With the participation of scientists, technicians, students, fishermen, farmers, rural promotors and administrators, together with regional and international partners, have successfully carried out more than 200 conservation projects basing all conservation actions on scientific and technical information for planning and implementing environmental policies and the proposal of viable solutions for sustainable use of natural resources and focusing their efforts established within eight protected natural areas that include the reefs of Banco Chinchorro, and Xcalak at South of Quintana Roo, Sian Ka'an Biosphere Reserve, Cancun, the island of Cozumel that is located in front of Xcaret and Contoy Island up North, covering 780,000 acres (3,200 km2). These areas lie in parts of all seven Caribbean Sea coastal municipalities of the state, with the largest part being in eastern Felipe Carrillo Puerto Municipality, where the vast majority of Sian Ka'an Biosphere Reserve lies.