$6,800,000

6 Beds 8 / 3 Full / Half Baths 9,340 SQFT 0.54 Acres

Type: Single Family

7909 78th Avenue SE
Mercer Island, WA 98040

MLS#: 2580194

Presented by: COMPASS and NWMLS

Property Description

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.

Interior Features

Bedrooms

Bedrooms Lower1

Bedrooms Upper4

Main Level Bedrooms1

Total Bedrooms6

Bathrooms

3/4 Baths4

Bathrooms8.5

Baths Full Garage0

Baths Full Lower1

Baths Full Main1

Baths Full Upper2

Baths Half Garage0

Baths Half Lower1

Baths Half Main2

Baths Half Upper0

Baths Three Quarter Garage0

Baths Three Quarter Lower1

Baths Three Quarter Main0

Baths Three Quarter Upper3

Half Baths3

Total Baths11

Other Interior Features

Air Conditioning Y/NYes

BasementDaylight, Finished

Fireplace FeaturesGas

Fireplace Y/NYes

Fireplaces Main1

Fireplaces Upper1

FlooringCeramic Tile, Hardwood, Travertine, Carpet

Heating Y/NYes

Interior AmenitiesSecond 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

Power Production TypeElectric, Natural Gas

Total Fireplaces2

Water Heater LocationBasement

Water Heater TypeGas

General

AppliancesDishwasher, Disposal, Dryer, Microwave, Refrigerator, Stove(s)/Range(s), Washer

Attached Garage Yes

Building Area Units0 sqft

Carport Y/NNo

CityMercer Island

Cooling90%+ High Efficiency, Central Air

CountyKing

DirectionsPlease call with any questions.

Elementary SchoolLakeridge Elem

Entry LocationMain

Full Baths4

Garage Y/NYes

HOANo

HOA Fee$0

Heating90%+ High Efficiency, Forced Air, Heat Pump

High SchoolMercer Isl High

High School DistrictMercer Island

Land Lease Y/NNo

LevelsTwo

Listing TermsCash, Conventional

Living Area9,340 sqft

Lot Size Square Feet23,571 sqft

Lot Size UnitsSquare Feet

MLS Area510 - Mercer Island

Middle/Junior High SchoolIslander Mid

NWM_ShowMapLinkY

New ConstructionNo

Pool FeaturesIndoor

PossessionClosing, Negotiable

Property Style18 - 2 Stories w/Bsmnt

Property SubtypeSingle Family Residence

Property TypeResidential

Public RemarksExceptional 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, pr

RoofTile

Security FeaturesPartially Fenced, Security System

Senior Community Y/NNo

SewerSewer Connected

Special Listing ConditionsNone

Standard StatusActive

StatusActive

Structure TypeHouse

Subdivision NameMercer Island

Tax Annual Amount$37,420

Tax Year2026

TopographyPartial Slope, Terraces

ViewLake, Mountains, Territorial

Water CompanyCity of Mercer Island

Year Built1996

Exterior

Building Area Total9,340 sqft

Covered Spaces4

Exterior AmenitiesStone, Stucco

Foundation DetailsPoured Concrete

InclusionsDishwasher(s), Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)

Irrigation Water Rights Y/NNo

Lot FeaturesDead End Street, Paved

Lot Number3

Lot Size Acres0.5411

Parking FeaturesAttached Garage

Pool TypeIndoor

Site FeaturesAthletic Court, Cable TV, Deck, Fenced-Partially, Gas Available, High Speed Internet, Hot Tub/Spa, Patio, Sprinkler System

SpaYes

Total Parking4

VegetationFruit Trees, Garden Space

Water SourcePublic

Waterfront Y/NNo

Additional Details

Price History

Schools

High School Mercer Isl High

Elementary School Lakeridge Elem

Middle School Islander Mid

Similar Properties

$6,800,000

6 Beds 8 / 3 Full / Half Baths 9,340 SQFT 0.54 Acres

Type: Single Family

7909 78th Avenue SE
Mercer Island, WA 98040

MLS#: 2580194

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Property

$6,800,000

7909 78th Avenue SEMercer Island, WA 98040

Property Description

Interior Features

Bedrooms

Bathrooms

Other Interior Features

General

Exterior

Additional Details

Price History

Schools

Similar Properties

$6,800,000

7909 78th Avenue SEMercer Island, WA 98040

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7909 78th Avenue SE
Mercer Island, WA 98040

7909 78th Avenue SE
Mercer Island, WA 98040