Which marginal sea of the Arctic Ocean lies between the New Siberian Islands and Wrangel Island?

The marginal sea between the New Siberian Islands and Wrangel Island is the East Siberian Sea.

The East Siberian Sea is a marginal sea of the Arctic Ocean off Russia’s far northeastern coast. It stretches from the New Siberian Islands toward Wrangel Island, with the Chukchi Sea generally lying beyond Wrangel Island to the east. Its western connections also bring it near the Laptev Sea, which explains why those names can be confusing in a map-based quiz.

Much of the sea is shallow and covered by sea ice for long periods. Rivers including the Kolyma and Indigirka deliver freshwater and sediment from Siberia, while the surrounding tundra coast is extremely remote and sparsely populated. Seasonal navigation is possible but strongly constrained by ice conditions.

Wrangel Island is a useful geographic landmark: it separates the East Siberian Sea from the Chukchi Sea at the Arctic’s northeastern edge. The Laptev Sea is instead west of the New Siberian Islands, and the Kara Sea lies farther west beyond the Severnaya Zemlya region.