Unleash Your Inner Adventurer – Dive into the World’s Best Sites with SSI’s Advanced Scuba Training

Explore the world’s best dive sites with SSI’s advanced scuba training. Choose from over 20 Specialty Programs to enhance your skills and earn your free SSI Specialty Diver, Advanced Specialty Diver, and Master Diver ratings.

Not sure which program to choose? Take the Advanced Adventurer program and try 5 different Specialties before committing to a full training program. Afterwards you can complete your Specialty certifications any time later at your convenience. Achieve your diving dreams and explore the most iconic dive sites in the world with the flexible training approach of SSI!

Perfect Buoyancy

Glide through the ocean effortlessly, extend your dive time, reduce your air consumption and more with the SSI Perfect Buoyancy specialty. No matter what your diving interest, having perfect buoyancy is the key to success. Start this essential specialty course now!

Deep Diving

Are you ready to become a deep diver and explore deeper wrecks, coral-encrusted walls, reefs and more? Many exciting dive sites lie in deep waters and the SSI Deep Diving Specialty will teach you how to get there – safely and with confidence. You will learn how to plan and conduct dives to between 18 and 40 meters deep and earn your SSI Deep Diving Specialty certification.

Enriched Air Nitrox Level 2 (40%)

Do you want to extend your dive time and explore the dive sites you love for longer? Join the SSI Enriched Air Nitrox specialty program and become a nitrox diver! This is the perfect course to get the most out of your dive time, especially on multi-dive days, and helps minimize diver fatigue. Earn your SSI Enriched Air Nitrox Specialty certification now!

Night Diving and Limited Visibility

Diving does not end when the sun goes down! Become a night diver and meet the incredible marine life that only comes out at night. Join the SSI Night Diving and Limited Visibility specialty program and you will learn all you need to dive safely at night or in limited visibility. Upon completion, you will earn your SSI Night Diving and Limited Visibility specialty certification.

Navigation

Underwater navigation is a crucial dive skill, but it does not need to be difficult. Become a better, more confident diver who always knows where they are going. Start the SSI Navigation specialty online today!

Diver Stress & Rescue

Diver stress is a major cause of diving accidents, but it can easily be prevented and resolved. Join the SSI Diver Stress and Rescue Specialty program and learn how to help yourself and other divers stay safe. Earn this essential specialty certification today!

Computer Diving

Get the most from every dive by knowing how to fully utilize your dive computer’s unique features. Earn your SSI Computer Diver specialty by starting online today!

Decompression Diving

Are you interested in learning how to extend your dive beyond the traditional no-decompression limits? Do you want to understand and use more of your dive computer’s features? Then the SSI Decompression Diving Specialty is for you! To earn your SSI Decompression Diving Specialty, you will learn how to plan and conduct a limited decompression dive using dive planning software and a multi-gas computer to a maximum depth of 40 meters.

Science Of Diving

Expand your dive knowledge and gain a better understanding of your equipment, physics, the aquatic environment and more with the online SSI Science of Diving specialty. After completing this dive science program, you will be halfway to earning the coveted SSI Divemaster rating. Start online today!

Wreck Diving

Do you want to explore iconic towering shipwrecks and dive World War airplanes covered in vibrant marine life? Discover the world of wreck diving and get started today with this SSI wreck diving course. You will learn all you need to dive above and around wrecks and artificial reefs, plus earn your SSI Wreck Diving specialty certification.

Boat Diving

Discover pristine dive sites that cannot be reached from shore and experience the excitement of liveaboard diving. Become an SSI boat diver. You will learn all the skills and techniques you need to dive safely and comfortably from a variety of boats, including small personal craft and liveaboards. Upon completion, you will earn your SSI Boat Diving Specialty certification.

Dry Suit Diving

Become a dry suit diver and you can dive comfortably all year, anywhere in the world. It is the best way to extend your dive season, keep warm and explore cold water dive sites with ease. Start the SSI Dry Suit Diving specialty program now.

Equipment Techniques

Learn how to choose, maintain and store your diving equipment for maximum performance and longevity. Get the most from your dive equipment on every dive! Earn your SSI Equipment Techniques specialty now.

Search & Recovery

Make lost items a thing of the past with the SSI Search & Recovery specialty program! You will learn all you need to find lost items underwater with ease. Become a search and recovery diver now and be the dive buddy everyone wants by their side.

Waves, Tides & Currents

Water motion can have a huge effect on your diving. Take control of your dives no matter the conditions with the SSI Waves, Tides and Currents specialty. You will learn all you need to dive safely and comfortably in currents, waves, rivers and from shore. Earn this specialty certification now!

Recreational Sidemount Diving

Ditch the heavy tank on your back and discover the benefits of sidemount diving. You’ll improve your streamlining and trim, gain better buoyancy control and enjoy easier, relaxed dives. Become a certified SSI Recreational Sidemount diver now!

DPV Diving

Do you want to dive for longer, explore further and cover a large area? The SSI DPV Specialty program is the best course for you! Your legs can only take you so far, but with an underwater scooter or diver propulsion vehicle (DPV), you can enjoy easy diving every time. Start this specialty today!

Gas Blender Nitrox/Trimix

Are you interested in the art of mixing gasses for your dive adventures? The SSI Gas Blender program will provide you with the knowledge and skills to blend nitrox and helium-based mixed gas blends. Since this is a non-diving program, certification is open to divers and non-divers alike. If you enjoy math, precision, and technical accuracy, this course is for you. Start your SSI Gas Blender certification online today!

React Right - Course Combination (FA, CPR, AED, O2)

Learn how to manage dive emergencies and treat injuries as a first responder with our React Right specialty. This in-depth emergency first response course includes first aid, CPR skills, oxygen administration and much more! Earn the SSI React Right specialty certification and help other divers in need. Start today!

Divemaster

Do you dream of leading certified divers underwater? Do you want to improve your dive skills and take the first step towards becoming a scuba instructor? Take the first exciting step towards earning your SSI Divemaster rating now!

Dive Deeper with SSI’s Advanced Freediving Training – Explore Your True Ability

Enhance your freediving skills with SSI’s Advanced or Performance Freediver and discover new disciplines with Freediving Specialties. Choose from various individual programs to find your passion and push your limits to new heights!

Earn your free SSI Specialty Freediver, Progressive Freediver, and Master Freediver ratings by taking Specialty programs and logging dive sessions. Keep training to build a solid foundation for your future adventures and an SSI Professional career!

Advanced Freediver

Ready to take your freediving to the next level? Increase your average breath-hold, improve your freediving efficiency, and take yourself to greater depths. Learn exciting new breath-holding techniques with the Advanced Freediver program.

Performance Freediver

Learn the techniques of a freediving world record holder in the SSI Performance Freediver program. The ultimate in freediving training, this program will give you the advanced freediving skills and knowledge you need to dive up to 40 meters deep with a buddy. Earn this coveted SSI freediving certification today and prepare for your ultimate freediving goals.

Free Immersion

Expand your freediving training to be calmer and more confident while diving deeper. Achieve extended dive times with improved relaxation in the SSI Free Immersion freediving course. Free Immersion freediving teaches you how to use your arms efficiently to dive up and down a line, giving you the chance to master your equalization skills.

Go Beyond Your Limits – Explore New Horizons with SSI’s Extended Range Programs

Start technical diving with SSI’s comprehensive range of programs, covering all options like Open-Circuit and Rebreather Diving as well as Sidemount. Become the best of the best and experience the thrill of diving deep reefs and wrecks, exploring caves, and enjoying extended bottom times using Trimix.

Choose from the entire range SSI Extended Range programs and improve your skills and knowledge to the highest level. Go farther, deeper and beyond with SSI’s technical diving programs!

Extended Range

The Extended Range Trimix certification is the perfect launching point to becoming a tech diver. All other open-circuit programs build on this core trimix training program. Learn the basics of tech diving and how to safely dive to 45 meters in this exciting program. Start this Extended Range Trimix diver certification online today!

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 and learn more about using tec diving gear. Dive into the exciting world of technical diving with Extended Range Foundations. Get started online today!

Extended Range Nitrox Diving

Do you enjoy diving with nitrox? Advance your nitrox diving knowledge and skills with the SSI Extended Range Nitrox program. Upon completion, you will be certified to dive to a depth of 40 meters with limited decompression while using nitrox. Learn the techniques and procedures for using breathing gases up to 100% oxygen for decompression. Start this enriched air diving course online today!

Technical Extended Range

SSI’s Technical Extended Range Trimix diving program will train you to go mixed gas diving to a maximum depth of 60 meters. Dive with unlimited decompression and use specific technical diving equipment with this highly specialized, Extended Range diving certification.

Explore the Depths of Mermaid Life with SSI’s Advanced Training – Become a Model and Conquer Open Waters!

Expand your mermaid skills and explore the endless possibilities with SSI’s advanced mermaid training. Take your training to the next level with the Ocean Mermaid and Underwater Model programs. Keep on training and build a solid foundation for your future adventures.

Take your career to the next level by becoming an SSI Mermaid Instructor and advance to higher training levels by teaching Ecology Programs. SSI offer a wide range of SSI training programs that cater to your needs and interests. Start building a solid foundation for your future SSI Professional career today!

Ocean Mermaid

Tired of being confined to a swimming pool? Ready to go mermaiding in open water? Learn how to become a mermaid with the SSI Ocean Mermaid program. Start your Ocean Mermaid course now!

Model Mermaid

Strike the perfect pose, get the perfect shot! Discover underwater modeling and pose for in-water and surface mermaid shots. This mermaid course provides all you need to be a mermaid successfully with a photographer or videographer. Join the SSI Model Mermaid program now!

Dive with purpose – SSI’s Public Safety Diving Training

Ready yourself for the demands of public safety diving with SSI’s specialized programs. Our courses, like the Public Safety Diver and Rescue Team Diver certifications, are tailored to equip you with the skills needed for critical missions in challenging conditions. From mastering low visibility diving to honing response techniques for in-water incidents, our training ensures you’re prepared to serve as a key member of any public safety dive team.

Join us and unlock your potential as a confident and capable Public Safety Diver with SSI.

Public Safety Diver

Take the first step in joining a public safety dive team with SSI’s Public Safety Diver program. Gain the basic knowledge, skills, and fundamentals needed to ensure safety and competency in this growing field. Earn your SSI Public Safety Diver certification by starting online today!

Rescue Team Diver

Continue your training in public safety diving with SSI’s Rescue Team Diver program. This 4-day specialty is designed for those already affiliated with a public safety dive team and includes instruction on how to function safely and effectively in a public safety dive team unit with hands-on training. Earn your SSI Rescue Team Diver certification by starting online today!

Discover the Wonders of the Deep with SSI's Blog

Join us on an exciting journey of discovery and learn more about exhilarating diving adventures, dedicated conservation initiatives, and innovative educational opportunities that will help you illuminate the extraordinary beauty of the underwater world. Let's explore the underwater world together and delve into the hidden wonders beneath the gentle waves.

How to Become a Professional Diver with Purpose: Turning Passion into Impact

How to Become a Professional Diver with Purpose: Turning Passion into Impact

2026-04-24

Learn how to become a professional diver with this step-by-step guide. Explore training pathways, career options, and skills needed to turn diving into a purpose-driven career.

 Frenzel Equalization Explained: What It Is and How It Works

Frenzel Equalization Explained: What It Is and How It Works

2026-04-20

Learn what Frenzel equalization is, how it works, and why freedivers use this technique to equalize efficiently and protect their ears underwater.

 How Grenada's Underwater Art Park Is Supporting Coral Recovery

How Grenada's Underwater Art Park Is Supporting Coral Recovery

2026-04-17

Explore how underwater art in Grenada is helping restore coral reefs. Discover the artificial reef project, why it matters for divers, and how to get involved.