La Guinguette Sonore is an independent rock festival held on the beach of La Romaniquette in Istres, France. The event features two evenings of live performances from various indie, post-rock, and punk bands, all set against the backdrop of the Étang de Berre. Known for its "Bière, poulpe & rock'n'roll" spirit, the festival also emphasizes accessibility and inclusion through its Octopulse program for deaf and hard-of-hearing attendees.