Cenotes
There is nothing like exploring a cool, fresh water cenote on a hot tropical day. Cenotes are natural sinkholes with beautiful underwater rock formations and were a very important part of the ancient Mayan civilization's culture. The ancient Mayans believed hidden cenotes were sacred portals to the underworld. Given the dark, eerie surroundings and stalactites dripping from above, it's easy to see how these subterranean caves inspired the paranormal awe.
These are some of the best and colorful cenotes, some are closer and others are far from Playa Del Carmen: Cenote Chaak Tun, Azul, Hubiku, Agua Dulce, Suytun.