High Quality Content by WIKIPEDIA articles! Wrangel Island is an island in the Arctic Ocean, between the Chukchi Sea and East Siberian Sea. Wrangel Island lies astride the 180° meridian. The International Date Line is displaced eastwards at this latitude to avoid the island as well as the Chukchi Peninsula on the Russian mainland. The closest land to Wrangel Island is tiny and rocky Herald Island located 60 km (37 mi) to the east. Wrangel Island is about 125 km (78 mi) wide and 7,600 km2 (2,900 sq mi) in area. It consists of a southern coastal plain that is as wide as 15 km (9.3 mi); a central belt of low-relief mountains; and a northern coastal plain that is as wide as 25 km (16 mi).