in Bering Sea, 11.5 mi. ESE of Kiska Volcano, Kiska I., Aleutian Islands.
Named for U.S. Coast and Geodetic Survey (USC&GS) steamer McArthur and published on a 1906 U.S. Coast and Geodetic Survey (USC&GS) chart.
Krysi Pass, McArthur Pass, Sea Lion Pass, Segula Pass, Tanadak Pass,
Cliffs:Hills:Nip Hill, Nude Hill, Sniper Hill, Sugar Hill,
Islands:Haycock Rock, Little Kiska Island, Northeast Rocks, Tanadak Island,
Streams:Nazi Creek, Salt Creek, Sugar Creek, X-Ray Creek, X-Wave Creek,