Grant Island is an ice-covered island, 20 nautical miles (37 km) long and 10 nautical miles (19 km) wide, lying 5 miles (8 km) east of the smaller Shepard Island off the coast of Marie Byrd Land, Antarctica. Grant Island is located at (74°28′S131°35′W). Like Shepard Island, Grant Island is surrounded by the Getz Ice Shelf on all but the north side. Grant Island was discovered and charted by personnel on the USS Glacier on February 4, 1962. Grant Island was named by the United States Advisory Committee on Antarctic Names (US-ACAN) for Commander E. G.