12 mi. NE of Tenakee Springs, on E coast of Chichagof I., Alex. Arch. 3 miles wide.
Tlingit Indian name (Iyukin) reported in 1869 by G. Davidson, U.S. Coast and Geodetic Survey (USC&GS) as "I=youk=een." The name was published in 1883 Coast Pilot (p. 181).
Cedar Cove, Coffee Cove, Corner Bay, False Bay, Fin Cove, Freshwater Bay, Game Cove, Iyoukeen Cove, Pavlof Harbor, Pileriver Cove, Square Cove, Sunshine Cove, Trap Bay, Wachusett Cove, Whitestone Harbor,
Point Augusta, Cannery Point, Columbia Point, Cube Point, East Point, East Point, Flints Point, Hawk Point, Hill Point, Iyoukeen Peninsula, Point Marsden, North Passage Point, Outer Point, South Passage Point, Sunny Point, West Point,