Taymyr Island is a large island in the coast of the Kara Sea. Its length is 33 km and its average width about 10 km. This island is located west of the Taymyr Gulf in an area of skerries right off the western coast of the Taymyr Peninsula. The narrow strait between Taymyr island and the Siberian coast is called Proliv Taymyrskiy It is about 3 km wide on av…Taymyr Island is a large island in the coast of the Kara Sea. Its length is 33 km and its average width about 10 km. This island is located west of the Taymyr Gulf in an area of skerries right off the western coast of the Taymyr Peninsula. The narrow strait between Taymyr island and the Siberian coast is called Proliv Taymyrskiy It is about 3 km wide on average.