For sale Home

Listed Sep 11, 2026

$6,800,000 Est. $44,976/mo

7909 78th Avenue Southeast

  • 6

    Beds

  • 11

    Baths

  • 9,340

    Sq ft

The story

  • Pool
  • Basement

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.

Facts & features

Home type

Home

Year built

1996

Lot size

1 acres

Price per sq ft

$728

Included features

  • Pool

    Yes

  • Fireplace

    2 fireplaces

  • Basement

    Yes

  • Cooling

    90%+ High Efficiency, Central Air

  • Heating

    90%+ High Efficiency, Forced Air, Heat Pump

  • Appliances

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

  • Flooring

    Ceramic Tile, Hardwood, Travertine, Carpet

  • Roof

    Tile

  • Lot Information

    Dead End Street, Paved

  • Exterior

    Stone, Stucco

  • Water Source

    Public

  • Sewer

    Sewer Connected

  • View

    Mountain

Mortgage calculator

Estimated monthly payment

$44,976 /mo

7% rate · 30-yr fixed · 20% down

  • Principal & interest $36,192
  • Property tax $6,800
  • Insurance $1,983

Includes principal, interest, taxes & insurance.

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Listing Broker

COMPASS

Broker Name

COMPASS

Agent

Tere Foster