The Rosario and San Bernardo Coral Islands National Natural Park is located in the Caribbean of Colombia, 45 kilometers southwest of the city of Cartagena. The park consists of 2 islands of the Rosario archipelago (Rosario island and Treasure island), 2 islands of the San Bernardo archipelago (Maravilla island and Mangrove island), as well as the Caribbean Sea in the region of the islands. The park was created to protect and preserve the unique ecosystems of coral reefs (area - 192 square kilometers), seaweeds (area 3035 hectares), mangrove and dry tropical forests, as well as rocky and sandy sections of the coast of the islands. The coral reef of the park makes up 72% of the reef system of Colombia, there are 62 species of hard corals and 18 soft, 244 species of mollusks, 153 species of crustaceans, 153 species of echinoderms, 199 species of sponges and 513 species of fish. The inhabitants of the park are the endangered bisse, sea-headed and green turtles. Mangrove forests growing in the coastal zones of the islands are formed by red, black and white mangrove trees, dry tropical forests - some species of deciduous trees. The islands are famous for their excellent sandy beaches and small lagoons with crystal clear water. A variety of shapes and colors of the inhabitants of the coral reef attract diving and diving enthusiasts to the park who want to see a spectacle of extraordinary beauty created by nature. Visitors to the park have the opportunity to go on a boat trip, do water sports, soak up the beach, visit local restaurants and taste seafood dishes, as well as visit the Oceanarium located on the island of Rosario.