Home of San Diego Repertory Theatre The Lyceum Theatre, located in the heart of downtown’s Horton Plaza and the historic Gaslamp District, has two state-of-the-art theatres, a two-level art gallery, and a lobby with a full concessions stand and intimate “Underground Stage.” Our affordable base package comes complete with volunteer ushers, a friendly and helpful box office sales staff, a master electrician, a generous sound and lighting inventory, and more! To book an event, visit http://www.lyceumevents.org/book_your_event.php