Rock Island State ParkRock Island State Park (historical)
Then
Today
Nature & Parks· Door County

Rock Island State Park

Good forOutdoor lovers

No vehicles reach Rock Island — no cars, no bikes, no shortcuts. Ferry passage from Washington Island drops you on a Lake Michigan island where Chester Thordarson, a wealthy inventor, built stone structures that still stand, now part of the Thordarson Estate Historic District. Wisconsin's oldest lighthouse, Pottawatomie Light, is here too. Forty primitive walk-in campsites, miles of shoreline, and a swimming beach. Everything you bring in, you carry out.

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Editorial content compiled with AI assistance. Place details verified against public records.