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Listed by Margaret Pesce of Great Island Realty LLC

Sold by KW Coastal and Lakes & Mountains Realty

110 Main Mast CircleNew Castle, NH 03854Sale Price: $2,900,000

  • Sale Price: $2,900,000
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Federal 30-year interest rate: 6.48% last updated on Jun 4, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
  • $2,900,000Sale Price
  • 5Bedrooms
  • 4Bathrooms
  • 0.35Acreage
  • 4,930Square Feet

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Stunning opportunity in New Castle. This property is tucked away in one of New Castle's most desirable neighborhoods. The home features vaulted ceilings with large windows throughout for an incredibly bright and airy feel. The open floorplan is perfect for entertaining with the kitchen flowing right through the main living space. A large living room is centered by a wood burning fireplace and is adjacent to a formal dining room. Upstairs features spacious bedrooms, including a master bedroom suite with vaulted ceilings and a private guest quarters with its own bath. The partially finished basement complete with full bar and billiard room is perfect for entertaining. The outside space has everything you need, heated pool, hot tub, built in firepit, grill and fireplace make this home the perfect oasis. Close proximity to downtown Portsmouth, shopping, restaurants, beaches, fishing, boating, and the Wentworth by the Sea Hotel & Spa, Marina and Country Club. And of course, low New Castle taxes. Don't miss this incredible opportunity! Be sure to watch the attached video tour. Showings start Thursday, July 22nd after 12:00 pm by appointment.

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Copyright 2026 PrimeMLS, Inc. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this display comes in part from the IDX Program of PrimeMLS. The information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated June 10, 2026 10:25 PM EDT

 

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