The Protected Area of Flora and Fauna "Laguna de Términos" has a total area of 706.147 hectares, with 49.87% of land area and 50.13% of water surface.

In terms of flora have been identified 84 families with a total of 374 species, three threatened, one endangered, and four with special protection requirement.

The lagoon is habitat for shrimp, sea bass, bream, dogfish, oysters, turtles and dolphins. It also has mangrove forests, that are good for to the breeding of birds such as storks and reptiles as boas, iguanas, turtles and crocodiles. The area is also home for ocelots, raccoons and manatees.