Welcome to Grand Marais Rock-On Festival

About Us

About the Agate Show

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The Rock-On agate festival was founded a decade ago at Muskallonge Lake State Park in Deer Park, MI.  For many reasons the show is being moved 20 miles west to Grand Marais, MI.  The agate show takes place the weekend after Labor Day.  It is held at the Community Center on Brazel Street (coincidentally across the street from the Gitche Gumee Agate Museum).


The show includes inside dealers, outside dealers, food vendors, a silent auction, rock and mineral presentations, and more!


List of Dealers

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Coming soon.

Local Accommodations

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Coming Soon.