Malgas Island is a small, 8.3 hectares (21 acres), uninhabited island lying in the northern part of the entrance to Saldanha Bay, in the Western Cape province of South Africa. It lies about 800 metres (2,600 ft) from the mainland in the Benguela upwelling system. It is rectangular in shape and flat, with the highest point about 9 metres (30 ft) above sea level. It is known for its large breeding colony of Cape gannets.