TDI Cavern Diver

Ready to cross a water portal few have ever entered?

The TDI Cavern Diver Course is your passport to a hidden world under the jungle’s crystal-clear water, mesmerizing haloclines, and ancient formations shaped over millennia. Beyond its natural beauty, this course serves as a gateway to the past.

You’ll explore spacious passages adorned with stalactites, stalagmites, and stone ceilings, always within the limits of natural light. As you refine your buoyancy and master key skills to become an autonomous diver, you’ll be swimming among stories frozen in time.

Prerequisites:

SDI TDI instructor crossover prerequisites — active instructor status required

Required Certification:

Crossover candidate requirements — current teaching status and no active QA investigations

Plus

  • 18 Years Old
  • 25 Logged Dives
  • Basic buoyancy control
  • Optional Buoyancy Workshop

What makes Cavern Diving so interesting?

For thousands of years, these caverns have preserved prehistoric human remains, skeletons dated between 9,000 and 13,700 years old. Archaeological discoveries also include pottery, tools, and ceremonial artifacts from ancient Maya rituals.

Go even further back, and you’ll find fossils of giant sloths, mastodons, and other creatures from the Pleistocene era, silent witnesses to a world long gone.

This course doesn’t just teach you to dive safely under an overhead environment; it connects you to one of the planet’s most unique natural and cultural legacies.

Become a Stronger Diver

  • Improve your buoyancy, gear control, and gas management
  • Learn to handle problems calmly and safely
  • Sharpen your focus and decision-making under pressure
  • Train to move with confidence and precision in complex environments
Cavern diver practicing guideline techniques inside a cenote during Divers UnderGround training in Mexico

All within a fun, professional, and safe setting. You’ll train through real-world simulations, on land and underwater, applying from day one everything you need to become a dependable and confident cavern diver.

LEAVE THE WORLD BEHIND
AND DIVE INTO THE VEINS OF THE EARTH

What Skills

Will You Learn?

Technical Background

and Context of
Cavern Diving

Details

dives divers underground

Dives:

1 open water dive and four cavern dives at a minimum of two different sites, plus land-based practice exercises.

Booking calendar for guided cenote dives in Playa del Carmen

Duration:

Minimum 3 days, but we move at your pace. Take the time you need to feel confident and secure.

format divers underground

Format:

Theoretical sessions, dry land simulations, and in-water drills with continuous feedback.

Divers UnderGround certification icon

Certification:

TDI Cavern Diver.

Includes

price per day

1 Student Diver USD 325
2 Student Divers USD 300
3 Student Divers USD 300

Other costs

E-learning Materials USD 155
Digital Certification USD 30
Rental Tech Gear USD 50/Day

If you have a dive center and want us as your allies to run your operation in the Riviera Maya, contact us. We have special rates for you.

Ready to start your cave diving course in Playa del Carmen?

Fill out the reservation form to check eligibility, confirm prerequisites, review your equipment configuration, and arrange private training dates for your TDI Cavern Diver course.

WhatsApp us or request a reservation to get started.

A 30% deposit is required to reserve training dates.
 
 
To get the most out of your time with us, we recommend starting with the TDI E-Learning program before your in-water sessions. The certification fee is paid at the end of your training, upon completion of all requirements.
 
If you have a dive center and want us as your allies to run your operation in the Riviera Maya, contact us. We have special rates for you.

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Yes, it’s technical. Yes, it’s demanding. But you’ve got to have fun!