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6333 77th Avenue Se, 
Mercer Island, WA 98040

$19,500,000


5

Beds


8

Baths


7,858

Sq Ft


Single Family

Active

Last updated:

August 15, 2026, 11:13 AM

MLS#

2537113

Source:

NWMLS

Company Logo

About This Home

6333 77th Avenue Se

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.

Home Facts

Single Family

8 Baths

5 Bedrooms

Built in 2025

Subdivision & Development:

West Mercer

Price Summary

19,500,000

$2,481 per Sq. Ft.

MLS #:

2537113

Last Updated:

August 15, 2026, 11:13 AM


Rooms & Interior

Bedrooms

Total Bedrooms:

5

Bathrooms

Total Bathrooms:

8

Full Bathrooms:

1

Interior

Living Area:

7,858 Sq. Ft.


Structure

Structure

Architectural Style:

Traditional

Building Area:

7,858 Sq. Ft.

Year Built:

2025


Lot

Lot Size (Sq. Ft):

21,100


Finances & Disclosures

Finances

Price:

$19,500,000

Price per Sq. Ft:

$2,481 per Sq. Ft.

6333 77th Avenue Se
MLS Logo
Listings courtesy of Northwest MLS as distributed by MLS GRID. Based on information submitted to the MLS GRID as of August 15, 2026. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Listing information is provided for consumers' personal, non-commercial use, solely to identify prospective properties for potential purchase; all other use is strictly prohibited and may violate relevant federal and state law. Information deemed reliable but not guaranteed. Copyright © 2026 MLS GRID. All Rights Reserved.

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.