Monolithi is a great sandy beach to the west of Preveza with a length of about 25km. Considered the largest sandy beach in the European Union. The name Monolithi (stone alone) received the beach from a clump coastal cliff at 10m from the coast (in the canteen A) size 10Ch10m about. These rocks (reef) protruded 1m below the surface of the sea by the year 1943, when Italian and German soldiers, to entertainment, bombed mortar rock and broke, so today is reef at water level.