Aquanauts Dive Rite Tek Center Mexico - Offering scuba diving, cenote and tek diving, PADI and NAUI instruction, with locations in Puerto Aventuras and Xpu-Ha. - http://www.aquanauts-online.com/
Mayakoba Golf Classic - Information on PGA tour event at El CamaleĆ³n golf course. - http://www.shark.com/gnpc/mayakoba_golf_classic.php
Ocean Quest Dive Center - Ocean and cave diving from Cozumel and Playa del Carmen. They list destinations and classes. - http://www.playascuba.com
AquaWorld - Snorkeling, scuba, jetski tours, and other water activities in Cancun and Cozumel, with transfers from other sites on the coast. - http://www.aquaworld.com.mx/
Punta Pelicano Flyfishing Lodge - Ascension Bay. Information on accommodations, guides, and packages. - http://puntapelicano.com/
Xcaret Cancun - Ecological park and Mayan-themed family entertainment center located near Playa del Carmen with tours and online reservations. - http://www.xcaret.com/
Xel-Ha - A water park near Tulum describes their dolphin swims, snorkeling, and other activities. - http://www.xel-ha.com
Scuba Mex Dive Shop - Dive shop located at Paamul, near Playa del Carmen, offering reef and cavern diving, dive instruction. - http://www.scubamex.com