SDI Advanced Buoyancy Control Buoyancy is the skill that affects every dive you take. The SDI Advanced Buoyancy Diver course cover...

SDI Altitude Lake Pleasant sits at 1,700 feet above sea level, which means every dive there is technically an alt...

SDI Boat Diver Most of the best dive destinations are accessed by boat. Charter trips to Southern California, livea...

SDI Computer Nitox Nitrox, also called enriched air, contains more oxygen and less nitrogen than standard air. That shi...

SDI Deep Your Open Water certification limits you to 60 feet. The SDI Deep Diver specialty removes that ceili...

SDI Diver Propulsion Vehicle A DPV, also called a dive scooter or underwater scooter, pulls you through the water so you can cove...

SDI Dry Suit A dry suit keeps you warm in cold water by trapping an insulating layer of air between the suit and ...

SDI Equipment Specialist The SDI Equipment Specialist course teaches you how your scuba gear works, how to maintain it proper...

SDI Full Face Mask A full face mask covers your entire face, seals around it, and lets you breathe through your nose as...

SDI Night/Limited Visibility The same dive site you know during the day looks completely different after dark. Nocturnal creature...

SDI Search & Recovery Things go overboard. Anchors get lost. Objects sink and don't come back up on their own. The SDI...

SDI Shore & Beach Shore diving is how you access dive sites without a charter boat, a divemaster, or a schedule. La Jo...

SDI SideMount Sidemount diving carries cylinders clipped to your sides rather than mounted on your back. The confi...

SDI Solo Diver Solo diving is not for everyone. It requires significant experience, specific equipment, and a diffe...

SDI Underwater Navigation Navigation is the skill that determines whether you actually see what you came to see. The SDI Und...

SDI Underwater Photographer Underwater photography turns a dive into something you can show people. The SDI Underwater Photogr...

SDI Wreck Diver A wreck is not just a shipwreck. It is an artificial reef, a habitat, and a piece of underwater hist...