The view is nothing short of spectacular. Located on a small peninsula in between the south end of Portsmouth and the New Castle causeway. This 1850 antique colonial has been well cared for featuring 3 working fireplaces, exposed beams & authentic wide pine floors. The yard has lovely well attended perennial gardens and there is parking for 2 cars plus a newly built 2 car garage. This home comes with a boat mooring in the deep water channel and your own dock. Just a 3/4 mile to market square this is truly a rare opportunity to own this kind of waterfront property in historic Portsmouth, NH.

Property Details of 379 New Castle Avenue

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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 July 22, 2026 2:22 AM UTC

 

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