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75 Marina Heights Road, 
New Castle, NH 03854

$4,999,999


4

Beds


6

Baths


6,099

Sq Ft


Single Family


Virtual Tour

Active

Listed by

Jennifer Madden, Cell: 603-247-2900

Gibson Sotheby'S International Realty

978-255-3569

Last updated:

May 23, 2026, 10:25 AM

MLS#

5078606

Source:

PrimeMLS

About This Home

75 Marina Heights Road

A rare offering in the coveted Marina Heights enclave of Wentworth by the Sea. This 4,200+ Sq. Ft., four bedroom (+office), six bath residence features an expansive main level with ten foot ceilings and floor-to-ceiling windows that frame breathtaking views of the Marina and the Atlantic Ocean, and maximize the southern exposure making the living spaces light and bright. A dramatic two-story foyer welcomes you into a sun-drenched living room, which seamlessly flows into a chef-friendly kitchen anchored by a long peninsula island for gathering. The kitchen is open to the family room that features a wood-burning fireplace. Step out onto the oversized deck—the ultimate vantage point for coastal entertaining. Functionality meets style with a dedicated mudroom and separate laundry room off the attached garage, and a large pantry off the kitchen. For intimate gatherings, the dining room has a cozy, tavern inspired feel with custom built-ins, and can easily accommodate many dinner guests. Widely considered the premier floor plan in the neighborhood, the main level offers *almost* one-floor living, with the luxurious primary suite just two steps up from the living areas. It includes direct deck access, a sprawling walk-in closet, and a spa-like bath with an oversized walk-in shower, soaking tub, and a water closet with a bidet. Upstairs provides three additional bedrooms (two en suite), plus an office, an additional 3/4 bathroom, and a cedar closet. The walk-out lower level features a six-seat wet bar, billiards area and a climate-controlled wine cellar, a dedicated space potential for a home gym and potting shed, all while maintaining direct outdoor access and ocean views. The attached three-car garage and exclusive access to the association pool, tennis courts, beach, and marina will seal the deal. New Castle taxes are famously low. Very walkable, bike-friendly, just minutes from downtown Portsmouth, beaches, boating, restaurants and more. Residents are prioritized for marina boat slips.

Home Facts

Single Family

6 Baths

4 Bedrooms

Built in 1997

Price Summary

4,999,999

$819 per Sq. Ft.

MLS #:

5078606

Last Updated:

May 23, 2026, 10:25 AM

Added:

2 month(s) ago


Rooms & Interior

Bedrooms

Total Bedrooms:

4

Bathrooms

Total Bathrooms:

6

Full Bathrooms:

2

Interior

Living Area:

6,099 Sq. Ft.


Structure

Structure

Building Area:

6,859 Sq. Ft.

Year Built:

1997


Lot

Lot Size (Sq. Ft):

15,682


Finances & Disclosures

Finances

Price:

$4,999,999

Price per Sq. Ft:

$819 per Sq. Ft.

MLS Logo
Copyright 2026 Prime MLS, Inc. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this Site comes in part from the IDX Program of Prime MLS. The information being provided is for consumers’ personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated May 26, 2026

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Contact an Agent

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If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.