very spot. Over time, the sea receded onto land, flooding a valley, the mouth of which was turned into a very narrow strait, leaving behind a stagnant bay. This narrow strait acted like a natural breakwater for the Ölüdeniz. For this reason, the waters of the Ölüdeniz cannot be flushed out through natural means. 

For years, yachts that dropped anchor in the bay used to also pollute the surroundings with their bilge. Today all vessels