Seal Harbor Condominiums

Listing Tools

Experience elevated waterfront living in this stunning 3 bedroom, 3 bath penthouse at the prestigious Seal Harbor III. This exceptional two-level residence features a spacious open-concept floor plan designed to maximize natural light and showcase its spectacular waterfront setting. Entertain effortlessly or simply relax on the massive private deck, offering the perfect space to enjoy ocean breezes and breathtaking views. The kitchen boasts SS appliances, granite counters, Poggenpohl cabinetry and a breakfast bar. Enjoy the beautiful views while cooking. This 2 level unit offers the flexibility of a first floor bedroom and/or office. Nice open staircase. Lovely primary bedroom with en suite. There is a separate jacuzzi room which could become a home office if one chooses to do so. Seal Harbor III offers an unmatched lifestyle with exceptional amenities, including 24/7 concierge, a beautiful fireplaced lobby, an indoor heated pool and hot tub, a recently renovated fitness center, sauna, rooftop deck with panoramic views, outdoor swimming pool, tennis courts and multiple private resident gathering spaces. Additional highlights include a rare heated two-car garage, G9 and G11. Ideally located in the seaside community of Winthrop, you'll enjoy the tranquility of waterfront living while being just minutes from Logan Airport and downtown Boston, providing the perfect balance of coastal charm and city convenience. LUXURY, LOCATION, AND LIFESTYLE come together in this extraordinary waterfront Penthouse.

More Info

Basic Information

  • Bedrooms3
  • Mls StatusNew
  • Bathroom3
  • Parcel Number M:074 L:0163P33,23478531
  • Unit NumberPH33

Tax Information

  • Tax Assessed Value $1,072,800
  • Tax Year 2026
  • Taxes$11,950

Parking

  • Parking Spaces2
  • Covered Spaces 2
  • Garage YN Yes
  • Open Parking YN Yes
  • Parking Features
    • Common
    • Deeded
    • Guest
    • Heated Garage
    • Off Street
    • On Street

Rooms

  • Bathroom 1 First
  • Bathroom 2 Second
  • Bathroom 3 Second
  • Bathrooms Total Decimal 3
  • Bedroom 2 Second
  • Bedroom 3 First
  • Dining Room Main
  • Full Bath3
  • Kitchen Main
  • Living Room Main
  • Master Bedroom Second

Basic Information

  • List Price$1,230,000
  • MLS Number73560746
  • Modification Date08/07/2026
  • Property SubTypeCondominium

Location

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

Building

  • BasementY
  • Building Area Units Square Feet
  • Common Walls No One Above
  • Construction Materials Brick
  • Entry Level 9
  • Garage Spaces2
  • Patio And Porch Features Deck
  • Property NameSeal Harbor Condominiums
  • Rooms6
  • Stories2
  • Utilities For Electric Range, For Electric Oven, For Electric Dryer, Washer Hookup
  • Year Built1987
  • Year Built Details Actual
  • Year Built Source Public Records

Property

  • Other Structures Gazebo

Interior

  • Flooring Wood, Tile, Hardwood, Stone / Slate, Flooring - Stone/Ceramic Tile
  • Interior Features Closet, Entrance Foyer

Exterior

  • Exterior Features
    • City View(s)
    • Deck
    • Gazebo
    • Professional Landscaping
    • Sprinkler System
    • Tennis Court(s)
  • RoofRubber

Utilities

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

Property Information

  • Square Feet1,913
  • Building Area Source Public Records
  • Living Area 1,913
  • Lot Size Units Acres
  • Property Attached YN Yes
  • Structure Type High-Rise
  • View YN Yes

Amenities

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

Water Body

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

Other

  • Association Fee $1,798
  • Association Fee Frequency Monthly
  • Association Fee Includes
    • Insurance
    • Maintenance Grounds
    • Maintenance Structure
    • Reserve Funds
    • Road Maintenance
    • Security
    • Sewer
    • Snow Removal
    • Trash
    • Water
  • Date Listed08/07/2026
  • Farm Land Area Units Square Feet
  • View Count3

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.