Sac Actun, “white cave” in Maya, is the longest flooded cave system in the world, with more than 370 km explored, near Tulum. Its caverns are full of ancient stalactites and stalagmites, offering an unforgettable snorkeling and cavern-diving experience.
What to see and do
- Spectacular caverns – formations thousands of years old.
- Guided snorkeling – among stalactites and light beams.
- Cavern diving – for certified divers.
Why it is special
Being the longest underground system on the planet makes it a geological must-see and a window into the Maya underworld.
How to visit
It is near Tulum, in the same area covered by our Tulum, Cobá & cenote tour. Book with Cancun Bay Tours with pickup at your hotel.
Useful links
Swim in the cenotes of the Riviera Maya
We include cenotes on our Tulum & Cobá tours from Cancún.
See the Tulum, Cobá & Cenote Tour → · 4x1 Tulum, Cobá, Cenote & Playa Tour
This cenote is visited on your own and is not part of our tours. If you want a tour with a cenote in the Tulum area, we run the Dos Ojos & Gran Cenote Tour and the Tulum, Cobá & Cenote Tour. And while you are in Tulum, do not miss the Tulum ruins.
