For sale Home

Listed Jun 9, 2026

$19,500,000 Est. $128,975/mo

6333 77th Avenue Southeast

  • 5

    Beds

  • 8

    Baths

  • 7,858

    Sq ft

The story

  • Waterfront
  • Basement

An artisanal masterpiece designed to elevate everyday living and a love for the lake. Designed by Studio McGee and built by Lochwood-Lozier Custom Homes, this waterfront estate occupies a coveted position along Mercer Island’s Gold Coast, capturing all-day sun, western sunsets, and views across Lake Washington to Seward Park. Set on 86 feet of street-to-water frontage, the property features level lawn to the water’s edge, a private swim cove, sports court, and new Seaborn dock with power, water, lighting and lift ready infastructure. From afternoons on the dock to evenings watching boats drift across the lake, the home embodies waterfront living. The Traditional Heritage architecture embraces Calcutta marble, white oak herringbone and wide-plank floors, custom millwork, copper accents, and natural stone. Michelin level entertaining kitchen with hidden scullery and working pantry anchors the home for dinners or large scale events. The primary suite offers a sanctuary with custom boutique level dressing room, while a wellness retreat includes a fitness studio, sauna, and lakeside bath. A chilled glass wine gallery, library, dual offices, bonus spaces, and en-suite bedrooms provide flexibility. Covered heated outdoor rooms, outdoor kitchen, Crestron automation, solar, Generac backup power, and three-car garage complete this legacy estate on one of Mercer Island’s sought-after stretches of waterfront.

Facts & features

Home type

Home

Year built

2025

Price per sq ft

$2,482

Included features

  • Fireplace

    2 fireplaces

  • Basement

    Yes

  • Cooling

    Central Air

  • Heating

    Forced Air

  • Appliances

    Dishwasher, Disposal, Double Oven, Dryer, Microwave, Refrigerator, Stove(s)/Range(s), Trash Compactor, Washer

  • Flooring

    Ceramic Tile, Hardwood, Marble, Stone

  • Roof

    Metal

  • Lot Information

    Paved

  • Exterior

    Wood, Dock, Boat Slip

  • Water Source

    Public

  • Sewer

    Sewer Connected

Mortgage calculator

Estimated monthly payment

$128,975 /mo

7% rate · 30-yr fixed · 20% down

  • Principal & interest $103,787
  • Property tax $19,500
  • Insurance $5,688

Includes principal, interest, taxes & insurance.

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Listing Broker

Coldwell Banker Bain

Broker Name

Coldwell Banker Bain

Agent

Allison W. Trull