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Dog Parks & Beaches in Mercer Island, Washington

Compare 2 spots in Mercer Island with off-leash status, hours and parking before you head out.

2 spots mapped · 2026 · updated June 24, 2026

🐾 Open Mercer Island on the map All Washington spots

Best spots in Mercer Island

  1. Genesee Dog Park

    Mercer Island

    Genesee Dog Park is an off-leash dog park near Mercer Island, Washington — fully fenced ground where dogs can run leash-free. Check DogMap for hours, parking and what's open right now.

    Fenced dog park
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  2. Growlerz Seattle

    Mercer Island

    Growlerz Seattle is an off-leash dog park near Mercer Island, Washington — an open, unfenced ground where dogs can run leash-free. Check DogMap for hours, parking and what's open right now.

    Open dog park
    View on the live map →

Mercer Island spots: FAQ

Where can my dog be off-leash in Mercer Island?
DogMap maps 2 off-leash spots in Mercer Island, Washington. Each one's page shows its off-leash status, fenced or not — or open the live map to see what's allowed right now.
Are there fenced dog parks in Mercer Island?
Some Mercer Island spots are fully fenced and some are open — check each spot below for its fenced status before you go.