Pustoi Island (Taĝilgadax[1] in Aleut) (53.3953°N -167.8253°W) is an island in the Fox Islands group of the eastern Aleutian Islands, Alaska. It is 0.3 miles across and is located in Umnak Pass 2 mi north of Ship Rock off the northeast coast of Umnak Island. The name is derived from the Russian "Ostrov Pustoy," meaning "desert island," a name given to it by navigator Peter Kuzmich Krenitzin and published by Captain Tebenkov in 1852.
. Knut Bergsland . 1994 . Aleut Dictionary . Alaska Native Language Center . Fairbanks .