Intro to Tech  Classes begin daily. This course introduces students to the world of technical diving.

Advanced Nitrox With Deco Procedures Advance your skills with OTWA’s Advanced Nitrox & Decompression Procedures course. Learn to safely plan and execute decompression dives while mastering gas management and technical planning. Classes start daily — reserve your spot now. This course examines the use of EAN-21 (air) through (100) percen...

Cavern Explore the overhead environment safely by learning the skills, planning & equipment needed when diving in caverns. 

Advanced Recreational Trimix Diver This course provides the training required to competently and safely utilize breathing gases containing helium for dives that require staged decompression to a maximum depth of 165 fsw.

Closed Circuit Rebreather Diving (Sport KISS and KISS Classic) This course if for divers wishing to learn closed circuit rebreather diving.