Single Family Residence at 231 Carnegie Harbor Drive, Portsmouth
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$5,199,000

231 Carnegie Harbor Drive
Portsmouth, RI 02871
Listed by Joseph Costa
Bedrooms
5
Bathrooms
7.5
Living area
7,215 sqft
Year built
2006

About this home

Nestled within the private gates of Carnegie Harbor, one of Rhode Island’s most exclusive waterfront communities, this beautifully renovated residence offers luxury, privacy, and coastal living. Completely turnkey, the home blends timeless architecture with sophisticated modern finishes. Expansive living spaces capture sweeping views of Narragansett Bay and spectacular sunsets. Set just off the shoreline, the property enjoys panoramic water views while offering added protection from direct waterfront exposure. Designed for entertaining and everyday living, the home features a finished lower level ideal for recreation or guests. Outside, a professionally designed putting green, chipping area, and practice bunker create a resort-style amenity rarely found. Residents enjoy direct gated access to Aquidneck Marina, while the Aquidneck Club golf course is moments away. Downtown Newport, world-class sailing, beaches, fine dining, and shopping are all within minutes. A rare opportunity exists to purchase the beautifully landscaped adjoining parcel, the only available buildable lot within Carnegie Harbor. Expand the estate, create guest accommodations, or preserve exceptional privacy, an offering seldom available in this coveted community. Whether hosting family gatherings, welcoming summer guests, or enjoying a quiet evening overlooking the Bay, this exceptional property offers an unmatched blend of luxury, recreation, and coastal living. Adjacent lot available separately or pkg

Highlights

Fireplace

Property details

MLS #
1417769
Property type
Single Family Residence
Subdivision
Aquidneck Club
Status
Active
Days on market
10
On market date
July 14, 2026
Stories
N/A
Total bathrooms
7.5
Garage spaces
2
Parking spaces
8
Lot size
0.75 acres
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Nearby schools

Within 10 miles. School directory data from the National Center for Education Statistics (NCES), accessed via the Urban Institute Education Data API. Local Score is calculated by INNOVATE Real Estate; where a state rating is shown, it comes from that state's own official school report card (e.g. NC Dept. of Public Instruction, SC Report Card).

Elementary
Howard Hathaway School
1.35 mi away · Grades 0-4
Nearest school -- attendance-zone data not available here
3.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
416
Student:teacher ratio
15.4:1
District
Portsmouth
Middle
Portsmouth Middle School
4.27 mi away · Grades 5-8
Nearest school -- attendance-zone data not available here
4.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
635
Student:teacher ratio
12.2:1
District
Portsmouth
High
Portsmouth High School
1.12 mi away · Grades 9-12
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
824
Student:teacher ratio
11.8:1
District
Portsmouth

Walkability

Blended score for Portsmouth's center, calculated by INNOVATE Real Estate from two sources: the EPA's National Walkability Index (street network, transit, land-use mix) and Google Places amenity data (what's actually reachable on foot from this point). 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).

63
Walkable
out of 100
EPA National Walkability Index
14.8 / 20 -- Above average walkable
Google Places amenity density
45 / 100
Restaurants & cafes0
Grocery stores0
Parks5
Schools5
Transit stops12
Pharmacies1

Market position

How this listing compares to current activity in Portsmouth, from live MLS data.

On the market 10 days -- 64 fewer days than Portsmouth's current average of 74 days.
For reference, the median list price across 239 active listings in Portsmouth right now is $699,900.

Mortgage calculator

Estimate only - actual rate and payment depend on your lender, credit, and loan program.

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Est. monthly payment
$31,459/mo
$1,039,800 down
$4,159,200 loan
Principal & interest$26,976
Property tax (est.)$4,333
Home insurance (est.)$150

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Data source: Listing information provided by Rhode Island Association of REALTORS via Trestle/CoreLogic. Last updated July 25, 2026.

Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.