Monster Mash Market
📍 Georgetown Trailer Park Mall, Seattle, Washington
About
Monster Mash Market is a one-day Halloween market at the Georgetown Trailer Park Mall in Seattle, held Saturday, October 17, 2026 from 10am to 5pm. The trailer park expands into 40-plus vendor booths of art, oddities, vintage treasures and handmade goods, alongside tarot readings, face painting, live art, live music, a costume contest and early trick-or-treating.
🗺️ Plan Your Trip
📅 Event: Oct 17 — Plan your travel accordingly!
💡 Pro Tip: Book hotels early for popular events! Consider staying nearby the night before for early setup.
Setting up a booth?
Free fast shipping on booth supplies
Canopies, weights, tables and displays arrive in two days with Prime. New members can try it free.
Try Prime free →Booth essentials
- 10x10 Canopy + SidewallsVendor pick
- 6ft Folding TableVendor pick
- Stretch Table CoverVendor pick
- Tent WeightsFrom $30
- Hanging Tent FanVendor pick
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