#11 of 129 · Things to do in Tulum

Cenotes Dos Ojos

  • Visit: 90–210 min

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About

Cenotes Dos Ojos is a flooded cave system north of Tulum, on the Caribbean coast of Mexico’s Yucatán Peninsula.

Why go

  • Snorkeling and cavern diving in the cenotes, plus snorkeling at the adjacent Bat Cave cenote.
  • About 82 km of surveyed passages connect through 28 known cenote entrances.
  • Part of Sistema Sac Actun, described as the world’s longest known underwater cave system.

Don't miss

  • The two neighbouring cenotesDos Ojos means “two eyes”: the cenotes share a large cavern zone.The two cenotes that give Dos Ojos its name.
  • Bat Cave cenoteSnorkel at this adjacent cenote.Beside the two namesake cenotes.

Shorts

Interesting facts8

1/8
  1. Marine water enters the cave system naturally, and its cenotes experience tidal effects.

    Sistema Dos Ojos - Wikipedia
  2. Deeper seawater lies beneath fresh and brackish water.

    Sistema Dos Ojos - Wikipedia
  3. Dye tests showed significant water flow toward Caleta Xel-Ha lagoon.

    Sistema Dos Ojos - Wikipedia
  4. Researchers have not found the system’s connection to the coastal karst spring.

    Sistema Dos Ojos - Wikipedia
  5. Several fish varieties live in the cavern, mostly under 10 cm long, along with at least two kinds of freshwater shrimp.

    Sistema Dos Ojos - Wikipedia
  6. Blind cave fish live beyond the daylight zone.

    Sistema Dos Ojos - Wikipedia
  7. Two remipede species have been found where waters of different salinity meet.

    Sistema Dos Ojos - Wikipedia
  8. Finds in the caves include gomphotherium remains, burned human bones, pottery and wall paintings.

    Sistema Dos Ojos - Wikipedia

History

  1. 1980sDivers began exploring the system through the two namesake cenotes; exploration continues.
  2. 1996The Pit was discovered; the deepest known cave passage in Quintana Roo reaches 119.1 m here.
  3. 2005Parts of the film The Cave were shot in the cave system.
  4. 2006The cave system appeared in the BBC/Discovery Channel series Planet Earth.
  5. 3 November 2010Carlos Coste swam 150 m underwater on one breath, setting a Guinness World Record.
Show all
  1. August 2012A dry passage linking the system to Sistema Sac Actun was found.
  2. January 2018Explorers found a connection to Sistema Sac Actun.

Tips for your visit

  • Guided cavern dives usually comprise two 45-minute dives with a 60-minute surface interval.
  • Underwater visibility depends largely on available light.

Sources: Sistema Dos Ojos - Wikipedia · Sistema Dos Ojos - Wikipedia · checked 29 Sep 2026

Where
Tulum

Plan from here: Evening walk →

Questions and answers

Can you snorkel or dive at Cenotes Dos Ojos?

Visitors snorkel and cavern dive in the cenotes. Snorkeling is also available at the adjacent Bat Cave cenote.

How warm is the water at Cenotes Dos Ojos?

The water stays at 25 °C year-round.

How deep is the water near the Cenotes Dos Ojos cenotes?

The maximum depth near the cenotes is about 10 m.

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