Bay of Isles
bay along the coast of South Georgia

The Bay of Isles is a bay 9 miles (14 km) wide and 3 miles (5 km) deep, lying between Cape Buller and Cape Wilson along the north coast of South Georgia. It was discovered in 1775 by a British expedition under James Cook and so named by him because numerous islands (at least 12) lie in the bay. Of South Georgia's 31 breeding bird species, 17 are found here.
Named features
The features around the Bay of Isles have been charted and named by a number of Antarctic expeditions since 1775. The bay is wide, and has a complex coastline that includes many subsidiary bays, coves, inlets, and other features, many of which have named headlands and points between them.
The west coast of the Bay of Isles is roughly C-shaped. Its northernmost point is the rugged headland Cape Buller; Cleveland Rock sits nearby. Pyramid Peak rises over the cape. Just southeast of the cape sits Barlas Bank, a small submarine bank. At the top of the C-shape, Koppervik Cove indents the north coast of the west side of the bay, with Breakwater Point marking the cove's west edge.
This brief starts where responsible research should: with the source description of “Bay of Isles” as bay along the coast of South Georgia. Everything that follows is an evidence route, not borrowed authority.
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The subject matters to the general reference register because the source frames it as bay along the coast of South Georgia. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jul 31, 2025. The linked authority identifier is Q2879786. Authority coordinates are -54.033, -37.333. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1775.
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This entry incorporates text from “Bay of Isles” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.