Marguerite Bay or Margaret Bay is an extensive bay on the west side of the

Antarctic Peninsula The Antarctic Peninsula, known as O'Higgins Land in Chile and Tierra de San Martín in Argentina, and originally as Graham Land in the United Kingdom and the Palmer Peninsula in the United States, is the northernmost part of mainland Antarctic ...

, which is bounded on the north by

Adelaide Island Adelaide Island is a large, mainly ice-covered island, long and wide, lying at the north side of Marguerite Bay off the west coast of the Antarctic Peninsula. The Ginger Islands lie off the southern end. Mount Bodys is the easternmost mount ...

and on the south by

Wordie Ice Shelf The Wordie Ice Shelf () was a confluent glacier projecting as an ice shelf into the SE part of Marguerite Bay between Cape Berteaux and Mount Edgell, along the western coast of Antarctic Peninsula. In March 2008, the British Antarctic Survey r ...

, George VI Sound and Alexander Island. The mainland coast on the Antarctic Peninsula is Fallières Coast. Islands within the bay include

Pourquoi Pas Island Pourquoi Pas Island is a mountainous island, long and from wide, lying between Bigourdan Fjord and Bourgeois Fjord off the west coast of Graham Land. It was discovered by the French Antarctic Expedition under Charcot, 1908–10. The island was ...

, Horseshoe Island,

Terminal Island Terminal Island, historically known as Isla Raza de Buena Gente, is a largely artificial island located in Los Angeles County, California, between the neighborhoods of Wilmington and San Pedro in the city of Los Angeles, and the city of Long Be ...

, and Lagotellerie Island. Marguerite Bay was discovered in 1909 by the French Antarctic Expedition under

Jean-Baptiste Charcot Jean-Baptiste-Étienne-Auguste Charcot (15 July 1867 – 16 September 1936), born in Neuilly-sur-Seine, was a French scientist, medical doctor and polar scientist. His father was the neurologist Jean-Martin Charcot (1825–1893). Life Jean-Ba ...

, who named the bay for his wife.

Named features

Toadstool Rocks are a group of insular, ice-covered rocks that rise to about 250 cm above sea level in the southwest part of Marguerite Bay, east-southeast of Terminal Island. The rocks were roughly charted from RRS association with Mushroom Island and Puffball Islands. Endurance Reef is a

reef A reef is a ridge or shoal of rock, coral or similar relatively stable material, lying beneath the surface of a natural body of water. Many reefs result from natural, abiotic processes— deposition of sand, wave erosion planing down rock out ...

in Marguerite Bay, lying west of

Red Rock Ridge Red Rock Ridge or Morro Roca Roja or Promontorio Roca Roja is a conspicuous reddish-colored ridge or promontory which rises to 690 m and projects from the west coast of Graham Land between Neny Fjord and Rymill Bay. Red Rock Ridge is located ...

. The name is after HMS ''Endurance'' which at this position in February 1972 struck a rock in a depth of . The area was surveyed by boats from the ''Endurance'' in 1973 when similar depths were found up to south-southwest of the rock. Harvey Shoals () are three shoal patches located between Miller Island and

Northstar Island Northstar Island is a artificial island in the Beaufort Sea, northwest of Prudhoe Bay, Alaska and north of the Alaska coast.Alaska Oil and Gas Conservation Commission"Northstar Unit, Northstar Oil Pool" State of Alaska. July 25, 2005. Accessed ...

in Marguerite Bay. They were charted by the Hydrographic Survey Unit from RRS ''John Biscoe'' in 1966, and were named for Petty Officer Brian E. Harvey, the surveying recorder who carried out all the sounding for this survey.

Named features

References

Further reading