8 Onset Ave

Taxes: $11,173 (2026)

About this home

Experience an extraordinary waterfront lifestyle in this architecturally reimagined coastal estate offering a 140 ft of direct water frontage and sweeping views of Butlers Cove, Mass Maritime Academy, Cape Cod Canal, railroad bridge, & unforgettable sunsets over Buzzards Bay. Complete with a 130-ft licensed fixed dock, 36-ft floating dock, aluminum gangway, power, water, & JetDock lift, enjoy unrestricted boating access to Buzzards Bay, Cape Cod, the Islands, & beyond—with no bridges.Rebuilt to the studs & completed in 2022, this exceptional 3,510± SF residence seamlessly blends timeless New England architecture w/refined coastal elegance. Superior craftsmanship showcased throughout, from Brazilian cherry flooring, custom millwork, solid wood doors to Azek exterior trim, Trex decking, & premium materials crafted for generations. The open-concept living space is anchored by a spectacular chef's kitchen featuring Wolf, Sub-Zero, Miele appliances, custom cabinetry, Quartz countertops, an oversized granite island, and a Walk-in Butler's pantry w/hidden powder room. Thoughtfully designed floor plan offers 4 bedrooms & 3.5 baths, inc a luxurious Waterfront Primary Suite, a spacious 2nd fl family room, 3rd fl office w/panoramic water views, & an unfinished walk-out lower level ready for future expansion.A separately deeded waterfront lot provides added privacy & exceptional potential for a future garage or accessory dwelling (subject to approvals), supported by an existing 5-bedroom septic system. Addi'l highlights include a custom 5-zone heating &cooling system, heated entry flooring, Newport Brass fixtures, Pentair whole-house water treatment with reverse osmosis, underground electrical service, and generator hookup. A truly rare opportunity to own one of the South Coast's premier waterfront estates, where timeless design, uncompromising craftsmanship, protected docking, & direct access to the open waters of Buzzards Bay create an unmatched coastal lifestyle

Property details

Sewer

On-Site

Style

Dutch Colonial

Water

City/Town Water

Cooling

Central Air, Heat Pump

Heating

Central Heat, Forced Air, Electric Baseboard, Gas, Hot Air Gravity

Type

Detached

Flooring

Tile, Hardwood

Road type

Public

Appliances

Range, Dishwasher, Refrigerator, Washer, Dryer, Refrigerator - Wine Storage, Vent Hood, Other (See Remarks)

Waterfront

Ocean, Frontage, Access, Deep Water Access, Direct Access

Master Bath

Yes

Construction

Aluminum

Roof

Aluminum

Lot

Cleared, Gentle Slope, Scenic View(s), Other (See Remarks)

Parking

1-10 Spaces, Stone/Gravel

Basement

Full, Walk Out, Interior Access, Concrete Floor, Unfinished Basement, Exterior Access

Electric

200 Amps

Exterior

Deck - Composite, Covered Patio/Deck, Screens, Outdoor Shower, Stone Wall, Other (See Remarks)

Interior

Wetbar, French Doors

Waterview Features

Dock/Mooring, Ocean