CENTENNIAL LOBBY Centennial Theatre Lobby Specifications Size: 75′ x 30 ‘ | Ceiling Height: 20 ‘ | Audio visual equipment available upon request. Reserve Centennial Lobby Whether you are planning a cocktail, a training session or a seminar, the Centennial Theatre Lobby offers various configurations to accommodate your needs. Kiosk: 20 spaces Dinner, round tables: 80 seats Cocktail: 160 patrons Classroom: 70 seats Performance: 150 seats Square-shape: 44 seats U-shape: 36 seats