- See also
Tetrad Islands is a group of small islands lying southeast of Borge Point, Trinity Island, in the Palmer Archipelago. Shown on an Argentine government chart of 1952. The name given by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1960 is descriptive; there are four islands in the group. See also - List of Antarctic and sub-Antarctic islands
{{usgs-gazetteer}}{{coord|63|55|S|60|44|W|display=title}}{{PalmerArchipelago-geo-stub}} 1 : Islands of the Palmer Archipelago |