ClaudiaLavin
Buy
Property SearchSearch all available MLS listingsSet AlertsGet notified about new listingsNeighborhood GuidesExplore local communities & data
Lexington, MA
Arlington, MA
Waltham, MA
Somerville, MA
Burlington, MA
Belmont, MA
View All Neighborhoods →
Featured PropertiesBrowse our exclusive local listings
79 Bedford St
Sell
Home ValuationGet a free, instant estimateMy ListingsBrowse my active market properties
Insights
Resources
Local EventsEvents & local favorites near you
About
Meet the AgentMy background and experienceClient StoriesRead reviews from past clients
Contact Me
Buy
Property Search
Set Alerts
Neighborhood Guides
Lexington, MA
Lexington CenterMeriam HillMunroe HillEast LexingtonFollen HillNorth LexingtonFive FieldsSix Moon HillLiberty Heights
Arlington, MA
Waltham, MA
Somerville, MA
Burlington, MA
Belmont, MA
View All Neighborhoods →
Featured Properties
79 Bedford St
Sell
Home Valuation
My Listings
Insights
Resources
Local Events
About
Meet the Agent
Client Stories
Contact Me

Claudia Lavin

I'm Claudia Lavin Rodriguez, a Lexington, MA real estate agent helping first-time buyers, young professionals and families across Greater Boston — from first search to keys.

Explore

  • Home
  • About
  • Home Search
  • Set Alerts
  • My Active Listings
  • Featured Listings
  • Home Valuation
  • Insights
  • Testimonials
  • Contact
  • Privacy Policy

Contact

  • 7 Langley Road, Newton, MA, 02459
  • (603) 320-2906
  • claudialavin.re@gmail.com

Brokerage

Luxury Realty Partners

© 2026 Claudia Lavin. All rights reserved.
Equal Housing Opportunity. Information deemed reliable but not guaranteed.

  1. Home
  2. Listings
  3. Unit PH33 3 Seal Harbor Rd, Winthrop, MA 02152
Active
11 Days on market
3 Seal Harbor Rd #PH33 Winthrop — Photo 1 of 41

3 Seal Harbor Rd #PH33 Winthrop — Photo 1 of 41

$1,230,000

3 Seal Harbor Rd #PH33, Winthrop, MA 02152

Winthrop, MA 02152 — Winthrop Highlands

Beds

3

Baths

3

SqFt

1,913

Style

Condominium

Built

1987

Experience elevated waterfront living in this stunning 3 bedroom, 3 bath penthouse at the prestigious Seal Harbor III. This exceptional two-level residence features a spacious open-concept floor plan designed to maximize natural light and showcase its spectacular waterfront setting. Entertain effortlessly or simply relax on the massive private deck, offering the perfect space to enjoy ocean breezes and breathtaking views. The kitchen boasts SS appliances, granite counters, Poggenpohl cabinetry and a breakfast bar. Enjoy the beautiful views while cooking. This 2 level unit offers the flexibility of a first floor bedroom and/or office. Nice open staircase. Lovely primary bedroom with en suite. There is a separate jacuzzi room which could become a home office if one chooses to do so. Seal Harbor III offers an unmatched lifestyle with exceptional amenities, including 24/7 concierge, a beautiful fireplaced lobby, an indoor heated pool and hot tub, a recently renovated fitness center, sauna, rooftop deck with panoramic views, outdoor swimming pool, tennis courts and multiple private resident gathering spaces. Additional highlights include a rare heated two-car garage, G9 and G11. Ideally located in the seaside community of Winthrop, you'll enjoy the tranquility of waterfront living while being just minutes from Logan Airport and downtown Boston, providing the perfect balance of coastal charm and city convenience. LUXURY, LOCATION, AND LIFESTYLE come together in this extraordinary waterfront Penthouse.

Market Value Analysis

This Property
Size (SqFt) →Price →
This Property$643/sqft
Local Avg (Winthrop)$509/sqft
26% AboveMarket Average

* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Winthrop, MA.

Property Details

Financials

Original Price$1,230,000
Annual Taxes$11,950.99
HOA Fee$1798

Parking

Garage2
Off-Street2

Interior Specifications

Total Rooms6
FireplacesNone
FlooringWood, Tile, Hardwood, Stone / Slate, Flooring - Stone/Ceramic Tile
BasementY

Climate & Utilities

HeatingForced Air, Heat Pump, Electric, Unit Control
CoolingCentral Air, Heat Pump, Unit Control
WaterPublic
SewerPublic Sewer

Building & Exterior

ConstructionBrick
RoofRubber
Foundation--
ZoningRes

Property & Lot

Acres--
SqFt Lot--
Lot Features--

Amenities & Appliances

Range • Dishwasher • Disposal • Refrigerator • Washer • Dryer • Range Hood

Neighborhood

Public Transportation • Shopping • Pool • Park • Walk/Jog Trails • Golf

Geography

Floorplan Breakdown

Structural Layout

Second
Master BedroomBedroom 2Bathroom 2Bathroom 3
First
Bedroom 3Bathroom 1
Main
Living RoomDining RoomKitchen
Living Room
Lvl Main

Flooring - Stone/Ceramic Tile, Balcony - Exterior, Cable Hookup, Deck - Exterior, Exterior Access, Open Floorplan, Slider

Dining Room
Lvl Main

Flooring - Stone/Ceramic Tile, Balcony / Deck, Balcony - Exterior, Breakfast Bar / Nook, Deck - Exterior, Exterior Access, Open Floorplan, Slider, Lighting - Pendant

Kitchen
Lvl Main

Closet/Cabinets - Custom Built, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Countertops - Upgraded, Kitchen Island, Breakfast Bar / Nook, Cabinets - Upgraded, Open Floorplan, Recessed Lighting, Stainless Steel Appliances, Lighting - Pendant

Master Bedroom
Lvl Second

Bathroom - 3/4, Bathroom - Double Vanity/Sink, Walk-In Closet(s), Flooring - Hardwood, Hot Tub / Spa, Double Vanity

Bedroom 2
Lvl Second
Bedroom 3
Lvl First

Closet, Flooring - Hardwood

Bathroom 1
Lvl First

Bathroom - 3/4

Bathroom 2
Lvl Second

Bathroom - 3/4, Bathroom - Double Vanity/Sink, Bathroom - Tiled With Shower Stall, Walk-In Closet(s), Flooring - Stone/Ceramic Tile

Bathroom 3
Lvl Second

Bathroom - 3/4, Flooring - Stone/Ceramic Tile

Population

18,759

U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)

Median Household Income

$116K

U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)

Renter-Occupied Homes

43.1%

U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)

New Construction Permits — Suffolk County

2,527 housing units permitted in the last 12 months (+37% vs the prior 12 months) — 2,269 in 5+ unit buildings

U.S. Census Bureau, Building Permits Survey (through Jun '26)

Full Winthrop, MA market report ZIP 02152 market data
Listing Provided By

Listing Agent: Cathie Curran

Listing Office: Charlesgate Realty Group, llc

MLS® Number: 73560746

Related Insights

View All
Massachusetts Closing Costs: Watch Prepaids & Escrow
Real Estate
Aug 5, 2026

Massachusetts Closing Costs: Watch Prepaids & Escrow

Why Massachusetts Home Prices Stay High in 2026
Real Estate
Jul 29, 2026

Why Massachusetts Home Prices Stay High in 2026

View All Insights

Browse More Homes in Winthrop

Explore other active listings in the area.

  • 175 Shirley Street Unit 5
    $375,000
    175 Shirley Street Unit 5
    Winthrop, MA
    2 bd1 ba649 sqft
  • 21 Hutchinson Street Unit 1
    $659,000
21 Hutchinson Street Unit 1
Winthrop, MA
2 bd3 ba1,790 sqft
  • 21 Hutchinson St Unit 2
    $629,000
    21 Hutchinson St Unit 2
    Winthrop, MA
    2 bd3 ba1,463 sqft
  • 69 Summit Ave Unit 2
    $469,000
    69 Summit Ave Unit 2
    Winthrop, MA
    2 bd1 ba1,029 sqft
  • 69 Summit Ave Unit 1
    $369,000
    69 Summit Ave Unit 1
    Winthrop, MA
    1 bd1 ba1,000 sqft
  • 1 Seal Harbor Rd. Unit 615
    $599,999
    1 Seal Harbor Rd. Unit 615
    Winthrop, MA
    2 bd2 ba1,203 sqft