MMGM Tent Sale
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Saturday & Sunday, August 29–30, 2026
Maine Mineral & Gem Museum Parking Lot
Entrance off Chapman Street
Two Days of Minerals, Museum Goods & Great Deals!
Our annual MMGM Tent Sale is back! Join us for two days under the tents in the Museum parking lot.
You’ll find a changing selection of minerals, MMGM T-shirts, and other museum goodies. You never know what you’ll discover! Whether you’re looking to add a new specimen to your collection, pick up some MMGM gear, or just see what catches your eye, there’s always something worth digging through.
Saturday, August 29: 10:00 AM–5:00 PM
Sunday, August 30: 11:00 AM–5:00 PM
MMGM Parking Lot
Rain or shine!
Come and see what treasures you can find at this year’s Tent Sale.