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3 Seal Harbor 336, Winthrop MA 02152
3 Seal Harbor 336, Winthrop MA 02152
Massachusetts>Winthrop Town>Whinthrop Highlands

3 Seal Harbor 336Winthrop, MA 02152

For Sale

$859,900

Smart Buyer Rebate $4,300

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 2 spots tandem(D41T), outdoor/guest parking, heated indoor pool/hot tub, outdoor pool, storage closet, clubhouse, tennis courts and so much more.

Listed by Cathie Curran

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Charlesgate Realty Group, llc

·

617-835-2850

Last updated July 27, 2026

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Source: MLSPin #73554136

Listing Facts

  • TypeCondo
  • NeighborhoodWhinthrop Highlands
  • Bedrooms2
  • Bathrooms2
  • Days on Prevu8
  • Taxes$10,484/year
  • Size1,674 sqft
  • Price per sqft$514

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Pets Allowed
  • Parking
  • Storage
  • Swimming Pool
  • Fitness Center

Location

Mortgage Calculator

Listing History

07/23/2026
Listed by Charlesgate Realty Group, llc
$859,900

Property Details for 3 Seal Harbor 336

Association

Amenities

  • Association Amenities: Pool, Laundry, Elevator(s), Tennis Court(s), Fitness Center, Sauna/Steam, Clubroom, Trail(s), Storage
  • Community Features: Public Transportation, Shopping, Pool, Tennis Court(s), Park, Walk/Jog Trails, Medical Facility, Laundromat, Bike Path, Conservation Area, House Of Worship, Public School
  • Pets Allowed: Yes w/ Restrictions

Fees

  • Association Fee Includes: Water, Sewer, Insurance, Security, Maintenance Structure, Road Maintenance, Maintenance Grounds, Snow Removal, Trash, Reserve Funds

Exterior

Construction

  • Number Of Units Total: 117
  • Property Attached: Yes
  • Roof: Rubber
  • Stories: 1
  • Stories Total: 1
  • Structure Type: High-Rise
  • Window Features: Insulated Windows
  • Year Built: 1987
  • Year Built Details: Actual
  • Building Name: Seal Harbor Three Condominium
  • Common Walls: End Unit, Corner
  • Construction Materials: Brick
  • Entry Level: 3
  • Exterior Features: Deck - Roof, Deck - Access Rights, Deck - Roof + Access Rights, Covered Patio/Deck, Balcony, Hot Tub/Spa, Gazebo, Professional Landscaping, Sprinkler System, Tennis Court(s)

Features

  • Fencing: Security
  • Other Structures: Gazebo
  • Patio And Porch Features: Deck - Roof, Deck - Access Rights, Deck - Roof + Access Rights, Covered
  • Pool Features: Association, In Ground, Indoor, Heated
  • Waterfront Features: Waterfront, Ocean, Frontage, Walk To, Public, Ocean, Walk To, 3/10 To 1/2 Mile To Beach, Beach Ownership(Public)
  • Waterfront: Yes

Measurements

  • Building Area Total: 1,674
  • Building Area Units: Square Feet
  • Lot Size Units: Acres

Financial

Taxes

  • Parcel Number: 23478523
  • Tax Annual Amount: $10,484.00
  • Tax Assessed Value: $941,100.00
  • Tax Year: 2026

Interior

Features

  • Appliances: Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
  • Flooring: Wood, Tile, Hardwood
  • Spa Features: Hot Tub/Spa
  • Spa: Yes

Measurements

  • Living Area: 1,674
  • Living Area Source: Public Record

Rooms

  • Basement: Y
  • Bathrooms Full: 1
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 2
  • Bedrooms Total: 2
  • Rooms Total: 5

Other

Environmental

  • Green Energy Efficient: Thermostat

Parking

Parking

  • Attached Garage: Yes
  • Covered Spaces: 2
  • Garage Spaces: 2
  • Garage: Yes
  • Open Parking Spaces: 1
  • Open Parking: Yes
  • Parking Features: Under, Heated Garage, Deeded, Off Street, Tandem, On Street, Common, Guest, Paved, Exclusive Parking
  • Parking Total: 3

Utilities

Equipment

  • Cooling: Heat Pump, Individual, Unit Control
  • Has Cooling: Yes
  • Electric: Circuit Breakers
  • Heating: Heat Pump, Electric, Individual, Unit Control
  • Has Heating: Yes
  • Laundry Features: Common Area, In Building, In Unit, Electric Dryer Hookup
  • Sewer: Public Sewer
  • Utilities: For Electric Range, For Electric Oven, For Electric Dryer
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this condo have?

There are 2 bedrooms and 2 bathrooms in this condo at 3 Seal Harbor 336.

Does this condo have parking?

Yes, there are 2 parking spaces available for 3 Seal Harbor 336.

Are pets allowed at 3 Seal Harbor?

Yes, 3 Seal Harbor allows pets. Check the Property Details for any relevant restrictions.

What are the annual taxes for 3 Seal Harbor 336?

Annual taxes for this condo are estimated at $10,484.

How does 3 Seal Harbor 336 compare to other condos in Whinthrop Highlands?

This condo is listed 30% above the average price for condos in Whinthrop Highlands and has been on the market for 24 less days than the typical home in this area.

What building or home owners association is the condo part of?

This condo is in the Seal Harbor Three Condominium building.

What is the square footage on this condo?

According to the MLS, this listing is 1,674 sqft.

3 Seal Harbor 336 is a 2-bedroom, 2-bath condo for sale in Winthrop MA 02152. Listed on Prevu for 8 days at $859,900. This residence features 1,674 square feet of living space, located in Whinthrop Highlands. The median listing price for condos in this area is $749,995. Property amenities include private outdoor space, dishwasher, pets allowed, storage, fitness center, parking, swimming pool, and washer/dryer. Browse more condo listings in Winthrop Town.

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors, landlords and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information, and the Images, are for the personal, non commercial use of consumers having a good faith interest in purchasing, leasing or renting listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing, leasing or renting. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.