TDI Divemaster

The TDI Divemaster Course is the first professional level certification in the TDI leadership levels. During this course you will be challenged and learn what...

Cave DPV

This course is designed to teach trained cave divers how to utilize Diver Propulsion Vehicles (DPVs) in the cave environment. Divers will learn about safe...

Stage Cave

The TDI Stage Cave Diver Course is designed to teach trained cave divers how to extend bottom times and/or penetration distance through the use of...

Cave Survey

The TDI Cave Survey Diver Course is designed to give the trained cave diver the minimum knowledge and basic fundamental skills of how to survey...

Cavern Discovery

Are you a serious adventure seeker wishing to explore overhead environments? Sign up for the TDI Cavern Diver course!This course is designed to develop the...

Intro to Cave

Are you ready to pick up where you left off in the TDI Cavern Diver Course? Are you looking to expand upon the skills developed...

Rebreather Intro to Cave

Are you ready to pick up where you left off in the TDI Rebreather Cavern Diver Course? Are you looking to expand upon the skills...

Cavern

Are you a serious adventure seeker wishing to explore overhead environments? Sign up for the TDI Cavern Diver course! This course is designed to develop...

Advanced Mixed Gas CCR

The highest level of Closed Circuit Rebreather (CCR) training that TDI offers, the Advanced Mixed Gas Course will teach you how to use the full...

Mixed Gas CCR

As a TDI CCR Air Diluent Decompression or Helitrox Diluent Decompression Diver, the TDI Mixed Gas CCR Diver course is your next step into closed...

Helitrox CCR

This is the second level certification course for divers wishing to utilize a Closed Circuit Rebreather (CCR) for mixed gas diving using a Helitrox Diluent....

Air Diluent Deco CCR

Are you an open circuit technical diver looking to cross over to the “silent” side? Or maybe you are a CCR Air Diluent Diver looking...

Full Cave

Are you a serious adventure seeker wishing to explore overhead environments? Sign up for the TDI Full Cave Diver Course!This course is the third stage...

Advanced Wreck

The TDI Advanced Wreck Diver Course is the next step for any diver that has successfully completed the SDI Wreck Diver Course. During this course,...

Rebreather Cavern

This course is designed to develop the minimum skills and knowledge for diving a TDI approved rebreather in cavern and overhead environments within the limits...

Advanced Blender

Are you ready to progress on as a Gas Blender? The TDI Advanced Gas Blender Course picks up where you left off in the previous...

Nitrox Blender

Have you ever wondered how your nitrox cylinders are filled? Do you like the “behind the scenes” look at what makes a dive happen? Take...

TDI Instructor

Are you an experienced dive instructor and passionate technical diver, and do you want to join the ranks of some the top technical diving instructors...

TDI DPV

The purpose of the TDI Diver Propulsion Vehicle (DPV) Course is to familiarize divers with the skills, knowledge, planning, organization, procedures, techniques, problems, and hazards...

CCR Full Cave

Are you a Closed Circuit Rebreather (CCR) diver who is a serious adventure seeker wishing to explore overhead environments? Sign up for the TDI Full...

Extended Range

Certain areas of the world provide spectacular dives at depths deeper than 39 metres/130 feet but you may not have access (or very limited access)...

Trimix

Are you looking to expand your depth range? Do you want to reduce narcosis during deep dives? The TDI Trimix Diver Course could be your...

Advanced Trimix

The TDI Advanced Trimix Diver Course is the top level of training for open circuit divers wishing to dive to depths as deep as 100...

Air Diluent CCR

The TDI Closed Circuit Rebreather (CCR) Air Diluent Diver Course is your first step into closed circuit rebreather diving and your first truly quiet dive...

Helitrox

The TDI Helitrox Diver Course examines the theory, methods, and procedures for planning staged decompression dives utilizing helium in the breathing mixture to reduce the...

Deco Procedures

Are you finding your no- decompression limits (NDLs) a limiting factor to dives? Do you have to ascend sooner than you would like? As sport...

Advanced Nitrox

Are you looking to expand your dive time? Maybe you’re a scientific diver or photographer looking to stay in the water a little longer?The TDI...

TDI Sidemount

This course is designed to teach certified divers how to safely utilize sidemounted primary cylinders as an alternative to the traditional back-mounted configuration. This course...

TDI Nitrox

TDI Nitrox Diver Course is an entry-level course for divers wishing to continue their diver education and utilize enriched air nitrox as a breathing gas...

Intro to Tech

The TDI Intro to Tech Course is an introductory course that expands on recreational training by improving dive planning methods, in-water skills, and streamlining existing...