Martha's Vineyard (and the smaller Chappaquiddick Island nearby) is an island off the southern coast of Cape Cod, both forming a part of the Outer Lands region. It is often called just "the Vineyard". With a land area of 87.48 square miles (231.75 km²), Martha's Vineyard is the 57th largest island in the United States. It is located in the U.S. state of Massachusetts, in Dukes County, which also includes Cuttyhunk and the other Elizabeth Islands, as well as the island of Nomans Land.
Coordinates: 41°24′N 70°37′W / 41.400°N 70.617°W