Waterfront for Sale in Mercer Island, WA
19 homes for sale in Mercer Island, WA, priced from $2,899,988 to $28,000,000.
- 19 for sale
- $2.9M–$28M price range
19 homes The market
How Mercer Island is selling.
NWMLS data as of Oct 18, 2026
- Median sold price, last 90 days
- $2.38M
- Homes sold, last 90 days
- 61
- Median days active
- 14
- Sale-to-list price
- 97.8%
- Months of supply, a balanced market
- 4
- Median price, year over year
- +1.0%
Waterfront in Mercer Island.
Questions people ask about Mercer Island.
- How many homes are for sale in Mercer Island?
- There are 19 homes for sale in Mercer Island, WA right now, updated from the NWMLS feed.
- What do homes in Mercer Island cost?
- Listings range from $2,899,988 to $28,000,000, and the median list price is $9,590,000.
- How fast do homes sell in Mercer Island?
- Over the last 90 days 61 homes sold in Mercer Island in a median of 14 days, at a median of $2,377,778.
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Listing information provided by Northwest Multiple Listing Service (NWMLS). Properties displayed may be listed or sold by various participants in the MLS.