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Zapote (Hells Bells)

Riviera Maya (Quintana Roo) · about 26 km from Playa del Carmen

Zapote (Hells Bells)

  • Max depth54 m (177 ft)
  • CertificationOpen water / no overhead
  • Water temperature≈ 24–25 °C (75–77 °F)estimated, no reports yet
  • SpecialOpen water with a cavern guide (CREER 4)

Diving and fills

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Fills nearby

  • GoDiveMEX~36 min drive (estimate)Nitrox, trimix and oxygen
  • Dive Rite Mexico (ZOTZ)~37 min drive (estimate)Air, nitrox (EAN32, EAN50), oxygen and trimix (trimix on quote)
  • Zero Gravity~54 min drive (estimate)'Mixed gas fills' — ask which mixes exactly (trimix, O₂, sorb)
All fill stations and places to stay ↓

What it looks like

All 5 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.

Search for more onYouTube ↗Instagram ↗Facebook ↗

Other people's footage, not advice: how someone else dives here says nothing about what suits your team. Dive within your training.

The dive

Zapote is not a cave but a deep sinkhole with unique bell-shaped 'Hells Bells' formations (biothems). The water is fresh and very clear above the H₂S layer.

The best and deepest bells are at -36 to -46 m, below the H₂S layer: that is a deco/trimix dive (ProTec dives it on 21/25 with 50% and O₂).
Profile and sections

Zapote is not a cave but a deep sinkhole with unique bell-shaped 'Hells Bells' formations (biothems). The water is fresh and very clear above the H₂S layer.

According to the QRSS (Jan 2025) it goes down to -51.8 m, with 301 m surveyed. Zapote is Maya for ‘chicle tree’.

Practical: CREER level L4 (expert). Fee about 350 MXN (450 for two dives) + 350 MXN camera. Same road as Kin Ha.

Depth and profile
Hourglass: pinch about -20 m, bell about -27 m, H₂S layer about -30/-33 m, largest bells -36 to -46 m, bottom about -54 m
Intro level
Standard dive to about -30 m along the upper 'bells' and the H₂S layer; the rest is technical.
Configuration
All configurations; open shaft without flow
DPV: Not DPV-suitable
Hourglass-shaped open sinkhole (Hells Bells) with no cave passage to travel; a scooter adds nothing
Who can dive where
  • CaveAt least Open water / no overhead
  • Cavern zoneCavern zone / easier part: at least Intro to cave
  • Cavern zoneCavern zone / easier part: at least Open water / no overhead
  • Whole caveConfigurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
  • Whole caveGoes down to 54 m (trimix or deco may be needed) · doesn't decide who may dive
Entry or dive feeOpen water with a cavern guide (CREER 4)

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.

Cave map

How to get there

Ruta de los Cenotes, about 20 km west of Puerto Morelos, then 6–8 km of gravel road (ground clearance needed). Parking, toilets, showers, jump platforms. Guides are usual; AOW minimum.

Plan your route ↗

Around Zapote (Hells Bells)

Fills3 fill stations · nearest 25 km
  • GoDiveMEX

    ~36 min drive (estimate)

    Calle 6 Norte esq. Calle Diagonal 55 Sur, Mz 12 Lt 2, Ejido, Playa del Carmen

    Nitrox, trimix and oxygen

    Daily 7:30–19:00 (InDEPTH business directory)

    Recreational and technical dive centre in Playa del Carmen with gas blending, scooter rental, gear storage and classrooms; you can join local research and exploration projects there.

  • Dive Rite Mexico (ZOTZ)

    ~37 min drive (estimate)

    Carretera Federal 307, Mz. 293 Lt. 1, Col. Ejidal, 77710 Playa del Carmen

    Air, nitrox (EAN32, EAN50), oxygen and trimix (trimix on quote)

    Mon–Fri 8:00–17:00, Sat 8:00–14:00, Sun closed

    Official Dive Rite store in Mexico. Cave courses from cavern to full cave, also sidemount, stage, scooter, trimix and CCR cave. Guided cave dives on open circuit (at least Intro to Cave) and CCR (CCR Cave), at most 3 divers per guide; the centre can't guarantee specific caves in advance.

  • Zero Gravity

    ~54 min drive (estimate)

    Carretera 307 km 269,5, Puerto Aventuras

    'Mixed gas fills' — ask which mixes exactly (trimix, O₂, sorb)

    Daily 7:30–19:00

    Nearest centre. Rental and servicing, also lodging. Arranges access to Otoch Ha (Nariz) and La Concha.

Where to sleepAround Playa del Carmen on Booking.com ↗

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Other sites6 within 40 km

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Sources, sharing and disclaimer

Current conditions

Visibility, flow and water levels change quickly. Right before your dive, check what other divers report:

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Certification requirements, configurations and trimix depths are estimates for planning. Always check them locally and dive within your training. Compiled from web research (CREER, cave-ha.com, opencaves.info, PSAI/QRSS, dive centres; Sept 2026). Map pins are Google Maps or opencaves.info locations (usually the entrance/car park); Ho-Tul, Camilo, Odyssey and Aerolito (Cozumel) have no pin, the Muyil pins are estimates. Drive times are calculated by road for each stay (OSRM, OpenStreetMap; normal traffic, spot-checked against Google Maps within about 4 min); ~ = estimate. Rules, status and fees change often — check locally.