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Diving in Isla Mujeres, especially near the southern point close to Mancohes Reef, will definitely be an amazing and unforgettable experience. Isla Mujeres diving is one of the main attractions on this wonderful island, in part because of the site of the Cruz de la Bahia, a large cross submerged to celebrate the 140th anniversary of the foundation of Isla Mujeres town and home to large schools of tropical fish.
On the other side of the island, where the continental plateau lies deeper, you'll find many interesting shipwrecks to explore and you can meet the new and exotic crew. The Ultrafreeze and the Navy Boat are especially attractive and recommended for advanced divers.
Towards the north of the island is Sleeping Sharks Cave, a truly fascinating site. Sharks don't sleep because they don't have a gas filled organ that allows fish to stay still when they stop swimming. If sharks stopped swimming they would sink to the bottom and would ultimately drown, therefore they are condemned to perpetual motion. But in this area of Isla Mujeres the current is intense and it is also mixed with fresh water among the canyon shaped reef. In these conditions, the high metabolic oceanic sharks can stop moving trusting the oxygen supply to come from the current, and the low salinity of the water actually cleans them of parasites. They fall into a kind of lethargic daze that allows divers to approach without danger.
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