Address: 960 Brush Hollow Road
Theatre in Jericho, New York. The Theatre at Westbury is an entertainment venue located in the hamlet of Jericho, outside of Westbury, New York. Constructed as a theatre in the round style with seating for 2,870 that was originally developed as a means to present top performers and productions of popular theatrical musicals at a series of venues located in suburban locations on the East Coast of the United States.