Park & nature

Sistema Sac Actun

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Sistema Sac Actun is a vast underwater cave system stretching over 370 kilometers, making it one of the longest in the world. It features a network of flooded caverns and cenotes with exceptionally clear waters, stalactites, and stalagmites. Visitors can snorkel in open cenotes like Gran Cenote or dive into the cave passages for a surreal experience. The system is home to unique geological formations and ancient fossils, offering a glimpse into the region's subterranean wonders. Guided tours are essential for safety and to appreciate the cave's scale.

Don't miss

  • Gran Cenote: a popular open cenote with turquoise water and easy snorkeling access
  • Cave diving in the Dos Ojos section: see dramatic stalactite formations and haloclines
  • Fossilized marine life embedded in cave walls, evidence of the area's prehistoric seabed

Tickets & tours

Ways to visit Sistema Sac Actun

You can explore Sistema Sac Actun at your own pace. A tour is worth it mainly for transport, or for pairing it with nearby sights in one day.

Getting there

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