Ölüdeniz remains one of the most photographed beaches on the Mediterranean. It has a secluded sandy bay at the mouth of Ölüdeniz, on a blue lagoon. The beach itself is a pebble beach. The lagoon is a national nature reserve and construction is strictly prohibited. The seawater of Ölüdeniz is famous for its shades of turquoise and aquamarine, while its beach is an official Blue Flag beach, frequently rated among the top 5 beaches in the world by travelers and tourism journals alike.