Sierra Island () is a narrow island which is marked by a series of small elevations throughout its length, lying northwest of Dee Island and north of Greenwich Island in the South Shetland Islands, Antarctica. Surface area .L.L. Ivanov. Antarctica: Livingston Island and Greenwich, Robert, Snow and Smith Islands. Scale 1:120000 topographic map. Troyan: Manfred Wörner Foundation, 2009.
Named by the 5th Chilean Antarctic Expedition, 1950–51, after Sgt. Victor Sierra, sick-bay attendant of the patrol ship Lientur on the expedition.
See also Composite Antarctic Gazetteer List of Antarctic islands south of 60° S SCAR Territorial claims in Antarctica
References
External links Composite Antarctic Gazetteer.