Dog parks, beaches and parks in Mercer Island, WA
Mercer Island has 5 places in our guide, and all of them welcome dogs today, 3 of them off-leash.
Open to dogs now first, then off-leash places and those with a photo.
Who sets the dog rules here
Nearby towns
How we knowThe agencies that set dog rules here, and what each one says
- King County ParksLeash 8 ft in county parks. Off leash at Marymoor Park's dog area.1 place here
- OpenStreetMapWhere no agency rule is on file, the dog tags people add to the map.4 places here
Check posted signs. They are the rule on site. This guide restates published rules and OpenStreetMap data, which can be out of date or incomplete. It is not legal advice.
City limits: US Census Bureau, TIGER/Line places, 2026 (public domain). A place belongs to the town whose limits hold its point on the map.