SDI Scuba Discovery Take the Plunge: Discover Scuba Diving! Ever wondered what it’s like to breathe underwater?...

SDI Inactive Diver/Refresher Program Dive Back In: The SDI Refresher Program Has it been a while since your last descent? Dust off you...

SDI Future Buddies Program Become a Junior Explorer: Scuba for Kids! Do you have a "little fish" who’s dream...

SDI Snorkeler Dive In: The SDI Snorkeler Program Experience the magic of the ocean from the best seat in the ho...

SDI Open Water Scuba Diver Unlock the door to the underwater world with the SDI Open Water Diver certification, your first...

SDI Open Water Scuba Diver & Computer Nitrox Bundle Unlock the door to the underwater world with the SDI Open Water Scuba Diver certification, your firs...

SDI Open Water Scuba Diver Course - Private 1 on 1 NO HIDDEN COSTS! Unlock the door to the underwater world with the SDI Open Water Scuba Diver cer...

SDI Advanced Adventure Diver If you’ve taken your Open Water Scuba Diver course and are now ready to expand your knowledge ...

SDI Computer Nitrox Diver Extend your bottom time and increase your enjoyment on every dive! Switch to Nitrox and...

SDI Rescue Diver Course: Be the Diver Everyone Wants as a Buddy Master the skills to manage dive emergencies, boost your confidence, and become a more capable, safe...

SDI Rescue Diver Bundle: The Ultimate Safety Package Become the diver everyone trusts. This comprehensive bundle combines SDI Rescue Diver, First Aid, AE...

First Aid & AED Course (Stand-Alone) The First Aid & AED Course (Stand-Alone) provides essential emergency response training for indi...

Oxygen Provider Course (Stand-Alone) The Oxygen Provider Course (Stand-Alone) is designed for individuals who already hold a current Firs...

All Letts Dive Specialty Courses All of our specialty courses are built to be taught with a minimum of four (4) Students.   H...

SDI Search & Recovery The SDI Search and Recovery Diver course trains divers in professional techniques to locate and reco...

SDI Boat Diver Boat Diving occurs every day around the world; whether is it an inland lake or in the Caribbean, Sou...

SDI Deep Diver SDI’s Deep Diver Course is a must for any diver wishing to explore a little more, go a little ...

SDI Drift Diver Drift diving allows a diver to travel over a large area without expending much energy. You simply ge...

SDI Night/Limited Visibility Many divers find that night diving is their favorite type of diving. As with all specialty diving ap...

SDI Underwater Navigation Diver The Underwater Navigation Diver course is designed to build a diver’s confidence and skill in ...

SDI Solo Diver The SDI Solo Diver course is designed for experienced divers who want to develop the skills, knowled...

SDI Hunt & Collect The Hunt & Collect Diver course teaches divers the proper techniques, responsibilities, and safe...

SDI Photo Diver The Underwater Photo Diver course introduces divers to the skills, techniques, and equipment needed ...

SDI Dive Master The SDI Divemaster course is your first step into professional scuba diving. This program is designe...

SDI Instructor Development Course The SDI Instructor Development Course (IDC) is the gateway to becoming a professional scuba instruct...

SDI Divemaster Crossover This Crossover will include an eLearning session and an in person session on September 13th in the L...

SDI Instructor Crossover This Crossover will include an eLearning session and an in person session on September 13th in the L...

SDI Equipment Specialist This course is designed to give an in-depth look at how dive equipment works. It will cover general ...

Fill Station Operator SDI Fill Station Operator Course The SDI Fill Station Operator course is designed to provide the ...

SDI Intro to Tech Diving The SDI Intro to Tech course is designed to bridge the gap between recreational and technical diving...

SDI TDI Nitrox Diver The TDI Nitrox Diver course teaches divers to use Enriched Air Nitrox (EANx) mixtures safely—usually up to 40% oxygen—to extend no-decompression limits and reduce nitrogen exposure.

SDI Sidemount Diver The SDI Sidemount Diver course introduces divers to the skills, equipment, and procedures involved i...