LX 127 · FestivalsBOO Seattle

Current edition

Beta · Source-backed catalog. Details may change; check the official festival site before making plans.

Edition

2026

Dates

Oct 30–31, 2026

Last verified

2026-09-05

Lineup

Lineup not cataloged for 2026. Artist names have not been source-verified and transcribed into the catalog.

Venue and map

Travel basics

Host area

Seattle, Washington, United States

Venue

WAMU Theater

Camping

Not verified

Age policy

18+

Map precision

Verified venue point

Attendance context

7,200 venue capacity · 2026 · official

WaMu Theater maximum reception capacity; not BOO attendance.

Tickets

Ticket status: on sale

Check the official ticket page for current availability and terms.

Past editions

No past editions are cataloged yet.

Other BOO locations

• 

  BOO Arizona

  Scottsdale

  Oct 30–31, 2026

  Tickets: on sale

Related festivals

• BOO Arizona

  Scottsdale · United States

  Oct 30–31, 2026

• Nocturnal Wonderland

  San Bernardino · United States

  Sep 19–20, 2026

• III Points

  Miami · United States

  Oct 16–17, 2026

• Day Trip Festival NorCal

  San Jose · United States

  Oct 17–18, 2026

Sources

Last verified 2026-09-05. 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.