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About this home
Seal Harbor in Winthrop offers an elevated coastal living experience that is unparalleled. Timeless detail inside & out of this building is complemented by white-glove concierge service. Unit 342 is a luxury residence with ocean & pool views from every window. It is conveniently located a few steps from the new elevators & welcomes you into an open floor plan with striking natural sunlight; hardwood floors & a modern kitchen with island dining. Unit offers 2 spacious bedrooms with marble en-suite baths & walk-in closets. A private oversized balcony is the crown jewel with magnificent views. Conveniences include garage parking, extra storage ideal for seasonal items, in-unit laundry & central A/C. Residents enjoy premium amenities such as game room, club room with full kitchen, hobby room & multiple meeting rooms. Building also showcases a fitness center, sauna, hot tub, indoor pool & roof deck with Boston skyline & ocean views. Seal Harbor is a hidden gem on the Boston City line.
Highlights
Property details
- MLS #
- 73506354
- Property type
- Condominium
- Subdivision
- N/A
- Status
- Active
- Days on market
- 168
- On market date
- April 23, 2026
- Stories
- 1
- Total bathrooms
- 2
- Garage spaces
- 1
- Parking spaces
- 2
- Lot size
- N/A
Location
Get directions →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).
- Enrollment
- 481
- Student:teacher ratio
- 12.7:1
- District
- Winthrop
- Enrollment
- 423
- Student:teacher ratio
- 11.1:1
- District
- Winthrop
- 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).
Market position
How this listing compares to current activity in Winthrop, from live MLS data.
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Data source: Listing information provided by MLS Property Information Network via Trestle/CoreLogic. Last updated September 2, 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.







