It is located on the eastern side of Taui Bay, 20 km (12 mi) west of Cape Taran, Koni Peninsula, about 50 km (31 mi) south of the city of Magadan.
[1] Administratively Zavyalov Island belongs to the Magadan Oblast of the Russian Federation.
Zavyalov Island was frequented by American whaleships cruising for bowhead whales between 1849 and 1885.
[2] Whaleboats spent the night camping on the island to search for whales the following morning.
[3] They also obtained wood[4] from the island and caught fish offshore.