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7909 78th Avenue SEMercer Island, WA 98040Price: $6,800,000

  • Price: $6,800,000
  • Est. Mortgage of $/month
  • 2 Days on Market
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$
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Federal 30-year interest rate: 6.76% last updated on Sep 10, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
  • $6,800,000List Price
  • 6Bedrooms
  • 11Bathrooms
  • 3Half Baths
  • 0.54Acreage
Listed by Tere Foster of COMPASS
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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.

Property Details of 7909 78th Avenue SE

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Listing data courtesy of NWMLS as provided by MLS Grid as of September 12, 2026 12:33 PM UTC . All data is obtained from various sources and has not been, and will not be, verified by broker or NWMLS. All information should be independently reviewed and verified for accuracy.  Properties may or may not be listed by the office/agent presenting the information. Supplied Open House Information is subject to change without notice. Many homes contain recording devices, and buyers should be aware they may be recorded during a showing. Listing data shown with the three tree icon are provided courtesy of NWMLS. Some IDX listings have been excluded from this website. IDX information is 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.  The data is deemed reliable but is not guaranteed.

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