Río Secreto

A vast system of underground rivers flows through the limestone earth of the Yucatán Peninsula, with the largest found just south of Playa del Carmen. The Río Secreto allows visitors an exhilarating chance to walk, wade, and float through a massive network of subterranean chambers.

Río Secreto is one of a number of attractions along the Riviera Maya promoting themselves as family-friendly theme parks. Despite rave reviews, we almost avoided it for this very reason. “A special adventure in Secr...