InformationMinimum age: 12 years and olderCourse duration: Approximately 2 weeksSmall group instruction focused on safety and confidenceReady to Get Started?Create your SSI Diver profile and connect with us here: https://www.divessi.com/en/homeOr simply reply to this email, call, or stop by the shop—we’ll take care of the rest.This is more than just a class—it’s the beginning of a lifetime of adventure. Don’t wait too long… spots fill quickly, and we’d love to see you in this upcoming session!Best regards, Doug & Tina

You’re just one step away from becoming a certified diver—and we’d love to have you join us!Our SSI Open Water Diver Course is designed to be fun, supportive, and confidence-building, giving you everything you need to safely explore the underwater world.A $50 deposit secures your spot, and classes are kept small—so reserving early is the best way to guarantee your place.Your Course ScheduleClassroom (6:00 – 8:30 p.m.) September 15,17,22,& 24Pool Sessions (9:00 a.m. – 2:00 p.m.): September 19 & 20Ocean Training – Ocean Monterey September 26 & 27Complete your certification with an unforgettable weekend that includes:4 open water dives1 snorkel divePlus, you’ll receive a FREE Dive Computer Class (a $125 value) to help you dive with confidence.Course PricingCourse Fee: $398 (Includes classroom instruction, pool sessions, and instructor-led open water dives)Personal Gear Package (required): $289 – $499 (Mask, snorkel, fins, boots, gloves & cutting devices)Plus mouthpieces for regulators. ➤ Receive a $100 rebate when gear is purchased through High Sierra Divers.Digital Learning Materials: $159.99 Normally $180.99 (SSI digital book, dive tables, certification card, and logbook)Rental Gear for Open Water Dives: Special rental rate when you purchase your basic gear for HSD.We provide all scuba gear for pool sessions, and rental gear is available for your ocean dives.Why Choose Us?✔ Small class sizes for personalized instruction ✔ Experienced, professional instructors ✔ Focus on safety, confidence, and enjoyment ✔ Ongoing support—even after certificationAdditional InformationMinimum age: 12 years and olderCourse duration: Approximately 2 weeksSmall group instruction focused on safety and confidenceReady to Get Started?Create your SSI Diver profile and connect with us here: https://www.divessi.com/en/homeOr simply reply to this email, call, or stop by the shop—we’ll take care of the rest.This is more than just a class—it’s the beginning of a lifetime of adventure. Don’t wait too long… spots fill quickly, and we’d love to see you in this upcoming session!Best regards, Doug & Tina