tdi_4color-LogoLG Mexico Underground & TDI Full Cave Diver

The TDI full cave course is a complete training program aimed at providing you the tools to execute safe cave dives around the world, the cave course is designed to develop the minimum skills and knowledge for cave diving and overhead environment diving passed the natural light zone to the limit of double tanks, Sidemount tanks and the limit of you rebreather bailout, training is conducted in full cave equipment, backmount or sidemount or rebreather. The Cenotes of Mexico provide a great place to spend hours in the shallow warm clear waters working on your cave skill set in your quest to becoming a cave diver. At Mexico Underground our cave course are only taught by experienced full cave instructors, as its best to mentored by someone with an in-depth knowledge of cave diving at this level.

The TDI full cave diver course in not intended to provide instruction for all cave diving environments, as experience is always gained progressively you may select to combine the full cave class with cavern, into cave or sage cave diver class over a 6-9 day period.

The objective of this course is to train divers in the proper planning; procedures, techniques and hazards of cave diving with further penetration and multiply scenarios you realistically may face while cave diving. Including cave control, balance & Buoyancy, finning techniques, line and reel use, technical back mount or Sidemount or rebreather configuration and setup, basic drills for loss of visibility and loss of line and complex navigation in the cave system are all coved in our curriculum.

At Mexico Underground we run the full cave course over 4-5 days, 9 days if combined with Cavern diver if you am to certify as a TDI Full Cave diver.

The class fee includes all logistics and training materials, we highly recommend purchasing and owning your own equipment for cave diving but can rent cave equipment to students if required for use during your cavern and cave training.

After taking and completing my TDI Full Cave Diver certification what can I do next?

TDI Stage Cave diver
And ranges of cave diving specialties including: Cave DPV, diver, and survey cave diver.


  • 5 Day of Training
  • 8 Training Dives
  • Online Learning
  • Gases (Air/O2 & Bailout)
  • Transport to the caves
  • Snacks & Refreshments
Breathing System
– Backgas Reg Set.
– Sidemount Reg Set
– CCR. Rebreather
Deco Regulators
Stage Bailout Regulators
Mask + Back up Wetnote Book or Slate
Dive computer & Bottom Timer Compass
Appropriate exposure suit
Suit – Hoot – Boots – Drysuit
Full Bladded Fins.
Preferable with Spring Heel Straps
Wing / Backplate / Sidemount System
2 Cutting Tools Complete Rebreather for Rebreather Training.
PRIMARY DIVE LIGHT 2 Back up Dive Lights
Primary Reel 330ft./100m. 2 x Spool
3 x Line Markers Helmet / Sidemount
Student Prerequisites TDI FULL CAVE Course: FULL CAVE
MINIMUM AGE Be a minimum age of eighteen (18)
MIN DRIVER LEVEL Intro to Cave Diver
AMOUNT OF DIVES 50 logged Divers
COURSE DURATION 4-5 days including 8 cave divers to a maximum depth of 130fsw/40msw
EQUIPMENTS / SYSTEM Open Circuit twin set. Sidemount and Rebreather