Conanicut Island is the second largest island in Narragansett Bay, in the US state of Rhode Island. It is connected on the east to Newport, Rhode Island, on Aquidneck Island by the Claiborne Pell Bridge, commonly known as the Newport Bridge, and on the west to North Kingstown, Rhode Island, on the mainland by the Jamestown-Verrazano Bridge. The island comprises the town of Jamestown, Rhode Island, Newport County, Rhode Island.