Dee Island is the ice-free island lying between Greenwich Island and Aitcho Islands in the South Shetland Islands, Antarctica and is separated from Greenwich Island to the south by the wide Orión Passage and from Aitcho Islands to the northeast by the wide Villalón Passage. Extending , with the conspicuous Burro Peaks in the southeast rising to , and surface area . The small Montufar Island and Araguez Island are lying east of Dee Island and east of its southern tip respectively. The area was visited by 19th century sealers.