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.
This home has been viewed 10 times
Last Checked: June 17th, 2026 at 9:58am (Source: MLS PIN #73506354)
Garage Parking
Air Conditioning
Waterview
Lead Paint Free
General Information for 3 Seal Harbor Road # 342, Winthrop MA 02152
Listing ID73506354
Property TypeCondominium
Price649000 ($498.46/SqFt)
Building Style2/3 Family
CityWinthrop
CountySuffolk
Neighborhood(s)
Total Parking3 (1 Garage)
Unit Level3
Levels in Unit1
Year Built1987
Year Built SourcePublic Records
Year Built DetailsActual
Building Construction StatusReady for Occupancy
Zoningres
Unit Features for 3 Seal Harbor Road # 342, Winthrop MA 02152
Approximate Living Area Total1302
Living Area Includes BasementNo
Rooms5
Bedrooms2
Primary En Suite BathroomYes
BasementFull
Cooling1, Split
LaundryArchway
Fireplaces
Outdoor SpaceNo
FlooringTile
Electric220 Volts
AppliancesRange
Condo Association Features for 3 Seal Harbor Road # 342, Winthrop MA 02152
Complex NameSeal Harbor
Pet PolicyNot Allowed
Building ManagementDeveloper Advisory Board
Building Construction StatusReady for Occupancy
Number of Units117
Year Built1987
Year Built DetailsActual
Year Built SourcePublic Records
WaterPublic
SewerPublic Sewer
Parking Features1
Building AmenitiesBeach Rights
Disclosures for 3 Seal Harbor Road # 342, Winthrop MA 02152
Lead PaintNone
UFFI
Living Area Includes BasementNo
Living Area Disclosure
Building Area SourcePublic Records
Special Listing Conditions
ExclusionsAll Appliances To Remain.
Compensation Based On
Documents Available
Financial Information for 3 Seal Harbor Road # 342, Winthrop MA 02152
Association Fee
Optional Fee0
Association Fee IncludesLandscaping
Optional Fee Includes
Association Fee FrequencyMonthly
Assessed Value$591,400
Real Estate Tax6103
Tax Year2025
Location Information for 3 Seal Harbor Road # 342, Winthrop MA 02152
Neighborhood(s)
Area AmenitiesWalk/jog Trails
Contact Information for 3 Seal Harbor Road # 342, Winthrop MA 02152