Rugged Island is an island 3 miles (4.8 km) long and 1 mile (1.6 km) wide, lying west of Livingston Island in the South Shetland Islands. Its surface area is 10.4 square kilometres (4.0 sq mi). The island's summit San Stefano Peak rises to 256 metres (840 ft) above sea level. Rugged Island is located at 62°38′S61°15′W. Rugged Island was known to both American and British sealers as early as 1820, and the name has been well established in international usage for over 100 years.
Cape Sheffield is a cape forming the northwest extremity of Rugged Island in the South Shetland Islands, Antarctica. It was named for Captain James P. Sheffield, Master of the brig Hersilia of Stonington, Connecticut, in 1819–20 and 1820–21, the first American sealer known to have visited the South Shetland Islands. In 1819–20 he took 8,868 sealskins from headquarters at Rugged Island.
Morton Strait is the 9 km (4.9 nmi)-long and 6.2 km (3.3 nmi)-wide strait between Snow Island on the southwest and Rugged Island and Livingston Island on the northeast, in the South Shetland Islands, Antarctica. The Aim Rocks and Long Rock lie in the strait.
New Plymouth is a bay bordered by an extensive line of beaches, lying south of Start Point and between Rugged Island and the west end of Livingston Island in the South Shetland Islands, Antarctica.
Devils Point is a point marking the southwest extremity of Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica and forming the southeast side of the entrance to Osogovo Bay and the west side of the entrance to Raskuporis Cove. The point is separated from Vardim Rocks to the south by Hell Gates, and surmounted to the northeast by Lucifer Crags, a rocky bluff rising to 81 m at the south extremity of President Beaches. The area was visited by early 19th century sealers.
Robbery Beaches are beaches extending along the north side of Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica between Essex Point to the west and Nedelya Point to the east.
Kokalyane Point is the point on the west coast of Rugged Island in the South Shetland Islands, Antarctica forming the south side of the entrance to Bogomil Cove. Situated 810 m north-northwest of Benson Point, 970 m south of Ugain Point and 2.51 km south of Cape Sheffield.
Bakshev Ridge is a rugged rocky ridge on Rugged Island off the west coast of Byers Peninsula of Livingston Island in the South Shetland Islands, Antarctica extending 700 m in southeast-northwest direction, with a highest point of elevation 239 m situated 660 m east of San Stefano Peak, 1.25 km west of Vund Point, and 1.1 km northwest of Radev Point.
Mostich Hill is a rocky hill rising to 130 m in the southwestern part of Rugged Island off the west coast of Byers Peninsula of Livingston Island in the South Shetland Islands, Antarctica. Situated 780 m northeast of Benson Point, 3.16 km south-southeast of Cape Sheffield, and 3.78 km west of Radev Point.
Chiprovtsi Point is a point projecting 400 m (440 yd) northwestwards from the north coast of Rugged Island off the west coast of Byers Peninsula of Livingston Island in the South Shetland Islands, Antarctica, and forming the east side of the entrance to Nishava Cove. It is extended further 400 m (440 yd) northwestwards by the group of Chiprovtsi Islets, which are centred at 62°36′52″S61°16′09″W and named in association with the point.
Tsamblak Hill is a rocky hill trending 900 m in north-south direction, 450 m wide and rising to 113 m in eastern Byers Peninsula on Livingston Island in the South Shetland Islands, Antarctica.
Essex Point is a point at the northwest end of Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica. It forms the west side of the entrance to Barclay Bay and the northeast side of the entrance to Svishtov Cove, and is surmounted by Drong Hill.
Chester Cone is the ice-free peak rising to 188 m in the central part of Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica surmounting Midge Lake to the northwest.
Benson Point is the ice-free headland forming the southwest extremity of Rugged Island in the South Shetland Islands, Antarctica. It is a northwest entrance point for Morton Strait. The area was known to early 19th century sealers.
Window Island is a small ice-free island off the north coast of Ray Promontory in the northwest of Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica. The island has a surface area of 23 hectares and rises to 72 m (236 ft). It was known to the early 19th century sealers operating on Byers Peninsula.
Point Smellie is a small steep-sided headland extending into Osogovo Bay from President Beaches on Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica and dominated by Smellie Hill.
Laager Point is a conspicuous headland extending out from President Beaches on Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica facing Astor Island. It forms the southeast entrance point for New Plymouth harbour and the northeast entrance point for Osogovo Bay. The area was visited by 19th century sealers.
Cutler Stack is a conspicuous sea stack extending 170 by 150 m and rising to 16 m (52 ft), lying off Ivanov Beach in the south of Barclay Bay, western Livingston Island in the South Shetland Islands, Antarctica. The area was visited by early 19th century sealers.
Eddystone Rocks is a group of two rocks lying to the northwest of Rugged Island off western Livingston Island in the South Shetland Islands, Antarctica.
Hersilia Cove is the 650 m wide cove indenting for 800 m the north coast of Rugged Island in the South Shetland Islands, Antarctica west of Herring Point.
