Scuba Diving and Snorkeling

Almost Heaven Adventures. The oldest dive shop in the area is the only one owned and operated by locals. Options here include reef and wreck diving; night tours are especially popular in summer, so book at least a day in advance. Almost Heaven Adventures also has snorkeling trips. Av. Javier Rojo Gómez, Mza 2, Lote 10, Puerto Morelos, Quintana Roo, 77580. 998/846–8009 or 998/871–0230. www.almostheavenadventures.com. Snorkeling from M$745, diving from M$948.

Diving Dog Tours. Snorkeling trips at various sites on the Great Mesoamerican Reef are organized by Diving Dog. Av. Jose Ma. Morelos, Puerto Morelos, Quintana Roo, 77999. 998/848–8819. www.puertomorelosfishing.com. M$406.