{{{annotations}}} Santa Inés Island (Spanish: Isla Santa Inés) is an island in southern Chile, part of the Tierra del Fuego archipelago and of Punta Arenas municipality, lying south west of the Brunswick Peninsula, from which is separated by the Strait of Magellan and minor islands.

The island hosts a small ice field named Grandes Ventisqueros.

It has a deeply indented coastline with several fjords, one of which hid the German light cruiser Dresden following the battle of the Falkland Islands in December 1914.

[1] First explorer of Santa Inés Island inland was the French writer and mountaineer Marc Augier in 1951, as he related in his work Monts Pacifique.

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