Seal Harbor Three Condominium

Listing Tools

A rare offering at the prestigious Seal Harbor III, this exceptional corner residence captures breathtaking panoramic water views from an expansive, light filled interior and a private balcony - perfect for enjoying morning coffee, evening sunsets, or simply taking in the every changing waterfront scenery. Completely reimagined with a full gut reno in 2010, the home showcases timeless design, an open concept floor plan, and impeccable craftsmanship throughout. Thoughtfully curated with luxurious finishes and custom details, the residence is designed for both elegant entertaining and effortless everyday living. The spa-inspired primary bath features a steam shower, while the versatile second bedroom-equally suited as a den or private office-is enhanced by a striking custom leather accent wall. Seal Harbor III offers an unmatched lifestyle with exceptional amenities, including 24 hour concierge deeded garage parking (D41T), outdoor parking, heated indoor pool/hot tub, outdoor pool, storage closet, clubhouse, tennis courts and so much more.

More Info

Basic Information

  • Bedrooms2
  • Mls StatusNew
  • Bathroom2
  • Parcel Number 1425374
  • Unit Number336

Tax Information

  • Tax Assessed Value $941,100
  • Tax Year 2026
  • Taxes$10,484

Parking

  • Parking Spaces2
  • Covered Spaces 1
  • Garage YN Yes
  • Open Parking YN Yes
  • Parking Features
    • Common
    • Deeded
    • Exclusive Parking
    • Guest
    • Heated Garage
    • Off Street
    • On Street
    • Paved
    • Under

Rooms

  • Bathroom 1 Third
  • Bathroom 2 Third
  • Bathrooms Total Decimal 1.5
  • Bedroom 2 Third
  • Dining Room Third
  • Full Bath1
  • Half Baths1
  • Kitchen Third
  • Living Room Third
  • Master Bedroom Third

Basic Information

  • List Price$859,900
  • MLS Number73554136
  • Modification Date07/24/2026
  • Property SubTypeCondominium

Location

  • NeighborhoodWinthrop Highlands
  • SubdivisionWinthrop Highlands
  • Address3 Seal Harbor
  • Building Number3
  • CountySuffolk
  • StateMA
  • StreetSeal Harbor
  • TownWinthrop
  • Zip02152

Building

  • Attached Garage YN Yes
  • BasementY
  • Building Area Units Square Feet
  • Common Walls End Unit, Corner
  • Construction Materials Brick
  • Door Features Insulated Doors
  • Entry Level 3
  • Garage Spaces1
  • Patio And Porch Features Deck - Roof, Deck - Access Rights, Deck - Roof + Access Rights, Covered
  • Property NameSeal Harbor Three Condominium
  • Rooms5
  • Stories1
  • Utilities For Electric Range, For Electric Oven, For Electric Dryer
  • Window Features Insulated Windows
  • Year Built1987
  • Year Built Details Actual
  • Year Built Source Public Records

Property

  • Other Structures Gazebo

Interior

  • Flooring Wood, Tile, Hardwood

Exterior

  • Exterior Features
    • Balcony
    • Covered Patio/Deck
    • Deck - Access Rights
    • Deck - Roof
    • Deck - Roof + Access Rights
    • Gazebo
    • Hot Tub/Spa
    • Professional Landscaping
    • Sprinkler System
    • Tennis Court(s)
  • Fencing Security
  • RoofRubber

Utilities

  • Cooling Heat Pump, Individual, Unit Control
  • Cooling YN Yes
  • Electric Circuit Breakers
  • Heat SystemYes
  • Heating Heat Pump, Electric, Individual, Unit Control
  • Sewer Public Sewer
  • Water Source Public

Property Information

  • Square Feet1,674
  • Building Area Source Public Records
  • Living Area 1,674
  • Lot Size Units Acres
  • Property Attached YN Yes
  • Spa YN Yes
  • Structure Type High-Rise

Amenities

  • Amenities
    • Bike Path
    • Conservation Area
    • House of Worship
    • Laundromat
    • Medical Facility
    • Park
    • Pool
    • Public School
    • Public Transportation
    • Shopping
    • Tennis Court(s)
    • Walk/Jog Trails
  • Appliances IncludedRange, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
  • Association Amenities
    • Clubroom
    • Elevator(s)
    • Fitness Center
    • Laundry
    • Pool
    • Sauna/Steam
    • Storage
    • Tennis Court(s)
    • Trail(s)
  • Green Energy Efficient Thermostat
  • Other AmenitiesTennis, Waterfront, Water View
  • PetsYes w/ Restrictions
  • Pool Features Association, In Ground, Indoor, Heated
  • Security Features Intercom, TV Monitor, Doorman, Concierge

Water Body

  • Miles to Beach0.5
  • WaterfrontYes
  • Waterfront Features Waterfront, Ocean, Frontage, Walk to, Public, Ocean, Walk to,3/10 to 1/2 Mile To Beach, Beach Ownership(Public)

Other

  • Association Fee $1,365
  • Association Fee Includes
    • Insurance
    • Maintenance Grounds
    • Maintenance Structure
    • Reserve Funds
    • Road Maintenance
    • Security
    • Sewer
    • Snow Removal
    • Trash
    • Water
  • Date Listed07/23/2026
  • Farm Land Area Units Square Feet
  • Spa Features Hot Tub/Spa
  • View Count1

Map Location

Driving Directions

Listed by Cathie Curran of Charlesgate Realty Group,llc

Hi there! How can we help you?

Contact us using the form below or give us a call.

Send Us A Message:

I agree to receive marketing and customer service calls and text messages from Castles Unlimited. To opt out, you can reply 'stop' at any time or click the unsubscribe link in the emails. Consent is not a condition of purchase. Msg/data rates may apply. Msg frequency varies. Privacy Policy.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Hi there! How can we help you?

Contact us using the form below or give us a call.

Send Us A Message:

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Hi there! How can we help you?

Contact us using the form below or give us a call.

Send Us A Message:

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

$

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.