Ölüdeniz is a small village and beach resort in the Fethiye district of Mugla Province, on the Turquoise Coast of southwestern Turkey, at the conjunction point of the Aegean and Mediterranean seas. It is located 14 km (9 mi) to the south of Fethiye, near Mount Babadag.

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 sea-water 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.

Ölüdeniz is also famous for its paragliding opportunities. It is regarded as one of the best places in the world to paraglide due to its unique panoramic views, stable weather conditions, and Mount Babadag's exceptional height. Babadag (Father Mountain) towering above Ölüdeniz on the Southwest coast of Turkey is a geological marvel that just happens to make for incredible thermals and ideal conditions for paragliding flight. Ölüdeniz is reputedly the best site in Europe, if not the world, to fly paragliders cross-country in both solo and tandem modes.