Gibbon Bay is a bay

Bay

A bay is an area of water mostly surrounded by land. Bays generally have calmer waters than the surrounding sea, due to the surrounding land blocking some waves and often reducing winds. Bays also exist as an inlet in a lake or pond. A large bay may be called a gulf, a sea, a sound, or a bight...

 1 nautical mile (1.9 km) long and wide, entered between Rayner Point

Rayner Point

Rayner Point is a point marked by a rocky peak forming the north side of the entrance to Gibbon Bay on the east coast of Coronation Island, in the South Orkney Islands. Charted in 1912-13 by Captain Petter Sorlle, a Norwegian whaler. Recharted in 1933 by DI personnel on the Discovery II and named...

 and The Turret

The Turret

The Turret is a conspicuous rocky headland, 460 m high, at the south side of the entrance to Gibbon Bay on the east coast of Coronation Island, in the South Orkney Islands. Probably first sighted by Captain George Powell and Captain Nathaniel Palmer who discovered these islands in December 1821....

 along the east coast of Coronation Island

Coronation Island

Coronation Island is the largest of the South Orkney Islands, long and from wide. The island extends in a general east-west direction, is mainly ice-covered and comprises numerous bays, glaciers and peaks, the highest rising to...

, in the South Orkney Islands

South Orkney Islands

The South Orkney Islands are a group of islands in the Southern Ocean, about north-east of the tip of the Antarctic Peninsula. They have a total area of about ....

. The bay was first observed in December 1821 by Captain George Powell and Captain Nathaniel Palmer

Nathaniel Palmer

Nathaniel Brown Palmer was an American seal hunter, explorer, sailing captain, and ship designer. He was born in Stonington, Connecticut.-Sealing career and Antarctic exploration:...

, but was more accurately delineated on a 1912 chart by Captain Petter Sorlle. It was recharted in 1933 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 on the Discovery II and named for the ship's surgeon, Dr. G.M. Gibbon.