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Discovery Bay is a bay 5 km (3 mi) long and 3 km (2 mi) wide, indenting the north side of Greenwich Island, in the South Shetland Islands of Antarctica. It had been known to sealers in the area since about 1821. It was charted and named in 1935 by Discovery Investigations personnel on the Discovery II.
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Map of Discovery Bay, Antarctica
The Chilean Antarctic Expedition of 1947, under the command of Captain Federico Guesalaga Toro, decided to rename the name Bahía Chile as the site of Chile's first permanent Antarctic base, Base Soberanía, now Capitán Arturo Prat Base.
Antarctic Specially Protected Area
Two marine sites in the bay have collectively been designated Antarctic Specially Protected Area (ASPA) 144 (formerly SSSI 26), to protect the bay’s benthic communities, which have relatively high species diversity and biomass and have been subject to a long-term research program.