Puffball Islands () is a scattered group of small, low, mainly ice-covered islands and rocks which extend about 10 nautical miles (18 km) in a NE-SW direction, lying in southern

Marguerite Bay Marguerite Bay or Margaret Bay is an extensive bay on the west side of the Antarctic Peninsula, which is bounded on the north by Adelaide Island and on the south by Wordie Ice Shelf, George VI Sound and Alexander Island. The mainland coast on th ...

off the west coast of

Antarctic Peninsula The Antarctic Peninsula, known as O'Higgins Land in Chile and Tierra de San Martín in Argentina, and originally as Graham Land in the United Kingdom and the Palmer Peninsula in the United States, is the northernmost part of mainland Antarctic ...

. The center of the group lies 23 nautical miles (43 km) north-northeast of

Cape Jeremy Cape Jeremy is a cape marking the east side of the north entrance to George VI Sound and the west end of a line dividing Graham Land and Palmer Land, Antarctica. It was discovered by the British Graham Land expedition, 1934–37, under John Riddoc ...

. It was first visited and surveyed in 1948 by the

Falkland Islands Dependencies Survey The British Antarctic Survey (BAS) is the United Kingdom's national polar research institute. It has a dual purpose, to conduct polar science, enabling better understanding of global issues, and to provide an active presence in the Antarctic on ...

(FIDS). The name, applied by FIDS, derives from association with

Mushroom Island Mushroom Island in the Antarctic is an ice-covered island lying west-southwest of Cape Berteaux, off the west coast of Graham Land Graham Land is the portion of the Antarctic Peninsula that lies north of a line joining Cape Jeremy and Cap ...

which lies 14 nautical miles (26 km) northeast of this group.

See also