Lake Voulismeni (Greek: Λίμνη Βουλισμένη, Límni Voulisméni) is a former sweetwater small lake, later connected to the sea, located at the centre of the town of Agios Nikolaos on the Greek island of Crete It has a circular shape of a diameter of 137 m and depth 64 m. The locals refer to it as just "the lake".