LX 127 · FestivalsBOO Seattle 2026
Organizer: Insomniac
Seattle · Announced
Oct 30–31, 2026
Seattle, Washington, United States
Edition details
- Dates
- Oct 30–31, 2026
- Location
- Seattle, Washington, United States
- Last verified
- Venue
- WAMU Theater
- Promoter
- Insomniac
- Age policy
- 18+
- Camping
- Not verified
- Genres
- Not verified
Lineup
Lineup not cataloged for 2026. Artist names have not been source-verified and transcribed into the catalog.
Attendance context
7,200 venue capacity · 2026 · official
WaMu Theater maximum reception capacity; not BOO attendance.
Attendance sourceTickets
Ticket status: on sale
Check the official ticket page for availability and terms for this edition.
View official ticketsSources
Last verified . These sources support the 2026 edition facts.
- https://seattle.boo-halloween.com/
- https://www.insomniac.com/events/festivals/
- https://booseattle.frontgatetickets.com/
- https://uploads.visitseattle.org/2026/02/06130824/2026_Venues_Grid_FINAL.pdf
Official home title confirms October 30–31 2026 at WAMU Theater; directory supplies Seattle, 18+ and ticket sale link.