Tetrad Islands is a group of small islands lying southeast of Borge Point at Mikkelsen Harbor on Trinity Island in the Palmer Archipelago. They were shown on a 1952 Argentine government chart. The name given by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1960 is descriptive; there are four islands in the group.

Tetrad Islands

Tetrad Islands Location in Antarctica
Geography
Location	Antarctica
Coordinates	63°55′S 60°44′W
Archipelago	Palmer Archipelago
Administration
Administered under the Antarctic Treaty System
Demographics
Population	Uninhabited

See also

• List of Antarctic and sub-Antarctic islands

 This article incorporates public domain material from the United States Geological Survey document: "Tetrad Islands". (content from the Geographic Names Information System) 

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