Technical · Caves · Rebreather

Deeper.
Farther.

For divers who already have the basics down and want to go where almost nobody goes: decompression, trimix, caves and closed circuit.

See the paths Technical and cave trips

Photo · Luis Sánchez

Paths

Choose your path

TechnicalDeeper, longer

IANTD EssentialsUS$250Tec 40 · Advanced NitroxUS$400Deep Diver (Technical)US$1,000TrimixUS$1,000

Opens the door toDives from 180 to 300 ft with less narcosis

CavesCenotes and cave systems

SidemountUS$370Apprentice Cave DiverUS$700Cave DiverUS$700orApprentice + Cave Diver PackageUS$1,200

Opens the door toCaves and cenotes of Quintana Roo

RebreatherClosed circuit (CCR)

Rebreather CCR O2PTIMAUS$1,200Full Cave RebreatherUS$1,400Tek Rebreather Cave DiverUS$1,000

Opens the door to4 to 6 hour dives, in caves and deep

Deep rebreatherTrimix on closed circuit

Rebreather CCR O2PTIMAUS$1,200CCR Normoxic TrimixPrice TBCCCR Hypoxic TrimixPrice TBC

Opens the door toTo 55 m on normoxic trimix and 100 m on hypoxic

WrecksWreck diving and penetration

Wreck DiverUS$180Advanced Wreck (TDI)US$600

Opens the door toExploring inside sunken ships with redundant equipment

What you learn

Each course, a new tool

Tec 40Two tanksDown to 130 ft (40 m) with short decompression and dives of almost 2 hours. Requirement: advanced diver with Enriched Air.

TrimixHelium mixesDives between 180 and 300 ft with less narcosis, for experienced technical divers.

CavesUnder the roofFor technical divers with experience in doubles or sidemount. You start with the most critical skills.

CCRNo bubblesElectronic mixed-gas rebreather: 4 to 6 hours of autonomy at any depth.

SidemountTanks on your sidesMore comfortable and easier to gear up in the water, with better gas management. It is the foundation for cave diving.

WrecksSunken shipsNavigation, reels and lines to explore wrecks safely, up to penetration with redundant equipment.

Coming from another agency?

PADI · TDI · IANTD equivalents

If you already hold a technical certification from another agency, here is how the levels compare. Write to us and we will tell you which course comes next.

Level	PADI	TDI	IANTD	Limits
Entry	Tec 40	Advanced Nitrox	Advanced Nitrox	40 m · limited decompression
Intermediate	Tec 45	Decompression Procedures	Technical Diver (first stage)	45 m · 1 stage bottle
Advanced	Tec 50	Extended Range	Technical Diver	50–55 m · 2 mixes
Normoxic trimix	Tec 65 / Trimix 65	Normoxic Trimix / Tmx 60	Normoxic Trimix	60–65 m · helium, min. 18% O₂
Hypoxic trimix	Tec Trimix	Advanced Trimix	Trimix Diver	100 m · less than 18% O₂