Indenting the E side of the Bay of Waterfalls, SW coast of Adak Island, middle Aleutians. 0.7 mile wide.
Named by Lieutenant William Gibson, U.S. Navy (USN), Commander of the schooner Fenimore Cooper, during the North Pacific Exploring Expedition in 1855.
Bay of Islands, Bay of Waterfalls, Beverley Cove, Beyer Bay, Camel Cove, Cataract Bight, Chapel Cove, Chaxchim-qakuudguu, Expedition Harbor, False Bay, Fisherman Cove, Gannet Cove, Hammerhead Cove, Hidden Bay, Middle Arm Three Arm Bay, North Arm Three Arm Bay, Qaluugix Hiliixsax, Ringgold Sound, South Arm Three Arm Bay, Sweeper Cove, Three Arm Bay, Trappers Cove, Unalga Bight,
Argonne Point, Beverley Point, Cape Kagigikak, Cape Yakak, Careful Point, Central Point, Cliff Point, Fox Point, Hammerhead, Hook Point, Kelp Point, Lake Point, Low Point, Low Point, Middle Point, Range Point, Sachem Head, Split Point, Turret Point, Vincennes Point, Wedge Cape, Wedge Point, Yakak Peninsula,
Adak Island, Argonne Island, Black Island, Cascade Rock, Channel Islands, Cormorant Island, Crone Island, Dora Island, Eaglet Rocks, Eddy Island, Green Island, Ina Island, Large Rock, McCulloch Rock, Middle Rock, North Island, North Rocks, Plum Island, Plum Island Rocks, Pulpit Rocks, Red Rock, Ringgold Island, Sachem Head, Sea Parrot Island, South Island, South Rocks, Staten Island, The Three Sisters, Whirlpool Rock,