OFFSónar 2026
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OFFSónar 2026 is a techno, electronic, experimental festival held in Barcelona, Spain. The 2026 edition runs June 18–21, 2026, with a capacity of 10,000 attendees. The confirmed lineup features 11 artists.
- Location
- Barcelona, Spain
- Dates
- Capacity
- 10,000
- Genres
- techno, electronic, experimental
- Official Website
- offsonar.co
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- Adam Port (headliner)
- Adriatique (headliner)
- Andres Campo
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- Keinemusik (headliner)
- Maceo Plex (headliner)
- Mau P (headliner)
- MËSTIZA
- Rampa (headliner)
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What to expect
OFFSónar is the official off-programme of Sónar Festival, running across Barcelona's clubs and venues for five nights during the main festival weekend. The 2026 edition (June 18–22) brings underground electronic acts to intimate venues throughout the city, complementing Sónar's main stages with more experimental and club-focused programming.
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Sources we track
Checked last month1 primary sourceWe pull facts about this festival from the official sources below and re-fetch them on a weekly cron. Editorial copy with full per-fact verification is rolling out — until this festival's editorial is published, treat lineup and date info as "tracked" rather than "verified." How we verify →
- Official sitesonar.es