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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!

Do you enjoy diving with nitrox? Are you ready to take your enriched air diving deeper? 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 / 130 feet with limited decompression while using nitrox. Learn the techniques and procedures for using breathing gases up to 100% oxygen for decompression. Start online today!

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? Become an SSI Dive Guide! Take the first exciting step towards earning your Divemaster rating now.