Cape Flying Fish is an ice-covered cape which forms the west extremity of Thurston Island

Thurston Island

Thurston Island is an ice-covered, glacially dissected island, long, wide and in area, lying a short way off the NW end of Ellsworth Land, Antarctica. It is the third largest island of Antarctica, after Alexander Island and Berkner Island...

. It was discovered by Rear Admiral Byrd and members of the US Antarctic Service (USAS) in a flight from the Bear in February 1940. Named by US-SCAN for the United States Exploring Expedition

United States Exploring Expedition

The United States Exploring Expedition was an exploring and surveying expedition of the Pacific Ocean and surrounding lands conducted by the United States from 1838 to 1842. The original appointed commanding officer was Commodore Thomas ap Catesby Jones. The voyage was authorized by Congress in...

 ship Flying Fish, commanded by Lt. William M. Walker, USN, which reached a point within 125 miles of this cape; the ship's position on the morning of March 23, 1839 was 70°00' S, 100°16' W.

Cape Flying Fish separates Amundsen Sea

Amundsen Sea

The Amundsen Sea is an arm of the Southern Ocean off Marie Byrd Land in western Antarctica. It is bounded by Cape Flying Fish, the northwestern tip of Thurston Island to the east and Cape Dart on Siple Island to the west. East of Cape Flying Fish starts the Bellingshausen Sea. West of Cape Dart is...

 in the west from Bellingshausen Sea

Bellingshausen Sea

The Bellingshausen Sea is an area along the west side of the Antarctic Peninsula, west of Alexander Island, east of Cape Flying Fish on Thurston Island, and south of Peter I Island . In the south are, from west to east, Eights Coast, Bryan Coast and English Coast of West Antarctica...

in the east.