Sian Kaan Biosphere (Where the sky is born) was included by UNESCO on “Man and the Biosphere” in 1897, as a single site which hosts a variety of plants and animals, which is the largest protected area in the Mexican Caribbean.
In it are about 23 archaeological sites and have found pottery and other objects dating back to about 2, 300 years BC. It houses 103 species of mammals like the jaguar, puma, ocelot, marguay the jaguarondi, including howler monkeys and is the nesting area of 336 species of birds, besides the months of August Mayan can be seen nesting beaches for four species of turtles considered endangered.
Front of the reserve extends 47.5 k of the second largest barrier reef in the world and the fishermen of this region offer guide services is another source of income for them, giving visitors a tour inside the reserve for see the coral reef and lagoon system.
With only 2 000 inhabitants who mostly live in Punta Allen and Punta Herrero, the reserve can be accessed through five innings: Pulticub, Santa Teresita, Chumpon, Chunyaxché and Chac Mool. Park rangers employed by the SEMARNAT, are in each of the entries to ensure compliance with the regulations within the reserve. There is an entrance fee of about $ 3 dls.