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Portsmouth Rhode Island ☎ +1 401-849-8048 Last Updated: 04/19/2026 |
| Portsmouth is a town in Newport County, Rhode Island. Its population was 17,871 according to the 2020 U.S. Census. Portsmouth boasts numerous historical landmarks, a public golf course, a marina, antique shops, and more. Portsmouth also comprises four islands: Prudence Island, Patience Island, Hope Island, and Hog Island. | |
| Portsmouth is the second oldest city in Rhode Island, after Providence; it was one of four colonies that merged to form the Colonial Rhode Island and Providence Plantations, the other three being Providence, Newport, and Warwick. | |
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Prudence Island Place » Island Prudence Island is the third largest island in Narragansett Bay after Aquidneck and Conanicut, belonging to the state of Rhode Island and part of the town of Portsmouth, Rhode Island. Prudence Island is also the largest island in the bay without a land connection to the mainland. It is accessible year-round by ferry service from Bristol, Rhode Island. 13 views 💖 1 👍 0Portsmouth, Rhode Island |