Providencia and Santa Catalina Islands ( in Spanish Providencia y Santa Catalina Islas) is a municipality of the department of Archipelago of San Andrés, Providencia and Santa Catalina in insular Colombian region, on the northern coast of Providencia Island, as well as several uninhabited cayes to the North and East) had a population of 5,011 at the 2007 official estimates, and receives just 15,000 visitors per year. The island is one of Colombia's top scuba diving destinations, with a 32 km long barrier reef protecting the Eastern coast of the island (see photo to the right).