Adam Dow Real Estate

New Castle

New Castle, New Hampshire is the smallest and easternmost town in the state. It is also the state’s only island town. Originally nicknamed the great island, this small town offers scenic water views, a tight-knit community, and a simple lifestyle. There is plenty to see and do within New Castle, making it a must-see town as you explore the Seacoast Region of New Hampshire.

boats in bay


Located on New Hampshire’s seventeen-mile coastline, New Castle is the only town in the state comprised entirely of islands. The town is only accessible by bridges located in the neighboring towns of Rye and Portsmouth, offering a sense of exclusivity and privacy. You’ll find plenty of seaside beaches, marinas, and neighbors taking in the picturesque views the island has to offer.

fishing pier

The Island

New Castle may be limited in its size, but the town is packed with things to do. In addition to the countless water activities readily available, the town is home to several attractions including The Great Island Common Recreational Park, Fort Constitution Park & Fort Stark State Park. There are also excellent shopping and dining options at your convenience, as well as breathtaking water views for you to enjoy. Explore the great island, and discover why New Castle, NH is a great place to call home.

chairs sunset on lake
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