1 mi. NW of Constantine Harbor, on Bering Sea coast of Amchitka I., Rat Islands.; Aleutian Islands.
Russian name given by the navigator Ingenstrem in 1830. Captain Lutke (1836, p. 324), Imperial Russian Navy (IRN), called it "Kirilovskaia," as did Captain Tebenkov (1852, map 30), Imperial Russian Navy (IRN).
Clam Bay, Constantine Harbor, Cyril Cove, Duck Cove, Duk Cove, Kirilof Bay, Makarius Bay, North Bight, Pluton Cove, Sand Beach Cove, South Bight, Square Bay, Stone Beach Cove, Whale Cove,
Capes:Banjo Point, Clam Point, Constantine Point, Crown Reefer Point, East Cape, Grampus Point, Ivakin Point, Kirilof Point, Omega Point, Petrel Point, Pillow Point, Rifle Range Point, Saint Makarius Point, Sea Otter Point,
Islands:Lakes:Emerald Lake, Hanitxux, Jones Lake, Long Lake, Silver Salmon Lake,
Streams:Bridge Creek, Jones Creek, Teal Creek, Ultra Creek, White Alice Creek,