56 ° 8' 31.999" N,
158 ° 7' 18.998" W
Lake and Peninsula
440 ft (134.11 m)
in Pacific Ocean 6 mi. S of Castle Cape on Alaska Peninsula; Aleutian Range. 2.9 miles long.
Historynative name shown as "O(strov) Chankliut," meaning "Chankliut Island," on Russian Hydrographic Dept. Chart 1379 in 1847 and published as "Chankliut Island" on U.S. Coast and Geodetic Survey (USC&GS) Chart 797.
Castle Bay, Jack Bay, Lake Bay, Lumber Bay, Necessity Cove, Nikolai Cove,
Capes:Castle Cape, Jack Point, Tuliumnit Point,
Islands: