SDI Advanced Buoyancy Control Specialty Course · Better Buoyancy · For Certified Divers Dive smoother, use le...

SDI Altitude Classroom Course · Diving at Altitude · For Certified Divers Take your diving t...

SDI Boat Diver Specialty Course · Diving from Boats · For Certified Divers Step onto any dive ...

SDI Computer Nitrox Classroom Course · Enriched Air · No Dives Required Longer bottom times, less f...

SDI Deep Specialty Course · Dive to 130 Feet · For Certified Divers Get past the 60-foot...

SDI Diver Propulsion Vehicle Specialty Course · Underwater Scooters · For Certified Divers Fly through the w...

SDI Dry Suit Specialty Course · Cold-Water Diving · For Certified Divers Stay warm, dive lon...

SDI Equipment Specialist Classroom Course · Know Your Gear · No Dives Required Never lose a dive to a ge...

SDI Full Face Mask Specialty Course · Full Face Masks · For Certified Divers Breathe with your who...

SDI Night/Limited Visibility Specialty Course · Night & Low-Vis Diving · For Certified Divers See your f...

SDI Search & Recovery Specialty Course · Search & Recovery · For Certified Divers Find what was l...

SDI Shore & Beach Specialty Course · Dive Without a Boat · For Certified Divers Dive on your own ...

SDI SideMount Specialty Course · Tanks on Your Sides · For Certified Divers Move your tanks t...

SDI Solo Diver Specialty Course · Self-Reliant Diving · Advanced Divers Only Diving on your ow...

SDI Underwater Navigation Specialty Course · Never Lose the Boat Again · For Certified Divers Find your w...

SDI Underwater Photographer Specialty Course · Bring the Dive Home · For Certified Divers Come up with phot...

SDI Wreck Diver Specialty Course · Explore the Sunken · For Certified Divers History and marine...