Mercer Island is an island city in Lake Washington between Seattle and Bellevue, connected by I-90. Use the search to browse every active listing, or pick a price range on the right to narrow it down.
Most sales in Mercer Island are single-family homes, and the typical home spends about 25 days on the market. Sellers should price against recent nearby sales rather than the citywide median, and buyers should compare a few areas before settling on a price range.
Source: Redfin Data Center, Mercer Island, about the 12 months through May 2026.