10 mi. S of Tebenkof Bay, on W coast of Kuiu I., Alex. Arch.
Name published in 1901 by U.S. Coast and Geodetic Survey (USC&GS); named for the launch Cosmos.
Port Malmesbury, Bear Harbor, Elena Bay, Explorer Basin, Gedney Harbor, Happy Cove, Harris Cove, Kell Bay, Orel Anchorage, Piledriver Cove, Table Bay, Tebenkof Bay, Thetis Bay,
Capes:Point Cosmos, Point Ellis, Point Harris, Elena Point, Gap Point, Lisa Point, Swaine Point, Troller Point,
Channels:Islands:Bush Islets, Davis Rock, East Island, Step Island, Troller Islands, Windfall Islands,
Mountains:Green Mountain, North Mountain, White Mountain,
Pillars: