Long Island’s beloved Great South Bay Music Festival is back for its 18th anniversary, set for Thursday, July 23, through Sunday, July 26, 2026, at Shorefront Park in Patchogue Village. The four-day festival will feature more than 55 performers across three stages, offering a mix of classic and contemporary rock, jam, pop punk, alternative rock, ska, reggae, and funk.
Headliners announced for 2026 include My Morning Jacket, Sublime, Gov’t Mule, The Used, Bruce Hornsby & the Noisemakers, Little Feat, Common Kings, Sierra Hull, KOYO, Cartel, NY Ska Jazz, and Deadlands. Emerging artists will also perform, giving festival-goers the chance to discover new talent alongside established acts.
The festival kicks off Thursday with a throwback night of alternative, emo, and pop punk rock featuring The Used, Cartel, Koyo, and Deadlands. Friday highlights the “Rock-Reggae Beach Party,” with Sublime making its only New York summer appearance alongside Common Kings and The Ries Brothers. Saturday, “Jam Day,” features Gov’t Mule with Warren Haynes, Bruce Hornsby, Sierra Hull, and LaMP, while Sunday closes with My Morning Jacket and Little Feat on their Last Farewell Tour.
In addition to music, the festival includes children’s programming, an artisan and craft market, food and beverage options, and a pop-up from Happy Days Dispensary. A portion of ticket sales benefits the GSB-Stony Brook Cancer Center Fund, which has raised more than $250,000 to date.
Tickets, including general admission, VIP, and multi-day packages, are available now at www.greatsouthbaymusicfestival.com. Children under 10 receive free admission.
