3 Seal Harbor # 336, Winthrop MA 02152

Winthrop, MA 02152 • Winthrop Highlands
$859,900
Est. $6,787/month
2
Beds
1.5
Baths
1,674
Sq Ft
$514
Price/Sq Ft
1987
Year Built
1
Garage Space
15 hours 57 minutes
Time on Market
Active Listed Jul 23, 2026 • MLS# 73554136 Copied! • Updated Jul 24, 2026

About this home

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.

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Property History

Property Timeline

🏠
Listed for Sale
Jul 23, 2026
$859,900
Original listing
Office: Charlesgate Realty Group, llc

Tax History

Year Taxes Assessment
2026 $10,484 $941,100

Financial Details

Annual Property Tax
$10,484
Tax Year 2026
HOA Fee
$1,365
Per month
Assessed Value
$941,100

Facts & Features

1 Car Garage

Home Facts

Type Residential
Style Condominium
Year Built 1987
Living Area 1,674 sq ft
Bedrooms 2
Full Baths 1
Half Baths 1
Total Rooms 5

Interior

Heating Heat Pump, Electric, Individual, Unit Control
Cooling Heat Pump, Individual, Unit Control
Flooring Wood, Tile, Hardwood
Appliances Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
Fireplace None
Basement Y
Laundry Common Area, In Building, In Unit, Electric Dryer Hookup
Features None

Exterior

Construction Brick
Architecture None
Roof Rubber
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)
Pool Association, In Ground, Indoor, Heated
Spa Hot Tub/spa
Fencing Security
Patio/Porch Deck - Roof, Deck - Access Rights, Deck - Roof + Access Rights, Covered
Garage Spaces 1
Has Garage Yes
Features Under, Heated Garage, Deeded, Off Street, On Street, Common, Guest, Paved, Exclusive Parking
Total Spaces 2
Electric Circuit Breakers
Water Public
Sewer Public Sewer
Gas None
Other For Electric Range, For Electric Oven, For Electric Dryer
Annual Tax $10,484
Assessed Value $941,100

HOA & Community

HOA Fee $1,365
Fee Includes Water, Sewer, Insurance, Security, Maintenance Structure, Road Maintenance, Maintenance Grounds, Snow Removal, Trash, Reserve Funds
Amenities Pool, Laundry, Elevator(s), Tennis Court(s), Fitness Center, Sauna/steam, Clubroom, Trail(s), Storage
Optional Fee Includes None
Down Payment Resource Eligible
Pets Yes w/ Restrictions
Seller Disclosures All Information Presented Is As Of Listing Entry Date And Is Subject To Change. Buyer Agents Should Use Due Diligence And Verify All Information.
Possession None
Accepted Financing None
Structure Type ["High-Rise"]
Unit/Building 336
Sq Ft Source Public Record
Sq Ft Disclosures Does not include balcony
Documents Unit Deed, Floor Plans (2)
County Suffolk
Total market time (incl. prior listings) 1 days

Property Overview

Property Type
Condominium
Listing Type
For Sale
Year Built
1987
Bedrooms
2
Full Bathrooms
1
Half Bathrooms
1
Living Area
1,674 sq ft
Total Rooms
5
Stories
1
Entry Level
3

Room Details

Third Floor

Bathroom1
Bathroom - Half
Dining Room
Kitchen
Countertops - Stone/Granite/Solid, Kitchen Island, Cabinets - Upgraded, Open Floorplan, Recessed Lighting, Remodeled, Stainless Steel Appliances
Bathroom2
Bathroom - Full, Bathroom - With Tub & Shower, Flooring - Marble, Countertops - Stone/Granite/Solid, Jacuzzi / Whirlpool Soaking Tub, Remodeled
Bedroom2
Living Room
Master Bedroom
Bathroom - Full, Walk-In Closet(s), Closet/Cabinets - Custom Built, Flooring - Marble, Steam / Sauna

Other Floor

Bedroom5
Bedroom4
Bedroom3
Bathroom3
Office
Family Room
Master Bathroom

Interior Features

Flooring: Wood, Tile, Hardwood
Appliances: Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
Interior Features:
Windows: Insulated Windows
Basement: Y
Laundry: Common Area, In Building, In Unit, Electric Dryer Hookup
Security: Intercom, TV Monitor, Doorman, Concierge

Construction & Materials

Year Built: 1987
Structure Type: High-Rise
Exterior Materials: Brick
Roof: Rubber
Foundation:
Stories: 1

Heating, Cooling & Utilities

Heating: Heat Pump, Electric, Individual, Unit Control
Cooling: Heat Pump, Individual, Unit Control
Hot Water:
Water Source: Public
Sewer: Public Sewer
Energy Features: Thermostat

Exterior & Lot

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)
Patio & Porch: Deck - Roof, Deck - Access Rights, Deck - Roof + Access Rights, Covered
Fencing: Security
Other Structures: Gazebo
Lot Features:
Road Surface:

Parking & Garage

Garage Spaces: 1
Garage Type: Attached
Total Parking Spaces: 2
Parking Features: Under, Heated Garage, Deeded, Off Street, On Street, Common, Guest, Paved, Exclusive Parking

Special Features

Spa/Hot Tub: Yes
Spa Features: Hot Tub/Spa
Waterfront: Yes
Waterfront Type: Waterfront, Ocean, Frontage, Walk to, Public, Ocean, Walk to, 3/10 to 1/2 Mile To Beach, Beach Ownership(Public)
Community Amenities: Public Transportation, Shopping, Pool, Tennis Court(s), Park, Walk/Jog Trails, Medical Facility, Laundromat, Bike Path, Conservation Area, House of Worship, Public School

Nearby Schools

School information not available for this location.

Monthly Payment Calculator

Monthly Payment
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Principal, interest, taxes & insurance
Loan Amount
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After down payment
Total Interest
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Over life of loan
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Including down payment
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Down: $0
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Monthly Payment Breakdown

Principal & Interest $0
Property Tax $874
Homeowners Insurance $200
HOA Fee $1,365/mo
PMI (if <20% down) $0

Loan Summary

Total of 360 payments $0
Total principal paid $0
Total interest paid $0

Rate Impact

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Current Rate
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Payment Over Time

Interest
Principal
Year 1
95% Interest
Year 15
50/50
Year 30
95% Principal
* Estimates only. Actual payments may vary. Consult with a lender for accurate figures.

Location

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Neighborhood

Winthrop Highlands

3 Seal Harbor # 336, Winthrop MA 02152

Winthrop, MA 02152

Listing Information

Listing Agent Cathie Curran
Listing Office Charlesgate Realty Group, llc
Office Phone 617-587-0100
Agent MLS ID BB600069
Office MLS ID NB1520
Listing Data Updated Jul 24, 2026 3:30 AM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.

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Steven Novak
Steven Novak
BMN Boston Real Estate
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