southernmost island of Cape Verde, located in the Atlantic Ocean, about 400 miles (640 km) off the West African coast. It has an area of 26 square miles (67 square km) and rises to Monte Fontainhas (3,201 feet 【976 metres】). The main economic activities are fishing and some agriculture. Vila de Nova Sintra, near the centre of the island, is the chief town. Pop. (2000) 6,820.