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Front view of a multi-story brick apartment building with balconies.
Gallery18
MLS ID #73436215
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  1. Home
  2. /Winthrop, MA
  3. /Seal Harbor
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Seal Harbor

Community constructed 1983-1988

BUILDINGS (OVER 5 UNITS)
Gallery8
BUILDINGS (2-5 UNITS)
Gallery2
SINGLE UNITS
Gallery10

Seal Harbor

About Seal Harbor

Seal Harbor has 602 homes across eight multi-unit buildings and ten single-unit buildings. The community offers 1-bedroom, 2-bedroom, and 3-bedroom homes. Unit sizes range from 983 to 1083 sqft. Residents use a Pool, Clubhouse, Clubroom, and Fitness Center. The property includes Tennis Courts, Paddle Tennis, a Putting Green, and a Playground. The development provides Trails, a Bike Path, a Garden Area, and Beach Rights. It has a Sauna/Steam Room, Elevators, Laundry, Hot Water, and Parking. Community features include Golf, a Stable, a Park, a Conservation Area, a House of Worship, Highway Access, and Public Transportation. The Pool and Tennis Courts sit near Trails and a Park. The property offers Elevator Access and On-Site Parking. The association lists a Putting Green, Paddle Tennis, and a Stable. Residents use a Clubroom and Recreation Facilities.

About Seal Harbor

Seal Harbor has 602 homes across eight multi-unit buildings and ten single-unit buildings. The community offers 1-bedroom, 2-bedroom, and 3-bedroom homes. Unit sizes range from 983 to 1083 sqft. Residents use a Pool, Clubhouse, Clubroom, and Fitness Center. The property includes Tennis Courts, Paddle Tennis, a Putting Green, and a Playground. The development provides Trails, a Bike Path, a Garden Area, and Beach Rights. It has a Sauna/Steam Room, Elevators, Laundry, Hot Water, and Parking. Community features include Golf, a Stable, a Park, a Conservation Area, a House of Worship, Highway Access, and Public Transportation. The Pool and Tennis Courts sit near Trails and a Park. The property offers Elevator Access and On-Site Parking. The association lists a Putting Green, Paddle Tennis, and a Stable. Residents use a Clubroom and Recreation Facilities.
Front view of a multi-story brick apartment building with balconies.View Listing
MLS ID #73436215
Front view of a multi-story brick apartment building with balconies.MLS ID #73436215
Panoramic view of a sunset over calm waters, seen from a balcony, with a swimming pool and lawn chairs in the foreground.MLS ID #73438115
Front view of a multi-story brick building with balconies and a landscaped entrance.MLS ID #73446219

Buildings In Seal Harbor

3 Seal Harbor Rd
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3 Seal Harbor Rd

3 SEAL HARBOR RD,WINTHROP,MA

0 active listings

Seal Harbor
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Seal Harbor

ONE SEAL HARBOR ROAD,WINTHROP,MA

0 active listings

3 Seal Harbor Rd
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3 Seal Harbor Rd

3 SEAL HARBOR RD,WINTHROP,MA

0 active listings

Seal Harbor
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Seal Harbor

ONE SEAL HARBOR ROAD,WINTHROP,MA

0 active listings

Seal Harbor Market Stats Last 12 months

AVG. LISTED PRICE$668,645($533 /sqft.)
AVG. SALE PRICE$657,359($511 /sqft.)
YEAR OVER YEAR LIST PRICETrending Up15.38%
YEAR OVER YEAR SALE PRICETrending Up11.98%
TOTAL LISTINGS27 Listed
TOTAL SOLD24 Sold
AVERAGE DAYS ON MARKET96 days
AVERAGE HOA FEES PER SQFT$2 /monthly

Market StatsLast 12 months

AVG. LISTED PRICE
$668,645($533 /sqft.)
AVG. SALE PRICE
$657,359($511 /sqft.)
YEAR OVER YEAR LIST PRICETrending Up15.38%
YEAR OVER YEAR SALE PRICETrending Up11.98%
TOTAL LISTINGS27 Listed
TOTAL SOLD24 Sold
AVERAGE DAYS ON MARKET96 days
AVERAGE HOA FEES PER SQFT$2 /monthly

Seal Harbor Inventory & Sale History

Property
PH31 - 3 SEAL HBR
3 Sealharbor Rd
1777Square Feet
2Beds
3Baths
128Days on Market
Sold For $929,000Listed on Jul 24, 2025
Property
736 - 3 SEAL HARBOR RD
3 Seal Harbor Rd
1674Square Feet
3Beds
3Baths
30Days on Market
Sold For $850,000Listed on Dec 8, 2025
Property
PH 33 - 3 SEAL HARBOR RD-
1913Square Feet
3Beds
3Baths
110Days on Market
Sold For $880,000Listed on Feb 1, 2022
Property
PH3 - 1 SEAL HARBOR RD
1 Seal Harbor Rd
2236Square Feet
3Beds
3Baths
102Days on Market
Sold For $899,000Listed on Sep 7, 2021
Listing

PH31 - 3 SEAL HBR

3 Sealharbor Rd

Sold for $929,000

2 Beds    3 Bath    1777 sqft

Sold on Jul 24, 2025|128 days on market

Listing

736 - 3 SEAL HARBOR RD

3 Seal Harbor Rd

Sold for $850,000

3 Beds    3 Bath    1674 sqft

Sold on Dec 8, 2025|30 days on market

Seal Harbor Amenities

Elevator(s)
Elevator(s)
Pool
Pool
Security System
Security System
Security Guard
Security Guard
Laundry
Laundry
Tennis Court(s)
Tennis Court(s)
Patio
Patio
Clubhouse
Clubhouse
Storage
Storage
Balcony
Balcony
Elevator(s)
Elevator(s)
Pool
Pool
Security System
Security System
Security Guard
Security Guard
Laundry
Laundry

Amenities

Elevator(s)
Elevator(s)
Pool
Pool
Security System
Security System
Security Guard
Security Guard
Laundry
Laundry
Tennis Court(s)
Tennis Court(s)
Patio
Patio
Clubhouse
Clubhouse
Storage
Storage
Balcony
Balcony

Seal Harbor Policies

Pets allowed
Pets not allowed
BBQ allowed
BBQ not allowed
Sublet allowed
Sublet not allowed
Short term rental not allowed
Short term rental not allowed

The Neighborhood: Winthrop Highlands, Winthrop

Winthrop Highlands is a coastal neighborhood. The area has sandy beaches, shoreline parks, and clear ocean views. This district offers small shops, seafood restaurants, and core amenities such as grocery stores and schools. You can walk on paths by the water and relax at town parks, and the district hosts community events and a quiet waterfront scene. Public transportation links the area to nearby towns and downtown Boston. Drivers reach Boston and Logan Airport by short drives. Short trips bring you to larger stores, museums, and cultural sites.

Frequently Asked Questions About Seal Harbor

How many buildings are there in Seal Harbor?

Seal Harbor has 20 buildings in total: 8 buildings with more than 5 units, 2 buildings with 2 to 5 units, and 10 buildings with single unit properties.

How much does property typically cost in Seal Harbor?

In Seal Harbor, the average sales price is $657,359, while the average listed price is $668,645.

What amenities can I expect in buildings in Seal Harbor?

Buildings in Seal Harbor include amenities like Park, Fitness Center, Public Transportation, Beach Rights, Parking, Highway Access, Trail(s), Pool, Garden Area, Putting Green, Golf, Tennis Court(s), Recreation Facilities, Playground, Laundry, Sauna/Steam, Bike Path, Elevator(s), Conservation Area, Clubroom, House of Worship, Clubhouse, Hot Water, Paddle Tennis, Stable(s).

What is the average HOA fee in buildings in Seal Harbor?

The average HOA fee in Seal Harbor is $2 per square foot.

What is the parking situation like in Seal Harbor buildings?

Parking data for Seal Harbor includes features such as Parking.
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  1. Home
  2. /Winthrop, MA
  3. /Seal Harbor
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