Concert Venues in Galveston Old Quarter Acoustic Cafe Where: 413 20th St, Galveston, Texas - 77550 Events: 17 Grand 1894 Opera House Where: 2020 Postoffice, Galveston, Texas - 77550 Events: 9 Galveston Island Convention Center at The San Luis Resort Where: 5600 Seawall Blvd, Galveston, Texas - 77551 Events: 1