Xel-Ha in the Riviera Maya: The Natural Wonder You Cannot Miss
Xel-Ha is a natural inlet where underground rivers meet Caribbean Sea creating "world's largest natural aquarium"—35 miles (45 min) south of Playa del Carmen, 15 min north of Tulum. All-inclusive admission covers water activities, snorkel equipment, unlimited food/drinks with alcohol. Visibility exceeds 100 ft with hundreds of tropical fish.