Nereid Lake (Bulgarian: езеро Нереида, romanized: ezero Nereida, IPA: [ˈɛzɛro nɛrɛˈidɐ]) is the trapezoidal lake 450 m long in west-southwest to east-northeast direction and 90 m wide in the eastern part of Flamingo Beach on the north coast of Greenwich Island in the South Shetland Islands, Antarctica. It has a surface area of 3.8 ha and is separated from the waters of Orión Passage by a 20 to 40 m wide strip of land.^[1] The area was visited by early 19th century sealers.^[2]

The feature is named after the Nereids, sea nymphs of Greek mythology.^[1]

Nereid Lake is situated just west of Agüedo Point and centred at 62°26′37″S 59°47′41″W / 62.44361°S 59.79472°W / -62.44361; -59.79472, which is 800 m east-southeast of Brusen Point. Bulgarian mapping in 2009 and 2017.

• L. Ivanov. Antarctica: Livingston Island and Greenwich, Robert, Snow and Smith Islands. Scale 1:120000 topographic map. Troyan: Manfred Wörner Foundation, 2009. ISBN 978-954-92032-6-4
• L. Ivanov. Antarctica: Livingston Island and Smith Island. Scale 1:100000 topographic map. Manfred Wörner Foundation, 2017. ISBN 978-619-90008-3-0
• Antarctic Digital Database (ADD). Scale 1:250000 topographic map of Antarctica. Scientific Committee on Antarctic Research (SCAR). Since 1993, regularly upgraded and updated

• Antarctic lakes

• Nereid Lake. SCAR Composite Gazetteer of Antarctica
• Bulgarian Antarctic Gazetteer. Antarctic Place-names Commission. (details in Bulgarian, basic data in English)

• Nereid Lake. Adjusted Copernix satellite image

This article includes information from the Antarctic Place-names Commission of Bulgaria which is used with permission.