Line-up /
David Guetta, Armin van Buuren, Kaskade, Bassnectar, Chase and Status (live), The Bloody Beetroots (dj set), Fedde Le Grand, Knife Party, Magnetic Man, John Digweed, Steve Aoki, Ferry Corsten, Gareth Emery, Sander van Doorn, Flying Lotus, SBTRKT (live), Adam Beyer, Steve Lawler, Joris Voorn, Jamie, Jones, Seth Troxler, Damian Lazarus, Nic Fanciulli, Layo & Bushwacka!, Marcus Schössow, Popof, Art Department, Big Gigantic, Savoy (live), Tritonal, Jochen Miller, Keys N Krates, Elio Riso, Remo, Eco, RioTGeaR, Lee Foss, Maya Jane Coles, Deniz Kurtel, Maetrik, ATB, Gui Boratto,

In 2011, ULTRA drew 150,000 attendees coming from 71 countries & territories and all 50 U.S. states and Puerto Rico, making it the first ever 3-day music festival of its kind to completely Sell Out 150,000 tickets almost two months before the event. The 2011 edition featured more than 300 artists performing on 27 stages over a three-day period. Originally created as a pure EDM (electronic dance music) festival in 1999. Previous artists throughout the years include The Chemical Brothers, The Prodigy, Tiësto, deadmau5, David Guetta, Armin Van Buuren, Underworld, Carl Cox, Fatboy Slim, Justice and Moby, but also crossover headline bands like The Cure, The Killers, The Black Eyed Peas, Santogold, New Order, The Ting Tings, Duran Duran, The Bravery.