Mercer Island
1867 nautical chart
city
Mercer Island, Washington
island in
Lake Washington
King County, Washington
Washington
island of
Mercer Island, Washington
Interstate 90
note
This is the island that has the city of the same name.
OpenStreetMap
https://www.openstreetmap.org/way/4798445
random
Rock Creek
tags
island
no Wikimedia category
no Wikipedia article
Wikidata
https://www.wikidata.org/wiki/Q49658163
