|Length||11 km (6.8 mi)|
|Administered under the Antarctic Treaty System|
McNamara Island is a mainly ice-covered island, 11 kilometres (6 nmi) long, which is partly within the north edge of the Abbot Ice Shelf, Antarctica, about 20 nautical miles (37 km) east of Dustin Island. It was discovered by Rear Admiral Byrd and members of the United States Antarctic Service on flights from the USS Bear, February 27, 1940, and was named by Byrd for John McNamara, boatswain on the Jacob Ruppert of the Byrd Antarctic Expedition of 1933–35.
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