Bay Harbor Fest is the Gulf Coast's finest 3-day music and arts festival held at the Bay St. Louis Municipal Harbor. Southern Rock, Soul, R&B, Zydeco, Reggae, Blues, Indie, & Country set the stage for the SUMMER'S COOLEST BEACH PARTY! Grab your beach chairs, flip flops and suncreen and come enjoy the best of the beach, Fine Art, and Gulf Coast Cuisine!