Links for Visitors to the Mayan Riviera

Aktun Chen -- Take part in guided walking tours of well-lit underworld caverns that serve as portals to an unseen world. Located fifteen minutes south of Puerto Aventuras in a pristine nature reserve.
URL: www.aktunchen.com

Hidden Worlds -- Experience world-famous snorkel and scuba diving tours of cenotes, grottos, and underground rivers featured in the IMAX movie, "Journey into Amazing Caves", and the science fiction thriller, "The Cave".
URL: www.hiddenworlds.com.mx