3 Seal Harbor Rd # 634 Winthrop, MA ^$ 525,000

3 Seal Harbor Rd # 634

^$ 525,000

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3 Seal Harbor Rd # 634

Winthrop, MA, 02152

^$ 525,000

Bedrooms1 Baths1.0 Sq 840

Monthly Estimate*

^$ 3,233

3 Seal Harbor Rd # 634, Winthrop, MA 02152 - Image 1

3 Seal Harbor Rd # 634, Winthrop, MA 02152 - Image 2

3 Seal Harbor Rd # 634, Winthrop, MA 02152 - Image 3

3 Seal Harbor Rd # 634, Winthrop, MA 02152 - Image 4

3 Seal Harbor Rd # 634, Winthrop, MA 02152 - Image 5

3 Seal Harbor Rd # 634, Winthrop, MA 02152 - Image 6

3 Seal Harbor Rd # 634, Winthrop, MA 02152 - Image 7

3 Seal Harbor Rd # 634, Winthrop, MA 02152 - Image 8

Condo for sale in Winthrop, MA

for $525,000 with 1 bedroom and 1 full bath. This 840 square foot condo was built in 1987.

Situated at the ocean's edge in Winthrop, the Seal Harbor condominium community is located just fifteen minutes from Boston's financial district. The building is amenity-rich offering 24/7 concierge, on-site management, secure underground garage parking, a heated outdoor pool with shower, bathrooms, full poolhouse kitchen, an outdoor Jacuzzi, and two gas grills. Residents also enjoy year-round access to an indoor pool on the 9th floor, complete with dramatic views, a new fitness center, as well as an indoor Jacuzzi and sauna with a large deck-perfect for viewing Independence Day fireworks! 3 Seal Harbor boasts three separate function rooms, where guests are able to enjoy table tennis, billiards and television. And in addition to the mature grounds, owners also have access to tennis courts, basement storage, bicycle storage, water sports storage and a full recycling facility. Unparalleled for its location, value, amenities, breathtaking views and proximity to Boston.NO DOGS PERMITTED.

Condo Active

Price

^$ 525,000

Bedrooms

Full Bath

Property Type

Condo

Taxes

^$ 4,687

Style

High-Rise

Year Built

1987

Town/City

Winthrop

County/Region

Suffolk

MLS | Web ID

73495543

List By

Mark Carangelo

Listing Agent

Mark Carangelo

Broker

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$3,623

Per Month

Monthly Principal & Interest: $3,233
Monthly Property Taxes: $391
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 ^$603,057

Percent of Sale Price 15%

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.

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Pricing History

Date	Price	Price Change	Description
4/3/2026	$525,000		Listed Price

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3 Seal Harbor Rd # 634, Winthrop, MA, 02152 is a Condo for sale at $525,000 with 840 sqft. 3 Seal Harbor Rd # 634 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 4/3/2026.

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 # 634

Condo for sale in Winthrop, MA

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