Ardley Island is an 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 miles (1.6 km) long, lying in Maxwell Bay

Maxwell Bay (Antarctica)

Maxwell Bay is a bay long, lying between King George Island and Nelson Island, in the South Shetland Islands. The main entrance to the bay is at the south-east side and is wide open; Fildes Strait on the north-west side is encumbered by rocks and is only navigable by boats...

 close off the southwest end of King George Island, in the South Shetland Islands

South Shetland Islands

The South Shetland Islands are a group of Antarctic islands, lying about north of the Antarctic Peninsula, with a total area of . By the Antarctic Treaty of 1959, the Islands' sovereignty is neither recognized nor disputed by the signatories and they are free for use by any signatory for...

. It was charted as a peninsula

Peninsula

A peninsula is a piece of land that is bordered by water on three sides but connected to mainland. In many Germanic and Celtic languages and also in Baltic, Slavic and Hungarian, peninsulas are called "half-islands"....

 in 1935 by DI

Discovery Investigations

The Discovery Investigations were a series of scientific cruises and shore-based investigations into the biology of whales in the Southern Ocean. They were funded by the British Colonial Office and organised by the Discovery Committee in London, which was formed in 1918...

 personnel of the Discovery II and named for Lieutenant R.A.B. Ardley, Royal Naval Reserve

Royal Naval Reserve

The Royal Naval Reserve is the volunteer reserve force of the Royal Navy in the United Kingdom. The present Royal Naval Reserve was formed in 1958 by merging the original Royal Naval Reserve and the Royal Naval Volunteer Reserve , a reserve of civilian volunteers founded in 1903...

, officer on the ship in 1929–31 and 1931–33. Air photos have since shown that the feature is an island.