The South Shetland Trough is an undersea trough located north of the South Shetland Islands.
The Rockall Basin is a large sedimentary basin that lies to the west of Ireland and the United Kingdom beneath the major deepwater area known as the Rockall Trough. It is named after Rockall, a rocky islet lying 301.4 km west of St Kilda.
Adare Seamounts, also known as Adare Mountains, are the seamounts in Balleny Basin named in association with Adare Peninsula and Cape Adare. Name approved by the Advisory Committee on Undersea Features, June 1988.
Adare Trough is an undersea trough name proposed by Dr. Steven C. Cande, Scripps Institution of Oceanography. Named in association with Adare Peninsula and Cape Adare. Name approved by the Advisory Committee on Undersea Features in September 1997.
Adélie Valley, also variously known as Adilie Valley, Dumont d'Urville Trough or Adélie Trough, is a drowned fjord on the continental margin of East Antarctica. Named in association with this long named portion of Wilkes Land on the Antarctic coast. Name approved by the Advisory Committee on Undersea Features in December 1971.
The Lazarev Trough is an undersea trough off the coast of Antarctica. It was named for the Russian polar explorer Admiral Mikhail P. Lazarev, commanding officer of the sloop Mirnyy during the Bellingshausen expedition of 1819–1821. The name, proposed by Dr. G. Agapova of the Geological Institute of the Russian Academy of Sciences, was approved by the Advisory Committee for Undersea Features in August 1985.
Balleny Basin is a minor undersea basin, almost an appendage to the Southeast Pacific Basin. It was named in association with the Balleny Islands and the name approved by the Advisory Committee on Undersea Features February 1972.
Balleny Fracture Zone is an undersea fracture zone that extends south towards the Balleny Islands. The name was approved by the Advisory Committee for Undersea Features in December 1971.
Balleny Seamounts are seamounts named in association with the Balleny Islands. The name was approved by the Advisory Committee for Undersea Features in June 1988.
Borradaile Island is one of the Balleny Islands. It was the site of the first landing south of the Antarctic Circle, and features the "remarkable pinnacle" called Beale Pinnacle, near Cape Beale on its south-eastern coast, and Cape Scoresby on its north-western coast.
Cape Cornish is a cape which forms the northern tip of Buckle Island in the Balleny Islands. It was named by personnel on the Discovery II in 1938 for A.W. Cornish, a meteorologist with the Australian Central Bureau who was an observer aboard the Discovery II during 1937–38.
Dubinin Trough is an undersea trough named for Soviet Captain A.I. Dubinin, leader of the 1957 Antarctic expedition. The name was proposed by Dr. G. Agapova of the Geological Institute of the Russian Academy of Sciences, and was approved by the Advisory Committee for Undersea Features in August 1985.
Eliza Cone is a rock with an archway through it standing 1 nautical mile (2 km) west of Cape McNab on the south end of Buckle Island, in the Balleny Islands. It is located adjacent to Scott Cone, the two features appear to have been named after John Balleny's schooner, the Eliza Scott, in which he discovered the Balleny Islands in February 1839.
Cape Ellsworth is a sheer rock bluff 290 metres (950 ft) high forming the north end of Young Island in the Balleny Islands. It was named by personnel of the Discovery II in 1936 for American explorer Lincoln Ellsworth. The vessel, after picking up Ellsworth at Little America on the Ross Ice Shelf, made a running survey around the northern end of the Balleny Islands on the way back to Australia.
Möller Trough is an undersea trough in the Weddell Sea named for geodesist Dietrich Möller, former President of the German Society for Polar Research. The name was proposed by Dr. Heinrich Hinze of the Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany, and was approved by the Advisory Committee for Undersea Features in June 1997.
Cape McNab is a cape, 350 metres (1,150 ft) high, which forms the south end of Buckle Island in the Balleny Islands of Antarctica. It was named for John McNab, second mate of the schooner Eliza Scott, who made a sketch of the Balleny Islands when they were discovered by John Balleny in 1839.
Hespérides Trough is an undersea trough named for the Spanish research vessel Hespérides. The name was approved by the Advisory Committee on Undersea Features in November 1995.
Scott Cone is a conical hill about 2 nautical miles (3.7 km) north-northeast of Cape McNab on the south end of Buckle Island, in the Balleny Islands. Located adjacent to Eliza Cone, the two features appear to have been named after John Balleny's schooner, the Eliza Scott, in which he discovered the Balleny Islands in February 1839.
Row Island is a small island, less than 1 nautical mile (1.9 km) in diameter, which lies just off the southeast end of Young Island in the Balleny Islands. John Balleny assigned the name in 1839 to an island which he reported to be 10 nautical miles (18 km) north of Young Island, naming it for J. Row, one of the merchants who united with Charles Enderby in sending out the expedition. Since the island reported by Balleny could not be found by other explorers in the vicinity, the name was assigned to this island discovered by the British ship Discovery II in 1936.
