What is the name of the 75 mile long string of islands including one that has a city population of 33,275?
Outer barrier The outer barrier, also known as the Long Island and New York City barrier islands, refers to the string of barrier islands that divide the lagoons south of Long Island, New York from the Atlantic Ocean. These islands include Coney Island, Long Beach Barrier Island, Island Park, Jones Beach Island, Fire Island and Westhampton Island. The outer barrier extends 75 mi along the South Shore of Long Island, from Rockaway Beach on the New York City/Nassau County border from Long Beach Barrier Islands' western edge, to Suffolk County's east end of Shinnecock Bay.
Providencia and Santa Catalina Islands Providencia and Santa Catalina Islands (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).