Dint Island is a rocky island

Island

An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...

, 1.5 nautical miles (2.8 km) long, lying 2 nautical miles (3.7 km) off the west side of Alexander Island

Alexander Island

Alexander Island or Alexander I Island or Alexander I Land or Alexander Land is the largest island of Antarctica, with an area of lying in the Bellingshausen Sea west of the base of the Antarctic Peninsula, from which it is separated by Marguerite Bay and George VI Sound. Alexander Island lies off...

 in Lazarev Bay

Lazarev Bay

Lazarev Bay is a rectangular bay, 15 nautical miles long and 13 nautical miles wide, between Alexander Island and Rothschild Island and bounded on the south by ice shelf joining the two islands. The north coast of Alexander Island was first seen from a great distance by the Russian expedition of...

. Probably first seen from the air by the United States Antarctic Service (USAS), 1939-41. First mapped from air photos taken by the Ronne Antarctic Research Expedition

Ronne Antarctic Research Expedition

The Ronne Antarctic Research Expedition was an expedition from 1947-1948 which researched the area surrounding the head of the Weddell Sea in Antarctica.-Background:...

 (RARE), 1947–48, by Searle of the Falkland Islands Dependencies Survey (FIDS) in 1960. So named by the United Kingdom Antarctic Place-Names Committee (UK-APC) because a distinctive cirque makes a dent, or dint, on the south side of the island.