Festivalen ble arrangert fra 18 Jul til 27 Jul 2014 (9 dag(er)).
Tomorrowland finner sted i Boom, Belgium. Her er den fullstendige adressen til festivalen: Tomorrowland 2850 Boom, Belgium
tINI, Armin van Buuren, Paul Kalkbrenner, David Guetta, Tiësto, The Chainsmokers, Kygo, Above & Beyond, Martin Garrix, Angerfist, Steve Aoki, Robin Schulz, Alesso, DJ Snake, Skrillex, Diplo, Dimitri Vegas & Like Mike, Eric Prydz, Afrojack, Cosmic Gate, Yellow Claw, Hernan Cattaneo, Carl Cox, Neelix, Will Sparks, Don Diablo, Richie Hawtin, Kaskade, Maceo Plex, Zeds Dead, Sub Focus, Bakermat, Paul van Dyk, Omnia, Vitalic, R3hab, Markus Schulz, Nicky Romero, Andrew Rayel, Ferry Corsten.
De mest populære sjangrene og undersjangrene i den siste utgaven var:
electronic
pop
hip hop
house
electronica
dance
techno
electro
trance
electro house
progressive house
minimal
tech house
minimal techno
club
deep house
progressive trance
dubstep
chillout