At roughly 8 square kilometers, or about 3 square miles, Jost Van Dyke is the smallest of the four main islands of the British Virgin Islands, the northern portion of the archipelago of the Virgin Islands, located in the Atlantic Ocean and Caribbean Sea. Jost Van Dyke lies about 8 km to the northwest of Tortola and 8 km to the north of Saint John.  Little Jost Van Dyke lies off its eastern end.