Starokadomsky Island is located off the southeastern end of the Severnaya Zemlya archipelago and northeast of the Taymyr Peninsula.

Maly Taymyr Island lies on its southeastern side, separated by a 6 km wide sound.

Starokadomsky Island was discovered in 1913 by Boris Vilkitsky in the course of the Arctic Ocean Hydrographic Expedition.

[1] It was named after Dr. Leonid Starokadomsky, one of the leaders of the Arctic Ocean Hydrographic Expedition.

[2][3][4] In present times Starokadomsky Island belongs to the Krasnoyarsk Krai administrative division of the Russian Federation and is part of the Great Arctic State Nature Reserve – the largest nature reserve of Russia and one of the biggest in the world.