7909 78th Avenue SE Mercer Island, WA 98040
7909 78th Avenue SE
Mercer Island, WA 98040
$8,488,000
Residential
7 Beds
8.50 Baths
9340 SqFt
Active
Perched above Lake Washington with expansive views, this custom estate showcases exquisite cherry millwork throughout. The main-level primary suite opens to a private patio, and upstairs, an additional primary suite with its own terrace complements two more ensuites. Entertain effortlessly in the gourmet kitchen with high-end appliances and butler’s pantry. The lower level transforms into a resort-style retreat with indoor pool, spa, sauna, gym, theater, billiards room, and wine cellar. Outside, expansive decks, a sport court, putting green, and professionally landscaped grounds frame the serene lake backdrop. Experience refined waterfront living in a singular setting.
Watch Virtual Tour #1Property Features
Community: Mercer Island
2 Stories w/Bsmnt
View: Lake
View: Mountain(s)
View: Territorial
Athletic Court
Cable TV
Deck
Gas Available
Hot Tub/Spa
Pool: Indoor
Exterior: Stone
Exterior: Stucco
Roof: Tile
Parking: Attached Garage
Year Built: 1996
2025 Taxes: $32247.72
Buyer Broker Compensation: 1.5%
Listing #: 2420036
Lot Details
Lot Size: 0.54 acres
Dead End Street
Paved
Appliances That Stay
Dishwasher(s)
Disposal
Dryer(s)
Microwave(s)
Refrigerator(s)
Stove(s)/Range(s)
Washer(s)
Watch Virtual Tour #2Interior
Second Kitchen
Bath Off Primary
Built-In Vacuum
Double Pane/Storm Window
Dining Room
Fireplace
Fireplace (Primary Bedroom)
French Doors
High Tech Cabling
Hot Tub/Spa
Indoor Pool
Jetted Tub
Sauna
Security System
Sprinkler System
Vaulted Ceiling(s)
Walk-In Pantry
Walk-In Closet(s)
Water Heater
Wet Bar
Wine Cellar
Cooling: Central A/C, 90%+ High Efficiency
Heating: 90%+ High Efficiency, Heat Pump, Forced Air
Electric
Natural Gas
Fireplaces: 2
Open Houses
Aug 23: 2:30 PM - 4:30 PM
Aug 24: 12:00 PM - 2:00 PM
Schools
District: Mercer Island
Elem: Lakeridge Elem
Middle: Islander Mid
High: Mercer Isl High
Call or Email:
Grace Wamwere
What's Near 7909 78th Avenue SE Mercer Island, WA 98040?

Information is based on data available to the associate, including county records. The information has not been verified by the associate and all information presented should be verified by the buyer. Listings are provided by Northwest Multiple Listing Service as distributed by MLS GRID. The associate represented on this web site is not a multiple listing service but is a member of a local MLS.
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