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Dive #670 · Sunday, 22 February 2026 · 10:45–12:04

Cenote Mayan Blue (Escondido)

dead zone Tulum, Quintana Roo The Quintana Roo cenotes

cave

Profile
Max depth
20.8 m
Avg depth
13.5 m
Bottom time
78 min
Water
25 °C

Kit

Gas
Nitrox 32
Cylinder
1x D80
Mode
Open circuit
Safety stop
2 min

Where

Cenote Mayan Blue (Escondido)

cave part of Sistema Ox Bel Ha site max 23.8 m

The most-dived cenote in this log — twenty-one dives — and an entrance to Ox Bel Ha, the longest underwater cave in the world at nearly 500 km.

Dive 21 of 21 here · first 2022 · last Feb 2026

On the map

Mayan Blue cave lines

No route marked

37 m42 m32 m36 m30 m37 m34 m34 m32 m31 m30 m35 m43 m37 m30 m30 m31 m30 m38 m41 m38 mCenote Mayan BlueF tunnel↓10.7 m↓16.8 m↓18.3 mA tunnel↓15.2 m↓18.3 mBattleship Room→ Cenote Naharón, 854 m beyond (sheet edge)↓15.2 mC tunnel↓21.3 m↓16.8 m↓22.9 m↓22.9 m↓22.9 mMajor restriction · 581 m↓24.4 mE tunnel↓22.9 m↓22.9 mK tunnel↓13.7 m↓21.3 mB tunnel↓21.3 m↓19.8 m↓24.4 m↓24.4 mTime TunnelThe Dead Zone↓15.2 m↓18.3 m↓21.3 mThe Dead Zone↓18.3 m↓18.3 mLost Cenote↓18.3 mThe Tubes · silty↓19.8 m↓15.2 mCenote of the Sun→ Muknal↓24.4 m↓16.8 m↓18.3 mThe BallcourtMaya's Two Cenote↓13.7 mHostage Hall↓27.4 m↓22.9 m↓21.3 m↓12.2 mSunhole CenoteDeath Arrow Passage↓22.9 mN50 m
  • Entrance
  • T
  • Jump
  • Restriction
  • End of line
  • Shoreline
  • Jump (no line)
  • Depth
  • Along the line

Profile

ZHL-16C GF · GF 50/85 · Perdix #670

0 m6 m11 m17 m22 m0′16′33′49′65′82′26 °C25 °C
Avg depth
13.5 m
Deepest at
15:40
Descent
10.2 m/min
fastest
Ascent
8 m/min
fastest
Samples
491
every 9.6 s
depth water temperature hover or touch the chart for the computer's readout

From dive computer (record #670); never logged on paper; site and tanks from the 2026 trip list; tanks 1x D80

All dives at Cenote Mayan Blue (Escondido) →