NM23-744-635 Cape Cod, Nantucket and Marthas Vineyard Islands, Massachusetts Spring 1997 Looking generally to the south, Cape Cod and the islands of Nantucket and Marthas Vineyard are visible in this synoptic view. Nantucket Island is located 30 miles (48 km) off the coast of southeast Massachusetts. The island is 14 miles (23 km) long and from 3 to 6 miles (5 to 10 km) wide. Nantucket Island has many sandy beaches and low rolling hills composed of sand and gravel. Marthas Vineyard is the larger of the two islands and is triangular shaped island situated 7 miles (11 km) off the southern coast of Massachusetts. Marthas Vineyard is 23 miles (37 km) wide (east to west) and 9 miles (14 km) long (north to south), and covers 100 sq. miles (259 sq. km). Both islands are favorite tourist and resort areas. North of Martha's Vineyard (right center), the Elizabeth Islands and Buzzards Bay are visible. Cape Cod Bay is in the lower left portion of the image.