Gulf of Alaska. Extent The International Hydrographic Organization defines the limits of the Gulf of Alaska as follows: On the north. The coast of Alaska. On the south. A line drawn from Cape Spencer, the northern limit of the Coastal Waters of Southeast Alaska and British Columbia to Kabuch Point, the southeast limit of the Bering Sea, in such a way that all the adjacent islands are included in the Gulf of Alaska. The US Geological Survey's Geographic Names Information System database defines the Gulf of Alaska as bounded on the north by the coast of Alaska and on the south by a line running from the south end of Kodiak Island on the west to Dixon Entrance on the east. Islands Admiralty Island Afognak Island Aghiyuk Island Aiaktalik Island Akun Island Akutan Island Aleutika Island Amaknak Island Adronica Island Annette Island Anyaka Island Ariadne Island Augustine Island Avatanak Island Baker Island Ban Island Baranof Island Beautiful Isle Bell Island Benjamin Island Biorka Island Bligh Island Chat Island Chenega Island Chichagof Island Chisik Island Chiswell Island(s) Chowiet Island Coronation Island Cronin Island Culross Island Dall Island Deer Island Doggie Island Dolgoi Island Douglas Island Duke Island East Chugach Island Egg Island Egg Island(s) Eldred Rock Eleanor Island Elizabeth Island Erlington Island Esther Island Etolin Island Fish Island Fitzgerald Island Forrester Island Goloi Island Granite Island Gravina Island Green Island Gregson Island Gull Island Haenke Island Harbor Island Hawkins Island Heceta Island Herring Island(s) Hesketh Island Hinchinbrook Island Kalgin Island Kanak Island Karpa Island Kataguni Island Kayak Island Khantaak Island Knight Island Kodiak Island Korovin Island Kosciusko Island Kriwoi Island Kruzof Island Kuiu Island Kupreanof Island Latouche Island Lemesurier Island Lincoln Island Lone Island Long Island Lulu Island Lynn Brothers Ma Relle Island(s) Mab Island Marmot Island Mitkof Island Montague Island Nakchamik Island Naked Island Near Island Noyes Island Nuka Island Osier Island Otmeloi Island Outer Island Partofshikof Island Pearl Island Perry Island Pleasant Island Popof Island Powder Island Prince of Wales Island Rabbit Island Ragged Island Rugged Island Raspberry Island Revillagigedo Island Rootok Island San Fernando Island San Juan Island Sebree Island Sentinel Island Shelter Island Shikosi Island Shuyak Island Sinith Island(s) Sitkalidak Island Sitkinak Island Spruce Island Strawberry Island Suemez Island Sullivan Island Sutwik Island Talsani Island Tanker Island Tigalda Island Tugidak Island Twoheaded Island Uganik Island Unalaska Island Unalga Island Unavikshak Island Unga Island Warren Island Whale Island