6 mi. S of Matushka I. in Gulf of Alaska, 44 mi. SW of Seward, Chugach Mts.
Named "K(amen) Sivuchi," meaning "sealion rocks," by Captain Tebenkov (1852, map 5), Imperial Russian Navy (IRN); erroneously translated in 1888 by U.S. Coast and Geodetic Survey (USC&GS).
Cataract Cove, Chat Cove, Cliff Bay, Crater Bay, Fire Cove, Ripple Cove, Taz Basin,
Capes:Aialik Cape, Granite Cape, Toe Point,
Channels:Dora Passage, Granite Passage, Petes Pass,
Hills:Islands:Beehive Island, Chat Island, Chiswell Island, Dora Island, Granite Island, Harbor Island, Hub Rock, Lone Rock, Matushka Island, Natoa Island, No Name Island, Seal Rocks, Twin Islands, Verdant Island,