For sale
$35,000,000
List price at time of video
518 New Castle Avenue, Portsmouth, NH 03801
CommunityShapleigh Island
- 6 beds
- 8 baths
- 5 cars garage
- 13,451 sqft
- 2 stories
- 7.7 acre lot
- 2001 year built
- House
- $2,602 per sqft
Video tour by Mitch Varley
Published Oct 14, 2026
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Listed by Mitch Varley · Compass New England, LLC
Information was compiled from the video and its description on Nov 1, 2026 and may have changed. Confirm price, availability and features with the agent or builder.
Home features
- Waterfront
- Outdoor kitchen
- Fireplace