Madouri (Greek: Μαδουρή) is a small uninhabited island in the Ionian Sea, near Lefkada, Greece. It is part of the municipal unit Ellomenos. Madouri lies 700 m from the east coast of the island Lefkada, opposite the town Nydri. The island is heavily forested. It is about 400 metres (1,312 feet) in diameter.