Cronenwett Island is a high, ice-covered island

Island

An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...

 about 20 nautical miles (37 km) long. It lies between Vollmer Island

Vollmer Island

Vollmer Island is an ice-covered island 11 nautical miles long, lying along the edge of Sulzberger Ice Shelf, 7 nautical miles northwest of Cronenwett Island. It appears that this feature was first observed and roughly mapped from aerial photographs taken by the Byrd Antarctic Expedition,...

 and Steventon Island

Steventon Island

Steventon Island is a broad ice-covered island about long, lying west of Court Ridge in the Sulzberger Ice Shelf. It was mapped from surveys by the United States Geological Survey and U.S. Navy air photos , and named by the Advisory Committee on Antarctic Names for Richard F. Steventon, USN,...

 in the Marshall Archipelago

Marshall Archipelago

Marshall Archipelago is an extensive group of large ice-covered islands within Sulzberger Ice Shelf. Several of the islands were discovered and plotted by the Byrd Antarctic Expeditions and by the United States Antarctic Service , all led by Admiral Byrd...

, off the coast of Marie Byrd Land

Marie Byrd Land

Marie Byrd Land is the portion of West Antarctica lying east of the Ross Ice Shelf and the Ross Sea and south of the Pacific Ocean, extending eastward approximately to a line between the head of the Ross Ice Shelf and Eights Coast. It stretches between 158°W and 103°24'W...

. The feature was first observed and roughly delineated from aerial photographs taken by the Byrd Antarctic Expedition, 1928-30. Named by Advisory Committee on Antarctic Names

Advisory Committee on Antarctic Names

The Advisory Committee on Antarctic Names is an advisory committee of the United States Board on Geographic Names responsible for recommending names for features in Antarctica...

 (US-ACAN) for Commander W.R. Cronenwett, U.S. Navy, Photographic Officer for Deep Freeze II, 1956–57, and Public Information Officer

Public information officer

Public Information Officers are the communications coordinators or spokespersons of certain governmental organizations . They differ from public relations departments of private organizations in that marketing plays a more limited role...

 for Task Group 43.1 during Deep Freeze

Operation Deep Freeze

Operation Deep Freeze is the codename for a series of United States missions to Antarctica, beginning with "Operation Deep Freeze I" in 1955–56, followed by "Operation Deep Freeze II", "Operation Deep Freeze III", and so on...

1962.