Sarychev Island – an island located in the mouth of the Shimarev Bay, in the Lowland Kotzebue-Kobuk, the Chukchi Sea, Alaska, United States. The island is elongated and narrow and its length is 5 km, width 400 m, and the peak point 6 m over sea level. Distance to the mainland is 8 km. Shishmaref settlement and an airport are located on the island.
The island was named in 1816 by Russian navigator lieutenant Otto von Kotzebue in memory of vice admiral Gavriil Sarychev.