ITC (Instructor Training Course)

Become a Dive Instructor! Prerequisites: Completed SSI Assistant Instructor I course; professional-level personal equipment; current TTU; proof of first aid and oxygen administration certificationFollowing the ITC, the IE (Instructor Evaluation) will take place here on September 19–20, 2026.

Take an Enriched Air Nitrox Specialty course if you want to shorten your surface intervals and extend your dive time. You'll spend more time exploring your favorite dive sites instead of waiting! With the course you will expand your diving knowledge to plan safe dives with enriched air mixtures up to 40% oxygen. After completing the course, you will receive an SSI Enriched Air Nitrox certification for 32% or 40%.

With the SSI Try Scuba course you can experience your first unforgettable breaths underwater. With an instructor at your side, you can dive in confined water without any worries and experience the magic of scuba diving. At the end of this short course, you will have earned your SSI Try Scuba certification card and can hardly wait for your next dive. Because there are countless diving adventures waiting for you and this course is just the beginning. Start today!

Diving skills easily become rusty and after a while you lose confidence in your own abilities. An SSI Scuba Skills Update will get you back in the water and back to your old strength in no time at all. In the refresher course, you repeat and practise the diving skills from your Open Water Diver program under the guidance of an SSI professional. However, a scuba skills update is not only a relaxed way to refresh your diving skills, but often also a prerequisite for resuming diving training after a break. If you don't want to worry about your skills on your diving vacation and would rather enjoy the underwater world instead, take the course shortly before your trip. The course is also ideal for Open Water Diver students to consolidate their diving skills before open water dives. The flexible course duration allows you to take your time and concentrate on your weaknesses.

The SSI Perfect Buoyancy Specialty course is the best way to improve your buoyancy and experience perfect dives. Buoyancy control is one of the most important diving skills, but as any experienced diver will tell you, it takes time to perfect. In this course, you will learn advanced buoyancy skills and techniques to help you master your buoyancy faster. By improving your water position and optimizing your buoyancy control, you can reduce your air consumption and increase your bottom times. In this fascinating course you will also learn new skills to protect the underwater world, which can always be used. At the end of the course you will receive the SSI Perfect Buoyancy Specialty certification. Well-balanced, you will soon be gliding calmly through the water, taking the underwater photos you've always dreamed of or simply enjoying the weightlessness.

The SSI Science of Diving Specialty course provides you with a comprehensive understanding of the underwater world and its effects on the human body. The course is the foundation for most SSI Professional courses and some Extended Range courses and is an essential part of deepening your diving knowledge. You can complete your SSI Science of Diving Specialty certification online from the comfort of your own home. Upon completion of the course, you will be halfway to the coveted SSI Divemaster and receive your Science of Diving certification.

Sidemount diving is already a common practice for wreck, mine and cave divers, but now more and more recreational divers are discovering the benefits. You don't carry a heavy tank on your back, feel more comfortable in the water and improve your water resistance and trim. You use less energy, can reduce your gas consumption and thus make the most of your diving time. With better buoyancy control, easier access to valves and more redundancy, sidemount diving offers safety and satisfaction. This is the best sidemount diving course to discover and enjoy the enticing benefits of this style of diving. You will learn all the skills and knowledge you need to dive safely and comfortably with single or twin cylinder sidemount equipment.

Sidemount diving is already a common practice for wreck, mine and cave divers, but now more and more recreational divers are discovering the benefits. You don't carry a heavy tank on your back, feel more comfortable in the water and improve your water resistance and trim. You use less energy, can reduce your gas consumption and thus make the most of your diving time. With better buoyancy control, easier access to valves and more redundancy, sidemount diving offers safety and satisfaction. This is the best sidemount diving course to discover and enjoy the enticing benefits of this style of diving. You will learn all the skills and knowledge you need to dive safely and comfortably with single or twin cylinder sidemount equipment.

Proper gas blending is essential for safe breathing underwater. The SSI Gas Blender course teaches you the skills and concepts required to safely blend nitrox and helium-based trimix gases. This non-diving program is open to certified and non-certified divers and teaches the correct application of math, gas blending software, physics and techniques necessary to safely blend breathing gases. Upon completion of this course, you will receive either the SSI Nitrox Gas Blender or SSI Trimix Gas Blender certification. Start online today!

As a dry suit diver you can dive warm and comfortable in cold waters all year round. Only dry suit diving opens up the special underwater landscapes of cold water: dives on icebergs in the remote Arctic or fascinating places teeming with life despite the cold. Dry suits are also great if you dive several times a day. Instead of struggling to get out of the cold, wet wetsuit each time, the dry suit diver simply leaves his suit on. The best way to dry suit dive is the SSI Dry Suit Diver Specialty course. Here you will gain the necessary knowledge and learn all the skills you need to dive safely and comfortably in a dry suit. This includes how to use the special equipment and how to deal with difficult situations and problems with the dry suit. At the end of the course you will receive the SSI Dry Suit Diving Specialty certification.

Night dives require very different skills than daylight dives. The SSI Night Diving & Limited Visibility Specialty course is the best way to learn all about night diving and practice the techniques required to make you a safe and confident night diver. This course will give you all the knowledge and skills to dive safely and relaxed at night or in limited visibility conditions. In a balanced mix of online learning and open water dives, you will learn how to use special equipment, the correct entry and exit techniques and how to communicate with your dive buddy at night and in limited visibility. Upon completion of the course, you will receive the SSI Night Diving and Limited Visibility Specialty certification and be ready to dive into the dark with confidence.

This specialty course provides you with the knowledge and advanced skills you need to navigate safely and confidently underwater. You will learn the correct use of the compass, natural navigation techniques, estimating distances, leaving and returning to a given point and simple navigation patterns. You will also learn how to combine navigation techniques to optimize your diving experience. All of this will sharpen your underwater observation skills, increase your diving safety and help you get the most out of every dive. Upon completion of the course, you will receive the SSI Navigation Specialty certification.

Lost items are now a thing of the past with the SSI Search & Recovery Specialty course. In this fascinating course you will learn all the skills you need to safely and confidently conduct search and recovery dives. You will learn how to use search patterns, special dive plans and underwater communication skills and practice using special equipment such as lift bags, lines and reels. By developing your search techniques and practicing search procedures in a dive team, you will become a confident search and rescue diver during this course. Upon completion of the course, you will receive the SSI Search & Recovery Specialty certification.

React Right is SSI's emergency first responder course and provides the knowledge and practical skills to act as a first responder in a medical emergency. In this flexible course, you can choose your subject areas, such as initial assessment, first aid, CPR and stabilization techniques. You will learn more about administering emergency oxygen and using the defibrillator (AED). With a combination of theory and practical exercise scenarios, this course will give you important tools and the confidence to provide emergency assistance. Once certified, you will be able to act as a first aider, administer first aid and CPR, administer oxygen and provide AED support. Earn your SSI React Right Specialty certification and help other divers in need. Start your SSI React Right Specialty course today!

As a deep diver, you have the unique opportunity to explore some of the world's best dive sites and most popular marine life. There is so much waiting for you in the deep blue sea. In a balanced combination of theory sessions and open water dives, the SSI Deep Diving Specialty course will teach you everything you need for dives between 18 and 40 meters. You will learn how to plan and safely conduct your deep diving adventures and how to get the most out of your deep dives with the help of dive computers and gas consumption calculations. Upon completion of the course, you will receive your SSI Deep Diving Specialty certification and be able to explore the most beautiful deep dive sites wherever you want. This SSI Specialty is also a prerequisite for other advanced training courses, making it the next logical step in your diving education.