楠塔基特湾是南极洲的海湾，位于帕尔默地东岸，处于史密斯半岛和鲍曼半岛之间，长24公里、宽11公里，在1940年由美国研究队发现，现时由南极条约体系管理。

Nantucket Inlet (74°35′S 61°45′W / 74.583°S 61.750°W / -74.583; -61.750) is an ice-filled inlet 6 nautical miles (11 km) wide, which recedes 13 nautical miles (24 km) in a northwest direction between the Smith Peninsula and Bowman Peninsula, along the east coast of Palmer Land, Antarctica. Discovered by members of the United States Antarctic Service (USAS) in a flight from East Base on December 30, 1940, and named for Nantucket Island, MA, home of early New England whalers of the first half of the 19th century.