Belize is on the Caribbean coast of northern Central America. It shares a border on the north with the Mexican state of Quintana Roo, on the west with the Guatemalan department of Petén, and on the south with the Guatemalan department of Izabal. To the east is the Caribbean Sea. The Belize Barrier Reef is along most of the of predominantly marshy coastline. Belize have the second largest living barrier reef in the world. The area of the country totals . There are many lagoons along the coasts and in the northern part of the country. This makes the actual land area smaller at .