Try SCRLeave 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.Learn more SCR Extended RangeAdvance 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!Learn more Try CCR DivingDiscover tranquility with Try CCR Diving – an intro to silent underwater exploration. Say goodbye to bubbles and immerse yourself in a serene aquatic world. Your silent adventure begins now.Learn more 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. Meet the Faces of the SSI Ambassador Program 2026 2026-03-28 Meet the 2026 SSI Ambassador Program team—divers, creators, and ocean advocates inspiring a new generation of underwater explorers. What Is Freediving? A Beginner's Guide to Breath-Hold Diving 2026-03-20 What is freediving? Discover how breath-hold diving works, how safe it is, what gear you need, and how beginners can start freediving today. Scuba Certification Course: What to Know Before You Start 2026-03-17 Thinking about taking a scuba certification course? Learn what beginner dive courses include, from requirements and skills to your first open water dives.