Where is the cave where sharks sleep?
Where is the cave where sharks sleep? The Cave of the Sleeping Sharks (La Cueva de los Tiburones Dormidos), Isla Mujeres. About a 30-minute boat ride from Isla Mujeres is a phenomenon that captured the world's attention. Sharks, thought to be sleeping, were found in caves by a local lobster fisherman, La Valcula.
Is it safe to swim in Mexico?
Yes, it is safe using good judgment that you'd use in any ocean. Don't drink the tap water in Mexico.