Calypso Deep is the deepest point in the Mediterranean Sea, located in the Hellenic Trench in the Ionian Sea, 62.6 km south-west of Pylos, Greece, with a maximum depth of approximately 5,200 m (17,100 ft).[1] It lies at about 36°34′N 21°8′E / 36.567°N 21.133°E.