Base Alférez de Navío Sobral (1965) 81°05′S 40°00′W﻿ / ﻿81.083°S 40.000°W﻿ / -81.083; -40.000, Edith Ronne Land (now closed) Estación Científica Ellsworth (ex US) (1958) 77°45′S 41°00′W﻿ / ﻿77.750°S 41.000°W﻿ / -77.750; -41.000, Weddell Sea (now closed) Refuge Francisco de Gurruchaga 62°15′S 59°00′W﻿ / ﻿62.250°S 59.000°W﻿ / -62.250; -59.000, Nelson Island (open as hut) Base Ballvé 62°12′36″S 58°56′03″W﻿ / ﻿62.21000°S 58.93417°W﻿ / -62.21000; -58.93417, King George Island (open as hut) Belgrano I Base 77°47′S 38°15′W﻿ / ﻿77.783°S 38.250°W﻿ / -77.783; -38.250, Filchner-Ronne Ice Shelf (closed) Belgrano III Base 77°54′02″S 45°47′01″W﻿ / ﻿77.90056°S 45.78361°W﻿ / -77.90056; -45.78361, Filchner-Ronne Ice Shelf (closed) Camp Livingston 62°39′22″S 61°00′39″W﻿ / ﻿62.65611°S 61.01083°W﻿ / -62.65611; -61.01083, Byers Peninsula, Livingston Island Refugio Suecia 63°22′S 56°59′W﻿ / ﻿63.367°S 56.983°W﻿ / -63.367; -56.983, Snow Hill Island (built in February 1902 by the Swedish South Polar Expedition) Refuge Abrazo de Maipú 63°20′45″S 57°33′12″W﻿ / ﻿63.34583°S 57.55333°W﻿ / -63.34583; -57.55333, Trinity Peninsula (administered between Chile and Argentina)