3 Seal Harbor Rd. # 434 Winthrop, MA ^$ 529,900

3 Seal Harbor Rd. # 434

^$ 529,900

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Open House 5/16 1:30pm - 3pm

3 Seal Harbor Rd. # 434

Winthrop, MA, 02152

^$ 529,900

Bedrooms1 Baths1.0 Sq 840

Monthly Estimate*

^$ 3,263

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Condo for sale in Winthrop, MA

for $529,900 with 1 bedroom and 1 full bath. This 840 square foot condo was built in 1987.

EASY, UPSCALE, OCEANFRONT LIVING IN WINTHROP by the SEA, This amazing unit was recently updated and the Open Floor Plan offers a fully applianced Stainless Steel kitchen with quartz counters and recessed lighting. The living room/dining room combo is prefect for entertaining or personal enjoyment with sliders to a balcony overlooking the wide open ocean with its incredible sunrises and the sounds of the waves along the shore! French doors leading to the lg. main bedroom with 2 custom closets and more amazing views....very nice tile and marble bath can transform into a half bath for guests. Stackable laundry in the unit and deeded underground parking. This building offers lots of amenities, an outdoor pool area, a roof top deck and a top floor common area with an indoor lap pool, exercise facility and game room/function area, all overlooking the ocean. Discover Winthrop with 2 beaches, 3 Yacht Clubs, 3 Marinas a 9 hole golf course and lots of great restaurants, Just Minutes to Boston!

Open House

5/16/2026 1:30 PM - 3:00 PM

3 Seal Harbor Rd. # 434 Winthrop, MA

* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Condo Active

Price

^$ 529,900

Bedrooms

Full Bath

Property Type

Condo

Taxes

^$ 4,982

Style

High-Rise

Year Built

1987

Town/City

Winthrop

County/Region

Suffolk

MLS | Web ID

73516039

List By

Sharon Tallent

Listing Agent

Compass

Broker

Affordability Calculator

$3,678

Per Month

Monthly Principal & Interest: $3,263
Monthly Property Taxes: $415
Monthly Home Insurance: --

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Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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Trends

Condo listings in Winthrop, MA

Average List Price ^$559,665

Percent of Sale Price 6%

About Winthrop, MA

17,967 Population

-2% Since 2002

^$65,929 Median Income

46.08 Median Age

21% Households with Children

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Trends Information provided by ATTOM Data Solutions.

Neighborhood & Schools

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Pricing History

Date	Price	Price Change	Description
5/11/2026	$529,900		Listed Price

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3 Seal Harbor Rd. # 434, Winthrop, MA, 02152 is a Condo for sale at $529,900 with 840 sqft. 3 Seal Harbor Rd. # 434 has 1 bedrooms, 1.0 baths, and was built in 1987. The property's zip code is 02152 which is in Winthrop, MA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Data is updated as of 5/16/2026.

The real estate information and related content displayed on this site is provided for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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 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 or leasing 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 or leasing. 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.

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3 Seal Harbor Rd. # 434

Condo for sale in Winthrop, MA

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