
The Adolph Islands are a group of small islands and rocks off northwest Watkins Island, in the Biscoe Islands. Mapped from air photos by Falkland Islands and Dependencies Aerial Survey Expedition (FIDASE) (1956–57). Named by United Kingdom Antarctic Place-Names Committee (UK-APC) for the American Edward F. Adolph, Professor of Physiology, University of Rochester, 1948–60, who specialized in the reactions of the human body to cold.
Alino Island is the predominantly ice-covered island in Biscoe Islands, Antarctica lying 1 kilometre (0.62 mi) south-southeast of Tula Point, Renaud Island. The feature is 1.2 kilometres (0.75 mi) long in southwest-northeast direction and 580 metres (0.36 mi) wide.
Arrowsmith Island is a mostly ice-covered island in the Pitt group of Biscoe Islands, Antarctica. It is 2.53 km long in west-southwest to east-northeast direction and 900 m wide.
The Barcroft Islands are a group of small islands and rocks about 5 miles (8 km) in extent, lying close south of Watkins Island, Biscoe Islands. In particular, the group includes St. Brigid, Irving, St. Isidore, Chakarov and Bedford Islands. The islands were mapped from air photos by the Falkland Islands and Dependencies Aerial Survey Expedition (1956–57), and named by the UK Antarctic Place-Names Committee for Sir Joseph Barcroft, a pioneer investigator of the physiological effects of high altitudes and cold.

Bates Island is a narrow island 5 km (3.1 mi) long lying east of Jurva Point, Renaud Island, in the Biscoe Islands of Antarctica. It was first accurately shown on an Argentine government chart of 1957, and was named by the UK Antarctic Place-Names Committee in 1959 for Charles C. Bates, an American oceanographer who has specialised in sea ice studies.
Biscoe Islands is a series of islands, of which the principal ones are Renaud, Lavoisier, Watkins, Krogh, Pickwick and Rabot, lying parallel to the west coast of Graham Land and extending 150 km (81 nmi) between Southwind Passage on the northeast and Matha Strait on the southwest. Another group of islands are the Adolph Islands.

Bona Mansio Island is the ice-covered island extending 750 m in east–west direction and 635 m in south–north direction lying in Papazov Passage, Biscoe Islands. The island is separated from the west coast of Krogh Island by a 700 m long passage narrowing to 50 m at points. Its surface area is 30 ha. The feature was formed as a result of the retreat of Krogh Island's ice cap around the turn of 21st century.
Burton Point is the northeastern point of Krogh Island in the Biscoe Islands, Antarctica forming the north side of the northeast entrance to Vladigerov Passage.

Chakarov Island is the ice-covered island 2.18 km long in southwest–northeast direction and 600 m wide in the Barcroft group of Biscoe Islands. Its surface area is 92 ha.
Clio Bay is the 1.8 km wide bay indenting for 1.7 km the west coast of Lavoisier Island in Biscoe Islands, Antarctica. It is formed as a result of the retreat of Lavoisier Island's ice cap in the early 21st century.

Crystal Sound is a sound in Antarctica between the southern part of the Biscoe Islands and the coast of Graham Land, with northern limit Cape Evensen to Cape Leblond and southern limit Holdfast Point, Roux Island, Liard Island and the Sillard Islands. It was so named by the UK Antarctic Place-Names Committee in 1960 because many features in the sound are named for men who have undertaken research on the structure of ice crystals. To the north of Crystal Sound, many geographical features are named after physiologists.
Edholm Point is the northwestern point of Krogh Island in the Biscoe Islands, Antarctica forming the west side of the entrance to Transmarisca Bay.
Fizkin Island is an island lying 2.5 nautical miles (5 km) southeast of Pickwick Island and 900 m southeast of Arrowsmith Island, Pitt Islands in the Biscoe Islands, Antarctica. The island was shown on an Argentine government chart of 1957, and named by the UK Antarctic Place-Names Committee in 1959 after Horatio Fizkin, Esquire, a character in Charles Dickens' The Pickwick Papers.
Grandidier Channel is a navigable channel between the west coast of Graham Land, Antarctica, and the north end of the Biscoe Islands, extending from Penola Strait southwestward to the vicinity of Larrouy Island. It was first charted by the French Antarctic Expedition, 1903–05, and named by Jean-Baptiste Charcot for Alfred Grandidier, President of the Paris Geographical Society. Charcot applied the name to the entire body of water between the mainland and the Biscoe Islands but the name has since been restricted to the navigable portion described.

Horvath Island is a small island close north of Watkins Island, in the Biscoe Islands of Antarctica. It was mapped from air photos taken by the Falkland Islands and Dependencies Aerial Survey Expedition (1956–57), and was named by the UK Antarctic Place-Names Committee for Stephen M. Horvath, an American physiologist who has specialized in the peripheral circulation of man in climatic extremes.

Jingle Island is an island 3 km (1.5 nmi) long lying 2 km (1 nmi) northeast of Weller Island, in the Pitt Islands of the Biscoe Islands, Antarctica. It was photographed by Hunting Aerosurveys Ltd in 1956, and mapped from these photos by the Falkland Islands Dependencies Survey. It was named by the UK Antarctic Place-Names Committee in 1959 after Alfred Jingle, a strolling actor in Charles Dickens' The Pickwick Papers.
Johannessen Harbour is a sheltered anchorage lying to the east and northeast of Snodgrass Island in the Pitt Islands, in the northern Biscoe Islands, Antarctica. The harbour was entered by the ship Norsel in 1955 and was then surveyed by the Falkland Islands Dependencies Survey. It was named by the UK Antarctic Place-Names Committee for Olav Johannessen, the master of Norsel.

The Karelin Islands are a group of islands 6 km (3 nmi) in extent, lying 6 km (3 nmi) southeast of Tula Point, Renaud Island, in the Biscoe Islands of Antarctica. They were first accurately shown on an Argentine government chart of 1957, and were named by the UK Antarctic Place-Names Committee in 1959 for Dmitriy Karelin (1913–1953), a Soviet meteorologist and pioneer of research on sea ice recording and forecasting.

Kereka Island is a mostly ice-covered island in the Pitt group of Biscoe Islands, Antarctica. It is 1.75 km long in southeast-northwest direction and 580 m wide, and is separated from neighbouring Slumkey Island to the west-southwest by an 80 m wide passage.

Knezha Island is the northernmost island in the Pitt group of Biscoe Islands, Antarctica. The feature extends 900 m in north-south direction and 880 m in east-west direction.

Krivus Island is the mostly ice-covered island on the east side of Johannessen Harbour in the Pitt group of Biscoe Islands, Antarctica. The feature extends 920 m in north-south direction and 1.06 km in east-west direction.
Krogh Island is an ice-covered island about 5 nautical miles (9 km) long lying close west of the southern part of Lavoisier Island in Biscoe Islands, Antarctica. The island is separated from Lavoisier Island on the east by Vladigerov Passage, from DuBois Island on the west by Papazov Passage and from Watkins Island to the south by Lewis Sound. Its north coast is indented by Transmarisca Bay and Suregetes Cove.
Kusev Point is the point forming the north extremity of Pickwick Island and the west side of the entrance to Misionis Bay in the Pitt group of Biscoe Islands, Antarctica.
Kuvikal Point is the point on the east side of the entrance to Transmarisca Bay and the west side of the entrance to Suregetes Cove on the north coast of Krogh Island in Biscoe Islands, Antarctica. The eponymous group of small Kuvikal Islands, centred off the point at 66°14′50″S 66°57′40″W, extends 2 km (1.2 mi) in southwest-northeast direction and 2 km (1.2 mi) in south-southeast to north-northwest direction.

Lavoisier Island is an island 29 km (18 mi) long and 8 km (5 mi) wide, lying between Rabot and Watkins Islands in the Biscoe Islands, Antarctica. It is separated from Renaud Island and Rabot Island to the northeast by Pendleton Strait, from Watkins Island to the southwest by Lewis Sound, and from Krogh Island to the west-southwest by Vladigerov Passage.
Lewis Sound is a body of water running northwest–southeast between Lavoisier Island and Krogh Island to the northeast and Watkins Island to the southwest, in the Biscoe Islands of Antarctica. It was mapped from aerial photographs taken by the Falkland Islands and Dependencies Aerial Survey Expedition, 1956–57. In association with the names of pioneers in cold climate physiology grouped in this area, it was named "Lewis Passage" by the UK Antarctic Place-Names Committee (1960) after Sir Thomas Lewis, an English physiologist who investigated the responses of the blood vessels of the skin to environmental temperature. The feature was later renamed as Lewis Sound as it does not provide safe passage for a ship.

Metis Island is the 820 m long in east–west direction and 140 m wide rocky island separated from the west coast of Lavoisier Island in Biscoe Islands by a 540 m wide passage. Its surface area is 8.4 ha.
Misionis Bay is the 1.6 km wide bay indenting for 2.35 km the northeast coast of Pickwick Island in the Pitt group of Biscoe Islands, Antarctica. It is entered east of Kusev Point and west of Plakuder Point.
Mraka Sound is a roughly rectangular water body extending 5 km in southeast-northwest direction and 4.2 km in southwest-northeast direction in Biscoe Islands, Antarctica. It is bounded by Renaud Island on the south, Pickwick Island on the north and Winkle Island on the northeast.
Mutton Cove is an anchorage 0.9 km (0.56 mi) northeast of the south end of Beer Island in the Biscoe Islands, off the Antarctic Peninsula in Antarctica. The cove is formed by four small islands, Harp, Upper, Cliff and Girdler Islands. Beer Island shelters the cove from the west. Charted in 1936 by the British Graham Land Expedition (BGLE) under Rymill and, at the suggestion of Lieutenant R.G.D. Ryder, Royal Navy, captain of the days in a training ship at Devonport.

Palosuo Islands is a group of small islands and rocks lying 2.8 kilometres (1.5 nmi) north of Maurstad Point, off the west side of Renaud Island in the Biscoe Islands. First accurately shown on an Argentine government chart of 1957. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1959 for Erkki Palosuo, Finnish oceanographer who has specialized in sea ice studies.
Papazov Passage is the 4.5 km long and 1 km wide passage between Krogh Island on the east and DuBois Island on the west in Biscoe Islands, Antarctica. St. Christopher Island and Bona Mansio Island lie in the eastern part of the passage.
Pickwick Island is the largest of the Pitt Islands, in the Biscoe Islands, Antarctica. It is 9.45 km long in southwest–northeast direction, separated from Renaud Island on the southwest by Mraka Sound, and has its northeast coast indented by Misionis Bay.
Pitt Islands is a group of small islands lying immediately off the N extremity of Renaud Island, at the N end of the Biscoe Islands. The name "Pitt's Island," for William Pitt, British statesman, was applied by John Biscoe in 1832 to an island which he erroneously charted as lying about 25 miles West North West of these islands. The present application of Pitt Islands is based on the interpretation of the BGLE under Rymill, who charted the island group in 1935–36.
Plakuder Point is the point on the east side of the entrance to Misionis Bay on the northeast coast of Pickwick Island in the Pitt group of Biscoe Islands, Antarctica.

Rabot Island is an island 8 km (5 mi) long and 3 km (2 mi) wide, lying 1.6 km (1 mi) south of Renaud Island in the Biscoe Islands. First charted by the French Antarctic Expedition, 1903–05, under Jean-Baptiste Charcot, who named it for Charles Rabot.
Renaud Island is an ice-covered island, 40 km (25 mi) long and from 6.4 to 16.1 km wide, lying between the Pitt Islands and Rabot Island in the Biscoe Islands of Antarctica. It is separated from Pitt Islands to the northeast by Mraka Sound, and from Lavoisier Island to the southwest by Pendleton Strait. Zubov Bay is a 2.5 mile bay that indents the east side of the island.

Ribnik Island is a mostly ice-covered island in the Pitt group of Biscoe Islands, Antarctica. The feature is 1 km long in southwest-northeast direction and 500 m wide.
Slumkey Island is the largest island of the group lying east of Tupman Island, Pitt Islands, in the Biscoe Islands, Antarctica. It is separated from neighbouring Kereka Island to the east-northeast by an 80 m wide passage.
Snodgrass Island is an island 2.5 nautical miles (4.6 km) long lying northeast of Pickwick Island, Pitt Islands, in the Biscoe Islands. Shown on an Argentine government chart of 1957. It was named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1959 after the fictional character Augustus Snodgrass, a member of the Pickwick Club in Charles Dickens' The Pickwick Papers.

St. Brigid Island is the ice-covered island 2.7 km long in southwest–northeast direction and 1.4 km wide, largest in the Barcroft group of Biscoe Islands. Its surface area is 222 ha.

St. Christopher Island is the mostly ice-covered island extending 680 m in southwest–northeast direction and 580 m in southeast–northwest direction lying in Papazov Passage, Biscoe Islands. Its surface area is 24 ha.

St. Isidore Island is the ice-covered island 1.65 km long in southwest–northeast direction and 890 m wide in the Barcroft group of Biscoe Islands. Its surface area is 60.3 ha.
Suregetes Cove is the 2.47 km wide cove indenting for 1.9 km the N coast of Krogh Island in Biscoe Islands, Antarctica. It is entered east of Kuvikal Point and west of Zagrade Point.

Tambra Island is a mostly ice-covered island in the Pitt group of Biscoe Islands, Antarctica. The feature is 1.17 km long in southwest-northeast direction and 700 m wide, and is separated from the adjacent Jingle Island to the northeast by a 60 m wide passage.

Todorova Island is the triangular ice-covered island extending 1 km in southwest–northeast direction and 450 m in southeast–northwest direction, separated from the southwest coast of Belding Island in Biscoe Islands by a 1.2 km long passage narrowing to 80 m at points. Its surface area is 26.2 ha. The feature was formed as a result of the retreat of Belding Island's ice cap in 2011–2012.
Transmarisca Bay is the 4.3 km wide bay indenting for 3.2 km the north coast of Krogh Island in Biscoe Islands, Antarctica. It is entered east of Edholm Point and west of Kuvikal Point.
Tula Point is a point forming the northeast extremity of Renaud Island in the Biscoe Islands. Alino Island lies 1 km south-southeast of the point.
Vaugondy Island is a mostly ice-covered island on the northeast side of Johannessen Harbour in the Pitt group of Biscoe Islands, Antarctica. The feature extends 1.85 km in north-south direction and 1.68 km in east-west.
Vladigerov Passage is the passage long 5.8 km in southwest-northeast direction and 1.05 km wide in Biscoe Islands, Antarctica between Lavoisier Island on the east and Krogh Island on the west. The eponymous Vladigerov Island, 420 m long in southwest-northeast direction and 150 m wide, is lying in the narrowest part of the passage centred at 66°17′17″S 66°54′35″W, formed as a result of the retreat of the ice cap of Lavoisier Island in the early 21st century.

Watkins Island is a low lying, ice-covered island 5 miles (8 km) long, lying 3 miles (5 km) SW of Lavoisier Island in the Biscoe Islands. The island was first mapped by the French Antarctic Expedition under Jean-Baptiste Charcot, 1903–05 and 1908–10, but remained unnamed until resighted by the BGLE under Rymill, 1934–37. He gave the name Mikkelsen Island after Ejnar Mikkelsen, Danish Arctic explorer. In applying the name, Rymill was unaware of the existence of Mikkelsen Islands 75 mi (121 km) southwestward, named in 1908–10 by Charcot. To avoid confusion of the two, the UK-APC recommended in 1952 that the Rymill naming be amended. The new name, Watkins Island, commemorates Gino Watkins, leader of the British Arctic Air Route Expedition, 1930–31. A new feature, Mikkelsen Bay, has been named for Ejnar Mikkelsen.

Wiese Islands is a group of small islands lying 4.6 km (2.5 nmi) south of Karelin Islands, off the east side of Renaud Island in the Biscoe Islands. First accurately shown on an Argentine government chart of 1957. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1959 for Vladimir Wiese, Soviet climatologist and oceanographer, a pioneer of ice forecasting methods and author of numerous works on sea ice in the Arctic.
Winkle Island is the island lying between Tula Point and Pickwick Island, Pitt Islands, in the Biscoe Islands. It is separated from Renaud Island to the southwest by Mraka Sound.
Zagrade Point is the point on the east side of the entrance to Suregetes Cove on the north coast of Krogh Island in Biscoe Islands, Antarctica.

Zukriegel Island is an island 1.9 km (1 nmi) long, lying between Rabot Island and Hennessy Islands, in the Biscoe Islands. First accurately shown on an Argentine government chart of 1957. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1959 for Josef Zukriegel, Czechoslovakian geographer who specialized in sea ice studies.