Riviera Maya (Quintana Roo) · about 10 km from Tulum
Laguna Kaan Luum
- Max depth80 m (262 ft)
- CertificationOpen water / no overhead
- Water temperature≈ 24–25 °C (75–77 °F)estimated, no reports yet
Diving and fills
Dive here with
Fills nearby
- Third Dimension DivingEAN32, HP O₂, deco gases and any trimix (booster); Sofnolime 797 and Intersorb; prefilled trimix bailout for rent
- ProTec TulumAir, EAN32, O₂ up to 200 bar, trimix on request (booster); Sofnolime 797 always in stock
- Ko’ox Diving (Tulum)Air, nitrox, O₂ and helium mixes (He about US$2/cf)
What it looks like
All 2 videos and posts
Videos and posts
From other divers, via YouTube, Instagram and Facebook. They only load when you click; after that, Google's or Meta's privacy rules apply.
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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
Kaan Luum is not a cave but a dark sinkhole in the middle of a lagoon, used for deep (CCR) training and freediving. The name is usually translated as ‘yellow earth’.
Profile and sections
Kaan Luum is not a cave but a dark sinkhole in the middle of a lagoon, used for deep (CCR) training and freediving. The name is usually translated as ‘yellow earth’.
Practical: only with local guides.
- Depth and profile
- Shallow lagoon (1–2 m) with a central shaft of about -72 to -80 m (sources differ)
- Configuration
- All configurations; vertical shaft, no cave
- DPV: Not DPV-suitable
- Vertical sinkhole to ~80 m in a lagoon, no cave passage to travel; only with local guides
Who can dive where
- At least Open water / no overhead
- Configurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
- Goes down to 80 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
About 13 km south of Tulum on Hwy 307; short jungle walk and wooden bridge. The deep centre is fenced off. Diving only with local guides: the owners no longer really want divers there. Lagoon open 9:00–16:00; no chemical sunscreen/DEET.
Around Laguna Kaan Luum
Fills3 fill stations · nearest 10 km
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).
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.
Ko’ox Diving (Tulum)
Tulum
Air, nitrox, O₂ and helium mixes (He about US$2/cf)
Daily 7:30–21:00
Fills CCR, stage and double cylinders; cave gear for rent. Card payment accepted. The site also lists a Puerto Aventuras branch (Hwy 307 km 269.5, 7:30–21:00), but it is not on Google Maps — ask whether it exists and fills.
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Other sites6 within 4 km
News
All (5)
Nearby
Articles about cave diving that name a place within 25 km of this site, but no cave by name. They're not necessarily about this site.
- A Diver Found a Skeleton at Least 8,000 Years Old Hidden 26 Feet Underwater in a Flooded Cave in Mexico ↗
- Cave-divers find trapped spearfisher alive after 15 days ↗
- Cave diving is fraught with danger, but the reward is sights like nothing else on Earth ↗
- INAH files legal complaint for diver damage to underwater archaeological site in Tulum cave ↗
- A Diver Found 8,000-Year-Old Human Remains Deep Inside an Underwater Cave ↗
Access and rules change: check what applies locally right before your trip. Source: GDELT Project and the news feeds of diving magazines. Search for more news ↗ Searched automatically, last on 11 Nov 2026.
More of the latest in Riviera Maya (Quintana Roo, Mexico): conditions, closures and news →Going to the Riviera Maya with your team?
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