High Quality Content by WIKIPEDIA articles! Cruzan Amphitheatre is a 19,000-seat open-air music venue in West Palm Beach, Florida. The facility, owned by the South Florida Fairgrounds, is a modern amphitheatre used primarily for concerts and other performances. The backstage area is sometimes used for concerts that are general admission standing room only (mostly heavy metal concerts), while the amphitheater is used as the backstage area.