Marvellous Island Festival takes place in Paris, France on May 23-24, 2026, featuring a diverse electronic music lineup spanning techno, house, pop, and trance genres. The festival showcases 35 artists including headliners Nic Fanciulli, Dennis Cruz, Ry X, and Ilario Alicante, alongside emerging talents like Mandragora, Shlømo, and Bad Boombox. With performers representing six countries including Spain, Italy, Germany, Mexico, Bulgaria, and France, this two-day electronic music festival offers an international mix of established and rising artists across multiple electronic subgenres.