Vilkitsky Island (Russian: Oстров Вильки́цкого; Ostrov Vilkitskogo) is the southernmost island of the De Long group in the northern part of the East Siberian Sea. At barely 1.5 km sq it is the smallest island of the group. Highest elevetion is 70 meters. It is also outside of the limits of permanent ice and is unglaciated. Vilkitsky Island consists of deeply eroded nepheline basalt lava flows