$19,500,000
6333 77th Avenue SE, Mercer Island, WA 98040
5 Beds
5.75 Baths
7,858 Sq Ft

MLS #2537113 / Listing provided by NWMLS & Coldwell Banker Bain.

$19,500,000

6333 77th Avenue SE
Mercer Island, WA 98040

Active 18 hours ago
5
Beds
5.75
Baths
7,858
Sq Ft
$2,482
Per Sq Ft
2025
Year Built

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.

Disclaimer: The information contained in this listing has not been verified by Hawkins-Poe Real Estate Services and should be verified by the buyer.

Open House Schedules

Jun
10
11 AM - 1 PM
Interior Features

Bedrooms

  • Total Bedrooms: 5
  • Main Level Bedrooms: 0
  • Lower Level Bedrooms: 1
  • Upper Level Bedrooms: 4

Bathrooms

  • Total Bathrooms: 8
  • Half Bathrooms: 2
  • Three-quarter Bathrooms: 5
  • Full Bathrooms: 1
  • Full Bathrooms in Garage: 0
  • Half Bathrooms in Garage: 0
  • Three-quarter Bathrooms in Garage: 0

Fireplaces

  • Total Fireplaces: 2
  • Main Level Fireplaces: 2

Water Heater

  • Water Heater Location: Mechanical room
  • Water Heater Type: Gas

Heating & Cooling

  • Heating: Yes
  • Cooling: Yes
Exterior Features

Parking

  • Garage: Yes
  • Garage Attached: Yes
  • Parking Features: Attached Garage
  • Parking Total: 3

Structure

  • Roof: Metal
  • Exterior Features: Wood
  • Foundation: Poured Concrete

Lot Details

  • Lot Features: Paved
  • Acres: 0.4844
  • Foundation: Poured Concrete
Area Features

Schools

  • High School District: Mercer Island
  • High School: Mercer Isl High
  • Middle School: Islander Mid
  • Elementary School: Lakeridge Elem

Transportation

  • Nearby Bus Line: true

Lot Details

  • Lot Features: Paved
  • Acres: 0.4844
  • Foundation: Poured Concrete
Utilities

Power

  • Energy Source: Natural Gas
  • Power Company: Puget Sound Energy

Water, Sewer, and Garbage

  • Sewer Company: City of Mercer Island
  • Sewer: Sewer Connected
  • Water Company: City of Mercer Island
  • Water Source: Public
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