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Swimming inside an ancient underground cenote is unlike anything else in the Caribbean. Cozumel's Jade Cavern is accessible by Jeep or ATV and combines perfectly with a full island adventure day.
A cenote (pronounced seh-NO-tay) is a natural sinkhole that exposes groundwater underneath limestone terrain. The Yucatan Peninsula, which includes Cozumel, sits on a massive porous limestone shelf with an extensive network of underground rivers running beneath it. When the thin limestone ceiling collapses, it reveals a pool of pristine freshwater that has been filtering through rock for thousands of years.
The result is water so clear it looks like glass, often with a slight blue or green tint from mineral content and the way light filters through the opening above. Temperature stays remarkably constant year-round at around 72–75°F , which is refreshingly cool on a hot Cozumel afternoon.
Cenotes come in several forms: open (completely exposed to the sky), semi-open (partially covered), and cave cenotes (entirely underground). Cozumel's Jade Cavern is a semi-open cenote with a dramatic cavern entrance and partial sky opening that creates a stunning play of light on the water.
Cenotes were considered portals to Xibalba, the Mayan underworld. They were sites of ritual offerings, ceremonies, and in some cases human sacrifice. The Maya depended on cenotes for fresh water, making them both spiritually and practically vital.
The word comes from the Yucatec Mayan word ts'onot, which means 'well.' The Spanish colonizers adapted it to 'cenote.' There are an estimated 6,000 to 10,000 cenotes across the Yucatan Peninsula.
Cenotes form when limestone bedrock collapses, exposing the underground freshwater rivers beneath. The Yucatan Peninsula sits on one of the world's largest underground river systems, which feeds the cenotes and keeps them crystal clear and cold year-round.
Cozumel's Jade Cavern is a semi-open cenote with dramatic stalactites and a vivid jade-green tint to the water from mineral content and light refraction. Unlike mainland cenotes, it remains relatively uncrowded and retains an authentic, undeveloped character.
Explore the island by open-top Jeep convoy, visiting the east coast, jungle roads, and Punta Sur before arriving at the Jade Cavern cenote for a swim. Ideal for families and groups who want a full-day island adventure with the cenote as the highlight.
Combine ATV riding, Jeep exploration, and a cenote swim in one packed adventure day. You'll cover more ground than almost any other tour on the island, experiencing Cozumel from multiple perspectives before cooling off underground.
72–75°F / 22–24°C year-round
Ranges from 3 to 30+ feet depending on area
Basic swimming recommended; life vests available
Exceptional — often 50–80 feet underwater
Steps or natural rock entry into the water
Approximately 45–60 minutes at the cenote
Swimsuit (under clothes), water shoes, waterproof camera
Regular sunscreen (damages the ecosystem — biodegradable only)
Swimming in the Jade Cavern is one of the most unique experiences available on any Cozumel port day. Combine it with a Jeep or ATV tour for the full island adventure.
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