Festival dijadwalkan dari 18 Jul hingga 27 Jul 2014 (9 hari).
Tomorrowland berlangsung di Boom, Belgium. Berikut adalah alamat lengkap festival: 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, Zeds Dead, Maceo Plex, Bakermat, Sub Focus, Omnia, R3hab, Paul van Dyk, Vitalic, Markus Schulz, Nicky Romero, Andrew Rayel, Ferry Corsten.
Genre dan sub-genre yang paling populer dari edisi sebelumnya adalah:
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