SSI Try Scuba — Discover Diving Most people go their whole life never knowing what it feels like to breathe underwater. One w... Find Out More

SSI Open Water Diver Course — Scuba Certification Right now, most of the ocean is a place you can only look at. SSI Open Water certification is... Find Out More

SSI Scuba Skills Update — Refresher Course Your certification card has been in your wallet a lot longer than your wetsuit has been in the w... Find Out More

SSI Enriched Air Nitrox Certification Your computer beeps. Five minutes left on your no-decompression limit, and you just found the be... Find Out More

SSI Diver Stress & Rescue Course Something changes in your buddy's breathing, their body position, their eyes, and you recogn... Find Out More

SSI Perfect Buoyancy Course You're certified. So why does every dive still feel like work? Perfect Buoyancy teaches t... Find Out More

SSI Digital Underwater Photography Course Every diver sees the reef. Very few know how to bring it home. You surface with a head full o... Find Out More

SSI Wreck Diving Course A reef grows over centuries. A wreck arrives all at once. Wreck Diving teaches you to plan, n... Find Out More

SSI Equipment Techniques Course Your regulator free-flows on the boat ten minutes before the dive, and you're not sure if it... Find Out More

SSI Search & Recovery Course You watch it sink. The current takes it. You have no idea where to start looking. Most divers... Find Out More

SSI First Aid, CPR & AED Certification You've watched the CPR poster a hundred times. You've never actually pressed your hands ... Find Out More

SSI Oxygen Provider Course A diver surfaces feeling off after a deep dive, and the boat is forty-five minutes from the near... Find Out More

SSI Science of Diving Course You ascend slowly. You respect your no-decompression limit. Most divers follow both rules withou... Find Out More

SSI Advanced Open Water You have your Open Water card. You may not know yet if you're a wreck diver, an underwater p... Find Out More

SSI Blue Oceans You've seen a reef that looked vibrant and alive. You may have also seen one that didn't... Find Out More

SSI Boat Diving The boat is rocking, six other divers are already half-dressed, and you're still figuring ou... Find Out More

SSI Computer Diving Your computer shows a number. You surface when it tells you to. Few divers ever learn what it ac... Find Out More

SSI Marine Ecology A school of yellow fish flashes past. A patch of staghorn coral, a sponge, something purple in a... Find Out More

SSI Navigation You surface near the boat, current running the wrong way, and you're not entirely sure which... Find Out More

SSI Night & Limited Visibility Your light catches a pair of eyes in the coral that were never there at noon. Then your buddy... Find Out More

SSI Deep Diving Standard Open Water limits aren't a wall, they're a starting point. Most divers never le... Find Out More

SSI Waves, Tides & Currents The site was calm yesterday. Today the same spot has a current pulling sideways that nobody ment... Find Out More

SSI XR Foundations — Technical Diving XR Foundations is the SSI Extended Range entry course: a pool-based skill circuit covering buoyanc... Find Out More

SSI Divemaster Program SSI Divemaster is Step 1 of the professional development pathway at Tom’s: the first certifi... Find Out More

SSI Open Water Instructor Course SSI Open Water Instructor is the highest professional certification in the Lead / Pro pathway at T... Find Out More

Professional Development - TDS Instructor Find Out More