Grotto Island is a narrow island 0.5 nautical miles (1 km) long with a serrated coastline, lying 0.1 nautical miles (0.2 km) north of Galindez Island in the Argentine Islands, Wilhelm Archipelago, Antarctica. It was charted and named in 1935 by the British Graham Land Expedition under John Rymill.[1]
This article incorporates public domain material from the United States Geological Survey document: "Grotto Island". (content from the Geographic Names Information System)
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