extends NE-SW at SW end of Prince William Sound, between Latouche and Evans I., 20 mi. S of Chenega, Chugach Mts. 12 miles long.
Local name reported in 1905 by U. S. Grant, U.S. Geological Survey (USGS); name derived from Point Elrington at the southern tip of the island.
Aluklik Bay, Crab Bay, Fox Farm Bay, Guguak Bay, Hogg Bay, Horseshoe Bay, Iktua Bay, Johnson Cove, Koss Cove, Montgomery Bay, North Twin Bay, San Juan Bay, Sawmill Bay, Shelter Bay, South Twin Bay, Squirrel Bay, Swanson Bay, Wilson Bay,