[3] Andersson Island was originally named Uruguay Island by the Swedish Antarctic Expedition (SwedAE), 1901–04, under Otto Nordenskjöld, after the Argentine ship Uruguay which participated in the rescue of the ship-wrecked Swedish Antarctic Expedition in 1903.

A passage 1 nautical mile (1.9 km; 1.2 mi) wide and 4 nautical miles (7.4 km; 4.6 mi) long, usually ice bound, linking Fridtjof Sound and Antarctic Sound between Jonassen Island and Andersson Island.

Named by Argentina for Lieutenant Jorge Yalour, who accompanied the Uruguay relief expedition of 1903.

High, conspicuous cliffs of red-colored volcanic rock, forming the east end of Andersson Island.

A small rock lying in the south entrance to Antarctic Sound, 3 nautical miles (5.6 km; 3.5 mi) southeast of Cape Scrymgeour.

[8] This article incorporates public domain material from websites or documents of the United States Geological Survey.