[7] Arrecifes de Cozumel National Park is part of a diverse ecosystem of coral reefs that is home to more than 1,000 marine species.The marine life that inhibit the reefs include zoanthids, polychaets, actinarians, hydroids, sponges, crustaceans, mollusks, echinoderms and many varieties of Caribbean fish.The park is also a habitat to several endangered marine species such as the loggerhead and hawksbill sea turtles, queen triggerfish, and the endemic splendid toadfish.[8] Due to the abundant marine life and coral reefs the clear and warm Caribbean water, Cozumel is considered one of the best scuba-diving destinations in the world.[11] It is also home to the Cozumel splendid toadfish (Sanopus splendidus) which is listed as vulnerable by IUCN and is entirely endemic to the reefs surrounding the island.