New Castle Island Houses for Sale

This elegant custom William Ross design home blends classic historical influence with the functionality of modern living. Just 12 years young, it showcases exceptional craftsmanship, thoughtful design, and top-tier finishes throughout. Privately set at the end of Colonial Lane, the home is surrounded by gardens offering the perfect balance of seclusion and convenience. Just minutes from downtown

Janet Sylvester Great Island Realty LLC

Stunning 4 bedroom Contemporary Cape style home in sought after Wentworth community on New Castle. Located on large, 0.49 private lot tucked at the end of Harborview St. This immaculate home features meticulous landscaping and boasts incredible privacy with fenced in backyard, mature trees and partial water views. Enjoy the many benefits of Wentworth living with access to the pool, community

Jeffrey Mountjoy The Aland Realty Group

42 Main Street is an updated antique colonial located in the heart of New Castle village. It's within walking distance of the Great Island Cafe and a short stroll to the beach. The property offers views of the Piscataqua River from the patio and inside you'll find stunning wood floors, exposed brick and fireplaces that add to its character and charm. The second floor features two generous

Laura Ludes Madden Group

Welcome to your perfect summer sanctuary in the heart of New Castle, NH—where coastal charm, timeless character, and a front-row seat to the Piscataqua River come together in one unforgettable setting. Tucked away on a quiet side street, this delightful antique cottage is designed for those who dream of effortless summer living by the sea. While fully equipped for year-round comfort, the home

Laura Ludes Madden Group

Not in a Flood Zone! Mooring Possibility! Large waterfront lot .68 acres providing endless building expansion capabilities to suit your desires! 174' of waterfrontage with direct water access! High & Dry! Look to embrace the serenity of island living in quintessential New Castle! Sitting nicely perched on BOS'NS' Hill overlooking the Piscataqua River Back Channel/Little Harbor. Enjoy kayaking,

Jason Saphire www.HomeZu.com

Welcome to 30 Oliver Street, a rare opportunity to own a custom-built 4-bedroom, 4-bath home in the heart of New Castle. Designed by renowned Maugel Destefano Architects and built by Auger Builders, this residence blends timeless craftsmanship with modern coastal style and high-end finishes throughout.The stunning kitchen features cathedral ceilings, a large center island, hidden pantry,

Jim Giampa Carey Giampa, LLC/Rye