in Yukon River SW of Johnson I., 4.4 mi. N of Russian Mission, Yukon-Kuskokwim Delta. 1 mile long.
Named about 1900 by pilots, for the riverboat Arctic which wintered several times in Kako Creek, behind the island (Curtin, 1938, p. 278). Recorded on a 1916 fieldsheet by R. H. Sargent, U.S. Geological Survey (USGS).