Long Beach (, ) is the ice-free beach on the southwest coast of Nelson Island in the South Shetland Islands, Antarctica, extending 1 km northwards from Ross Point. Its surface area is 24.7 ha. The area was visited by early 19th century sealers.
The beach is named after the American missionary Albert Long (1832-1901) who contributed greatly to the Bulgarian National Revival, and together with Elias Riggs organized the first translation (by Neofit Rilski), printing and dissemination of the Bible in modern Bulgarian language; in association with other Bulgarian historical names in the area.
Long Beach is centred at , which is 3.39 km southeast of The Toe, 6.88 km west of Ivan Alexander Point and 3.54 km west-northwest of Vidaurre Point, the south extremity of the island. British mapping of the area in 1968.