Boo Halloween
Insomniac Events‘ two night Halloween event returns to the WaMu Theater on Friday, October 30th and Saturday, October 31st, 2026! Sign up here for early access to tickets, the lineup and other announcements. This post will be updated as more information is announced.
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
Links & More Information:
Purchase presale tickets (single day tickets on sale at a later date)
Sign up for updates
Seattle.Boo-Halloween.com
18+
WaMu Theater
800 Occidental Ave South
Seattle, WA 98134
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Past Boo! Halloween lineups:
Stay up to date on upcoming EDM events in the Seattle area by following the EmeraldCityEDM Event Calendar, and enter to win free tickets to local EDM shows on the EmeraldCityEDM Contests & Giveaways page.