Riviera Maya (Quintana Roo) · about 7 km from Tulum
Zacil-Ha (Luke's Hope)
- CertificationFull cave
- Water temperature≈ 24–25 °C (75–77 °F)estimated, no reports yet
Diving and fills
Dive here with
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Fills nearby
- 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
- Ko’ox Diving (Tulum)Air, nitrox, O₂ and helium mixes (He about US$2/cf)
What it looks like
Cave Divers go to The Room of Tears @Zacil-Ha | Tulum, Mexico | Ko'ox Adventures Aktun Ha (Car Wash) & Zacil Ha Cenotes - Cave Diving Mexico Phil diving in Zacil Ha Sidemount diving in Cenote Zacil Ha
All 4 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.
Cave Divers go to The Room of Tears @Zacil-Ha | Tulum, Mexico | Ko'ox Adventures Aktun Ha (Car Wash) & Zacil Ha Cenotes - Cave Diving Mexico Phil diving in Zacil Ha Sidemount diving in Cenote Zacil Ha
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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
From the swimming basin you reach the Car Wash main line, heading towards the Room of Tears. Zacil Ha (Maya: ‘clear water’), also Zazil Ha, is mainly interesting as an alternative entrance to Car Wash.
Part of Sistema Carwash. Also in this system: Car Wash (Aktun Ha)
Profile and sections
From the swimming basin you reach the Car Wash main line, heading towards the Room of Tears. Zacil Ha (Maya: ‘clear water’), also Zazil Ha, is mainly interesting as an alternative entrance to Car Wash. It is part of Sistema Carwash: 3.2 km surveyed, down to -26.5 m (QRSS, Jan 2025).
Practical: ask whether diving from here is allowed.
- Depth and profile
- Shallow (Car Wash/Aktun Ha system; max depth unknown)
- Configuration
- All configurations (same passages as Car Wash)
- DPV: DPV possible (estimate)
- Mainly a back door to the Car Wash main line; the Room of Tears route has restrictions (sidemount). Check diving is allowed
Who can dive where
- At least Full cave
- Configurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
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
Tulum–Cobá road, about 8 km from Tulum, close to Car Wash. Busy swimming cenote with facilities, open 9:00–17:00, fee about 300 MXN.
Around Zacil-Ha (Luke's Hope)
Fills3 fill stations · nearest 7 km
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).
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 3 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.
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