Rhode Island Sound is a strait of water, off the coast of the state of Rhode Island at mouth of Narragansett Bay. It forms the eastern extension of Long Island Sound and opens out the Atlantic Ocean between Block Island and Martha's Vineyard.

Geographically, it is the eastward extension of Block Island Sound. Northeast of Rhode Island Sound is Buzzards Bay.

Category:Straits of Rhode IslandCategory:Intracoastal WaterwayCategory:Articles lacking sources (Erik9bot)
de:Rhode Island Sound