Alka Island (Bulgarian: остров Алка, romanized: ostrov Alka, IPA: [ˈɔstrof ˈaɫkɐ]) is the 250 m long in west–east direction and 110 m wide rocky island lying in Belimel Bay on the southwest coast of Trinity Island in the Palmer Archipelago, Antarctica.

It is “named after the ocean fishing trawler Alka of the Bulgarian company Ocean Fisheries – Burgas whose ships operated in the waters of South Georgia, Kerguelen, the South Orkney Islands, South Shetland Islands and Antarctic Peninsula from 1970 to the early 1990s.

The Bulgarian fishermen, along with those of the Soviet Union, Poland and East Germany are the pioneers of modern Antarctic fishing industry.”[1] Alka Island is located at 63°53′18″S 60°54′25″W / 63.88833°S 60.90694°W / -63.88833; -60.90694, which is 1.7 km north of Asencio Point, 3.43 km south of Bulnes Point, 2.4 km south-southwest of Tizoin Point and 145 m north-northwest of Glarus Island.

This article includes information from the Antarctic Place-names Commission of Bulgaria which is used with permission.

This Palmer Archipelago location article is a stub.