After selling out their two-day fest in 2015, Rock the Ocean’s Tortuga Music Festival will expand to three days in 2016.

The country and roots music festival will take place on the beach at Fort Lauderdale, FL, on April 15-17. Blake Shelton is the confirmed headliner, with the full lineup to follow. Past performers have included Kenny Chesney, Zac Brown Band, Hank Williams, Jr., The Doobie Brothers, Ben Harper and more.

Limited pre-sale tickets will be available on the festival’s website on October 2.