Grand Lagoon (, ) is a freshwater lagoon of elevation on Bulgarian Beach, Hurd Peninsula in eastern Livingston Island, in the South Shetland Islands, Antarctica. Formed by Rezovski Creek and separated from sea by a moraine of elevation near . Surmounted by Pesyakov Hill. On the northeast side of the lagoon is the helipad of the Bulgarian base, and on its southwest side — the designated embarkation area and a shed hosting the base's Zodiac inflatable boats. A descriptive name, established in use at the time of approval.
Location The midpoint of the lagoon is located at . Bulgarian mapping from a ground survey accomplished during the austral summer of 1995–96.
Maps L.L. Ivanov. St. Kliment Ohridski Base, Livingston Island. Scale 1:1000 topographic map. Sofia: Antarctic Place-names Commission of Bulgaria, 1996. (The first Bulgarian Antarctic topographic map, in Bulgarian) L.L. Ivanov. Livingston Island: Central-Eastern Region. Scale 1:25000 topographic map. Sofia: Antarctic Place-names Commission of Bulgaria, 1996. L.L. Ivanov. Antarctica: Livingston Island and Greenwich, Robert, Snow and Smith Islands. Scale 1:120000 topographic map. Troyan: Manfred Wörner Foundation, 2009. Bulgarian Base (Sheet 1 and Sheet 2): Antarctica, South Shetland Islands, Livingston Island. Scale 1:2000 topographic map. Sofia: Military Geographic Service, 2016. (in Bulgarian, map images on slides 6 and 7 of the linked report) L.L. Ivanov. Antarctica: Livingston Island and Smith Island. Scale 1:100000 topographic map. Manfred Wörner Foundation, 2017.
References Grand Lagoon. SCAR Composite Antarctic Gazetteer Bulgarian Antarctic Gazetteer. Antarctic Place-names Commission. (details in Bulgarian, basic data in English)
This article includes information from the Antarctic Place-names Commission of Bulgaria which is used without permission.