BOO HALLOWEEN
Insomniac Events‘ two night Halloween event returns to the WaMu Theater on Friday, October 30th and Saturday, October 31st, 2026! Two-day passes are on sale now with single day tickets on sale Thursday, September 3rd at 12pm PST. Phase 1 artists announced include Griz and Subtonics, and lockers are now available to reserve online.
BOO Seattle Haunted Mansion returns to the WaMu Theater this Halloween Weekend! Step inside the haunted mansion, where shadowed halls echo with haunting beats and spectral energy pulls you deeper into the night. Lose yourself in an unforgettable descent into an otherworldly realm where music possesses you and every corner holds a new thrill. The Shadows Await! -Insomniac Events
Lineup by Day:
Past Boo! Halloween lineups:
18+
Purchase tickets (Single day tickets on sale Thursday, September 3rd at 12pm PST)
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