Festival

BOO Seattle

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Fri–Sat, Oct 30–31

Opens Oct 30· BOO Seattle

Hours: Friday, October 30, 2026 5PM – 1:30AM; Saturday, October 31, 2026 5PM – 1:30AM
Address: WaMu Theater 800 Occidental Ave. S Seattle, WA 98134
Notes: Halloween-themed music festival at WaMu Theater. 18+ to enter.
Open dates: BOO Seattle Day 1: Oct 30, 5 PM–1:30 AM
BOO Seattle Day 2: Oct 31, 5 PM–1:30 AM

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