Block Island Sound

Block Island Sound, shown shaded in red, between the coast of the Rhode Island and Block Island.

Block Island Sound is a strait in the open Atlantic Ocean, approximately 10 miles (16 km) wide, separating Block Island from the coast of Rhode Island in the United States. Geographically, it is the eastward extension of Long Island Sound, as well as the westward extension of Rhode Island Sound. It extends to Fishers Island.

Block Island Sound in pop culture

Block Island Sound is mentioned in singer Billy Joel's song Downeaster 'Alexa', about the plight of fishermen off Long Island, New York.