Mercer Island is a city in King County, Washington, United States, located on an island of the same name in the southern portion of Lake Washington. Mercer Island is in the Seattle metropolitan area, with Seattle to its west and Bellevue to its east.
Mercer Island is connected to the mainland on both sides by bridges carrying Interstate 90, with the city of Seattle to the west and the city of Bellevue to the east. The Lacey V. Murrow Memorial Bridge and the parallel Homer M.
Wikipedia https://en.wikipedia.org/wiki/Mercer_Island,_Washington
Official Website http://www.mercergov.org/
Coordinates 47°34'35.877" N -122°13'39.496" E