
3 Seal Harbor #336 Winthrop — Photo 1 of 42
$859,900
Winthrop, MA 02152 — Winthrop Highlands
Beds
2
Baths
1.5
SqFt
1,674
Style
Condominium
Built
1987
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 2 spots tandem(D41T), outdoor/guest parking, heated indoor pool/hot tub, outdoor pool, storage closet, clubhouse, tennis courts and so much more.
* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Winthrop, MA.
Range • Dishwasher • Disposal • Microwave • Refrigerator • Washer • Dryer
Public Transportation • Shopping • Pool • Tennis Court(s) • Park • Walk/Jog Trails
Countertops - Stone/Granite/Solid, Kitchen Island, Cabinets - Upgraded, Open Floorplan, Recessed Lighting, Remodeled, Stainless Steel Appliances
Bathroom - Full, Walk-In Closet(s), Closet/Cabinets - Custom Built, Flooring - Marble, Steam / Sauna
Bathroom - Half
Bathroom - Full, Bathroom - With Tub & Shower, Flooring - Marble, Countertops - Stone/Granite/Solid, Jacuzzi / Whirlpool Soaking Tub, Remodeled
Jul 23, 2026
MLS® 73554136
Jul 1, 2025
MLS® 73329908
Jan 28, 2025
MLS® 73329908
Oct 15, 2023
MLS® 73139614
Jul 23, 2023
MLS® 73139614
18,759
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
$116K
U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)
43.1%
U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)
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)
Listing Agent: Cathie Curran
Listing Office: Charlesgate Realty Group, llc
MLS® Number: 73554136
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