© IMAGE © Mares-Bjoern Dorstewitz

Extended Range – Go Beyond

SSI’s Extended Range programs provide avid divers with the training they need to experience the excitement of tec diving. Explore caves, enjoy extended bottom times, and experience the thrill of diving deep reefs and wrecks. Go deeper and further with SSI’s Extended Range programs like Extended Range Trimix, Semi-Closed Rebreather Diving, Extended Range Cavern Diving, Closed-Circuit Rebreather Diving, and more. The SSI Extended Range specialties are apex programs that give you the highest level of diving skill and knowledge. Once you have completed your training, you will be the best of the best. SSI offers the most comprehensive range of tec diving programs in the industry, including professional tec diving programs. Go farther, deeper, and beyond your limits with SSI Extended Range.

Open-Circuit Programs

The range of open-circuit programs allows you to become a confident technical diver at a pace that works for you. Get certified to dive beyond recreational limits to 45 meters with the Extended Range Trimix specialty. Do you want to go deeper? Get certified to dive up to a maximum depth of 60 meters as an SSI Technical Extended Range Trimix diver or dive to 100 meters in the SSI Hypoxic Trimix program.

Extended Range Foundations

The SSI Extended Range Foundations program is one of the most popular advanced diving specialties under the SSI Extended Range umbrella. It provides you with a workshop environment to improve your diving skills to a high level.

Extended Range Nitrox Diving

Do you enjoy nitrox diving? The SSI Extended Range Nitrox program will certify you to dive to a depth of 40 meters with limited decompression while diving with nitrox. Start online today!

Extended Range

Are you looking to become a tech diver? To dive deeper, farther, or longer than you ever have done before? Begin your journey and extend your range with the SSI Extended Range Trimix diver certification program.

Extended Range Wreck Diving

Do you dream of exploring ancient ships or famous world war wrecks? Become an SSI Extended Range Wreck Diver and learn how to go wreck penetration diving up to a maximum depth of 40 meters. Start this exciting SSI advanced wreck diving course online today!

Extended Range Sidemount Diving

Improve your streamlining and diver trim with SSI’s Extended Range Sidemount program. Learn the correct sidemount configuration and techniques to go diving with multiple stage cylinders efficiently and effectively. Start today!

Extended Range Cavern Diving

Do you dream of diving in the crystal-clear waters of a Mexican cenote or exploring caverns in the Mediterranean? Become an SSI Extended Range Cavern Diver and discover the thrill of leaving direct access to the surface behind! Start online today!

Technical Extended Range

SSI’s Technical Extended Range Trimix diving program will train you to independently go mixed gas diving to a maximum depth of 60 meters. Dive beyond the no-decompression limit with this highly technical, exciting certification.

Hypoxic Trimix (100m)

Push your technical diving skills to the limit with SSI’s Hypoxic Trimix program. Use all the knowledge and experience gained from your previous advanced dive training to go on the ultimate decompression dive. Start deep trimix diving today!

Technical Wreck Diving

Do you want to experience amazing wreck dives? Increase your technical dive skills to conduct complex wreck penetration dives and join the world’s elite exploration divers. Start the SSI Technical Wreck Diver certification today!

Cave Diving

Go further than you ever have before and experience the thrill of underwater cave diving. Learn to explore caves with a single navigational choice in the SSI Cave Diving program. Join the exciting world of technical diving today!

Full Cave Diving

Want to conduct complex underwater navigation as you explore deeper, longer underwater caves? SSI Full Cave Diving will teach you how to safely explore some of the deepest caves in the world. Start training for advanced cave dives today!

SCR Diving

Dive into the world of rebreathers with this entry-level semi closed rebreather certification. Learn how to independently plan and conduct no-decompression dives to a maximum depth of 30 meters using the Mares Horizon rebreather.

CCR Diving

Discover underwater silence with the SSI CCR Diving program. Learn all you need to go no-decompression diving to a maximum depth of 30 meters using the SF2, JJ, Poseidon, AP Inspiration, Prism 2, or rEvo rebreather. Start rebreather diving today!

CCR Extended Range

Take your diving to the next level and try a rebreather. Earn your SSI CCR Extended Range Trimix certification and sharpen your skills to conduct decompression dives using a rEvo, JJ, AP Inspiration, Poseidon, Prism 2, or SF2 CCR. Get started online today!

CCR Technical Extended Range

Ready to push your diving further? CCR Technical Extended Range divers conduct unlimited decompression dives to a maximum depth of 60 meters using a closed-circuit rebreather. This is one of the most exciting SSI certification programs available.

CCR Hypoxic Trimix

The SSI CCR Hypoxic Trimix program is the pinnacle of XR rebreather diving. It expands your safety check and provides the knowledge required to conduct unlimited decompression dives to a maximum depth of 100 meters using a closed-circuit rebreather.

Try SCR (HORIZON)

Leave your heavy scuba cylinder behind and experience the peace that rebreathers can bring. In this introductory SCR course, you will use a Mares Horizon semi-closed rebreather and see what rebreather diving is all about.

SCR Extended Range (HORIZON)

Advance your rebreather training with SCR Extended Range. Maximize your semi-closed rebreather dive planning, go deeper, sharpen your rebreather diver skills, and strengthen teamwork. Use the Mares Horizon rebreather for this ultimate adventure!

Become an Extended Range Trimix Instructor

Join the fastest growing training agency by becoming an SSI Extended Range Trimix Instructor. There are no limits to your tec diving instructor goals with our broad range of tec diving programs. Take your dive career to the next level and become an ambassador for this exciting sport. Tec diving is a growing market, and it can only get better with you! The SSI Extended Range Trimix Instructor program is just the beginning of a wide range of tec diving instructor ratings. This essential core program provides the knowledge, skills, and experience needed to conduct the SSI Extended Range Trimix program. Introduce your students to the incredible world of tec diving. Start today!

Extended Range Instructor

Go deeper, explore further, and develop your SSI Professional dive career. Become an SSI Extended Range Trimix Instructor and teach others the thrill of Extended Range. Start this technical dive training online today!

Suggested duration (h)

Open Water Sessions

Extended Range Wreck Diving Instructor

Share the thrill of wreck diving and enhance your career. Become an SSI Extended Range Wreck Diving Instructor. If you want to teach wreck divers at dream locations worldwide, this is the best way to do it. Start this SSI wreck diving course today!

Suggested duration (h)

Open Water Sessions

CCR Diving Instructor

Are you passionate about closed circuit rebreather (CCR) diving? Do you want to share this pioneering sport with others? Become a CCR Diving Instructor and teach CCR diving at SSI centers around the world. Start this CCR diver training online now!

Suggested duration (h)

Open Water Sessions

Technical Diving Featured Destinations

Proper skills and experience are your tickets to dive the world’s best dive sites. MyDiveGuide connects divers to the world’s largest dive site database with more than 10,000+ named dive sites, including wildlife maps. Here are some of the world’s top dive sites for technical Divers. Go explore, seek thrilling underwater experiences, and create amazing lifetime memories!

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Scotland

in the summer months, you can can expect to see sharks in Scotland

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Mexico

Diving in Mexico is a breathtaking, world-class experience. This country offers many adventures and a landscape full of natural wonders.

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Florida

The Sunshine State Florida offers many great and divers dive sites from the tropical Florida Keys to deep shipwrecks and crystal clear freshwater springs.

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Italy

Italy is a peninsula in southern Europe, famously shaped like a boot that is surrounded by three parts of Mediterranean - offering various dive sites.

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Philippines

The Philippines is an archipelago composed of over 7,000 islands in three main regions: Luzon, Visayas and Mindanao.

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Sri Lanka

Sri Lanka has a warm and tropical climate and is home to an amazing range of land animals and marine life which makes up to a great dive destination.

© AdobeStock/Nobu Otsuka

Federated States of Micronesia

Divers and Snorkelers from all around the world come every year to visit these picturesque islands, Micronesia.

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Canada

The last wild frontier, Canada, has a well-kept secret: the spectacular diving that can be done here.

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Egypt

The Arab Republic of Egypt is a country that sits in the Northeast corner of Africa on the Mediterranean Sea to its north and the Red Sea to its east.