Riviera Maya (Quintana Roo) · about 12 km from Akumal
Nai Tucha (K'oox Baal / Tux Kupaxa)
- Max depth15 m (49 ft)
- CertificationIntro to cave (first section)
- Water temperature≈ 24–25 °C (75–77 °F)estimated, no reports yet
- SpecialDPV-suitable
Diving and fills
Dive here with
Fills nearby
- Akumal Dive CenterNitrox; trimix and CCR courses on the site — ask about O₂/He fills
- ProTec TulumAir, EAN32, O₂ up to 200 bar, trimix on request (booster); Sofnolime 797 always in stock
- Third Dimension DivingEAN32, HP O₂, deco gases and any trimix (booster); Sofnolime 797 and Intersorb; prefilled trimix bailout for rent
What it looks like
Cenote Nai Tucha – Tulum, Mexico | Mastodon Bones Cave Cave Diving!!!! Cenote Nai Tucha! MASTADON BONES!!! Tulum MX Cave diving Mexico DPV CENOTE NAI-TUCHA Cenote Nai Tucha, Mexico
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Videos and posts
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Cenote Nai Tucha – Tulum, Mexico | Mastodon Bones Cave Cave Diving!!!! Cenote Nai Tucha! MASTADON BONES!!! Tulum MX Cave diving Mexico DPV CENOTE NAI-TUCHA Cenote Nai Tucha, Mexico
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Other people's footage, not advice: how someone else dives here says nothing about what suits your team. Dive within your training.
The dive
The main line starts in open water. After about 20 min you reach jumps to INAH bone sites (mastodon) and air domes. The cave is heavily decorated.
Part of Sistema K'oox Baal. Also in this system: Coop One (K'oox Baal), Tres Estrellas (K'oox Baal)
Profile and sections
The main line starts in open water. After about 20 min you reach jumps to INAH bone sites (mastodon) and air domes. The cave is heavily decorated. Without a stickmap, take the first T left. At the archaeological sites, touch nothing. Scooters and stages are common here.
The K'oox Baal system (Maya: ‘wild thing’), formerly Tux Kupaxa ('the playground'), was connected to Mother of All Cenotes in 2025 (>120 km). Sistema K'oox Baal has 103.1 km surveyed, down to -26.2 m (QRSS, Jan 2025).
Practical: arrange dives with the ranch owners; fee unknown.
- Depth and profile
- Down to about -15 m
- Intro level
- The main line from the open water, without the jumps to the bone sites and air domes.
- Configuration
- Large passages; all configurations
- DPV: DPV-suitable
- Massive, decorated passages in the >100 km K'oox Baal system; scooters and stages widely used
Who can dive where
- At least Full cave
- Cavern zone / easier part: at least Intro to cave
- Configurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
- Goes down to 15 m (trimix or deco may be needed)
This is how the planner decides who in your team may dive this cave. Rules your own trip adds (organizer, a mail, the AI) show with your trip.
How to get there
From Chemuyil about 30 min of decent dirt road; turn left at the four-way junction (20.3736, -87.4105), through the ranch gate, past Coop One and Tres Estrellas. Last stretch to the car park steep and rocky: a 4x4 helps, otherwise drop the gear and park lower. Map pin = car park (opencaves.info).
Around Nai Tucha (K'oox Baal / Tux Kupaxa)
Fills3 fill stations · nearest 12 km
Akumal Dive Center
Carretera 307 km 104, Akumal
Nitrox; trimix and CCR courses on the site — ask about O₂/He fills
Daily 8–17
On the beach at Akumal. Since 1975; mainly reef and cenote diving, tec offer via course pages. Not to be confused with the Akumal Dive Shop next door.
ProTec Tulum
Av. Satélite / Calle Tun-Kul, Tulum
Air, EAN32, O₂ up to 200 bar, trimix on request (booster); Sofnolime 797 always in stock
Daily 8–19
Rental of CCR, scooters, sidemount and double cylinders; CCR room for 14 units. ProTec Playa merged into Tulum in 2026. Keys for Xa'ay Ha (Chi Keen) and Doggi/Style (Muyil) are collected here.
Third Dimension Diving
Calle Chemuyil Mz 14 Lt 01, Mayapax, Tulum
EAN32, HP O₂, deco gases and any trimix (booster); Sofnolime 797 and Intersorb; prefilled trimix bailout for rent
Unknown — call
Rental of backmount, sidemount, CCR cylinders, Suex scooters and stages. In Tulum (Mayapax neighbourhood, west of the 307).
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