Rineia or Rhenea (Ρήνεια) is a Greekisland in the Cyclades. It lies just west of the island of Delos and further southwest of the island of Mykonos, of which it and Delos are administratively a part. Its area is 14km2 (5sqmi). It had a small population until the 1980s, but is currently uninhabited. In ancient times the island was subdued by the tyrant Polycrates of Samos and dedicated to the DelianApollo.