7909 78th Avenue SE · Mercer Island, WA 98040
Source: NWMLS · COMPASS · Tere Foster #NWM2580194
About this home
Exceptional South Mercer Island living with Lake Washington and Mount Rainier views. Set on an expansive 23,000+ square foot lot, this impressive 9,340-square-foot residence offers remarkable scale, privacy and resort-style amenities designed for both everyday living and unforgettable entertaining. Generous gathering spaces flow throughout the home, while walls of windows capture beautiful views. Enjoy year-round recreation with an indoor swimming pool and private sport court—creating your own retreat without leaving home. Multiple indoor and outdoor entertaining areas provide space to host on any scale, from relaxed gatherings to special celebrations. A separate guest apartment above the garage offers exceptional flexibility for guests, au pair, home office or additional living space. Ideally located on the south end of Mercer Island with convenient access to shopping, dining, parks and highly regarded Mercer Island schools. A rare combination of views, space, recreation and convenience in one extraordinary island property.
Location
Basics
- Property type
- Single Family Residence
- Style
- 2 Stories w/Bsmnt
- Stories
- 2 stories
- Year built
- 1996
- Lot size
- 23,571 sq ft (0.54 acres)
- County
- King
- MLS #
- NWM2580194
Interior
- Heating
- 90%+ High Efficiency, Forced Air, Heat Pump
- Cooling
- 90%+ High Efficiency, Central Air
- Flooring
- Ceramic Tile, Hardwood, Travertine, Carpet
- Appliances
- Dishwasher, Disposal, Dryer, Microwave, Refrigerator, Stove(s)/Range(s), Washer
- Fireplace
- 2 · Gas
- Interior features
- Second Kitchen, Bath Off Primary, Built-In Vacuum, Dbl Pane/Storm Window, Fireplace, Fireplace (Primary Bedroom), High Tech Cabling, Hot Tub/Spa, Indoor Pool, Jetted Tub, Pantry, Sauna, Security System, Sprinkler System, Vaulted Ceiling(s), Walk-In Closet(s), Water Heater, Wet Bar, Wine Cellar, Wine/Beverage Refrigerator, Wired for Generator
- Entry level
- Main
Exterior & lot
- Exterior features
- Stone, Stucco
- Roof
- Tile
- Foundation
- Poured Concrete
- Lot features
- Dead End Street, Paved
- Topography
- Partial Slope,Terraces
- View
- Lake, Mountains, Territorial
- Waterfront
- No
- Pool
- Indoor
Parking
- Parking spaces
- 4
- Garage
- Yes (attached)
- Covered spaces
- 4
- Parking features
- Attached Garage
Utilities
- Water
- Public
- Sewer
- Sewer Connected
- Power
- Electric, Natural Gas
Community & fees
- Subdivision
- Mercer Island
- Property tax
- $37,420 (2026)
Transaction
- Listed on
- Sep 11, 2026
- Days on market
- 8
- Price per sq ft
- $728
- Listing terms
- Cash, Conventional
- Possession
- Closing, Negotiable
More homes nearby
Sale history
Earlier listings of this home on the MLS.
- 2011-08-25
- Sold$2,330,000
Schools
School district: Mercer Island
- Elementary
- Lakeridge Elem
- Middle
- Islander Mid
- High
- Mercer Island High SchoolSchoolDigger 5 stars · Top 1% in WA

Listing provided courtesy of: COMPASS
Listing agent: Tere Foster.
Based on information submitted to the MLS GRID as of —. 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. IDX information provided exclusively for consumers' personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.
Data last updated 2026-09-18.