Incomplete Record. Extends SE inland from Pacific Ocean, on W coast of Nagai I., in Shumagin Island Aleutian Range
HistoryNamed for the schooner J. D. Sanborn commanded by Captain William Morse, who discovered the harbor in 1866; published in 1872 by US@C&GS.
Caton Cove, Eagle Harbor, East Bight, Falmouth Harbor, The Kitchen, Larsen Bay, Mist Harbor, Northeast Bight, Porpoise Harbor, Sanborn Harbor,
Capes:Cape Horn, Cape Wedge, Granite Point,
Channels:Gorman Strait, West Nagai Strait,
Cliffs:East Head, Macks Head, Wooly Head,
Islands:Andronica Island, Atniliak Island, The Haystacks, John Island, Kagai Island, Kaiasik, Kaniliak, Kauatka, Kulyugayak, Macks Head Island, Nagai Island, Near Island, Porpoise Rocks, Sauluktouchikh, Schumachinskaia, Shag Rock, Sitymkan, Tungulik, Turner Island, Twins, The Whaleback,
Mountains:Mount Davidson, Eagle Mountain,
Ridges: