Boo! Seattle 2026 Set Times & Lineup in Seattle
Oct 30 – 31, 2026 · Seattle, Washington, United States
Boo! Seattle is an annual electronic dance music festival held over Halloween weekend at the WAMU Theater in Seattle, Washington. Organized by Insomniac Events, the two-day festival features multiple themed stages and immersive spooky production alongside a lineup of world-renowned DJs. The 2026 edition, scheduled for October 30–31, promises an electrifying Halloween experience, transforming the city into a vibrant, spooky wonderland. Attendees can expect a full-sensory adventure with spine-tingling performances, zany characters roaming the crowds, and indoor festival rides that offer a nostalgic throwback. With a capacity of approximately 15,000 attendees, Boo! Seattle 2026 will showcase over 50 artists across four stages, including headliners like GRiZ and Subtronics. The festival's immersive atmosphere, combined with its diverse lineup, solidifies its position as a premier Halloween celebration in the Pacific Northwest.
Lineup
- Amp
- Casey Club
- Champion
- DJ Heather
- Elderbrook
- Gramatik
- Gravagerz
- GRiZ
- James Hype
- Joshwa
- Leah York
- Levity
- LYNY
- OMNOM
- Pedroz
- Ravenscoon
- Samplifire
- Space Laces
- Taylor Hadden
- TroyBoi
- Vastive
- Walker & Royce
- WELKER
- Westend
- A Little Sound
- AZYR
- Beebo
- CHYL
- Clara Cuvé
- Cloonee
- Dansyn
- Fraze
- Getter
- Hannah Laing
- HerShe
- it’s murph
- Jem.G
- Junkie Kid
- Kayzo
- Morgan Seatree
- Sara Landry
- Subtronics
- Taiki Nulight
- Taylor Torrence
- Masquerade
- Usaybflow
- Wuki
- YDG