Condominium at 1 Seal Harbor, Winthrop MA 02152, Winthrop
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$775,000

1 Seal Harbor, Winthrop MA 02152
Winthrop, MA 02152
Listed by Meg Grady
Bedrooms
2
Bathrooms
2
Living area
1,417 sqft
Year built
1983

About this home

Turnkey corner PENTHOUSE unit in Seal Harbor offering sweeping Atlantic Ocean views from a private top-flr balcony this 2023 renovated 2BR/2BA residence showcases oversized windows that flood the living area with natural light, built-in window seat, white oak HW floors throughout, and an elegant inlay foyer detail beneath skylight/ recessed lighting. Updated kitchen features soapstone counters, SS appliances, blue glass backsplash + sunny breakfast nook. Ocean-facing primary suite offers a walk-in spa shower, custom vanity/detailed tile work. 2nd bedroom has brand new custom walk in closet and pocket-door access to a full bath. Entry foyer includes built-in bench + laundry closet. Add’l storage and deeded garage D8 spot. Enjoy an exceptional coastal lifestyle with resort-style amenities: in-ground pool, tennis cts, fitness ctr, sauna, game rm, clubhouse and concierge/security. Near Winthrop Beach, marinas, dining, shopping/ public transit

Highlights

Waterfront

Property details

MLS #
73532729
Property type
Condominium
Subdivision
N/A
Status
Active
Days on market
121
On market date
June 9, 2026
Stories
1
Total bathrooms
2
Garage spaces
1
Parking spaces
2
Lot size
N/A
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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
William P. Gorman/Fort Banks Elementary
0.66 mi away · Grades -1-2
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
481
Student:teacher ratio
12.7:1
District
Winthrop
Middle
Winthrop Middle School
0.79 mi away · Grades 6-8
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
423
Student:teacher ratio
11.1:1
District
Winthrop
High
Winthrop High School
0.8 mi away · Grades 9-12
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
564
Student:teacher ratio
13.4:1
District
Winthrop

Walkability

Blended score for Winthrop'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).

69
Walkable
out of 100
EPA National Walkability Index
13.0 / 20 -- Above average walkable
Google Places amenity density
75 / 100
Restaurants & cafes14
Grocery stores1
Parks14
Schools6
Transit stops20
Pharmacies0

Market position

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

On the market 121 days -- 42 more days than Winthrop's current average of 79 days.
For reference, the median list price across 229 active listings in Winthrop right now is $499,900.

Mortgage calculator

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

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Est. monthly payment
$4,817/mo
$155,000 down
$620,000 loan
Principal & interest$4,021
Property tax (est.)$646
Home insurance (est.)$150

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Data source: Listing information provided by MLS Property Information Network via Trestle/CoreLogic. Last updated August 21, 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.