The island of Antiparos is located 0.8 nautical mi (1.5 km) southwest of Paros, separated by the Strait of Antiparos, known as Amfigeio. It lies from the port of Parikia from which the passenger ferry runs. The maximum length of the island is from north to south, while the maximum width reaches . The total area is estimated at . And the highest peak, St. Elias, in the middle of the island, is at 308 m. The main town is called simply Antiparos.