You will find a detailed campus map here.
In addition, iPhone and Android apps with a campus map and other features are a handy way to navigate the campus.
MIT Bartos Theater is located on the ground floor of the Wiesner Building on MIT campus (20 Ames Street Building E15, Atrium level, Cambridge, Massachusetts 02139). The Wiesner Building is found on the eastern edge of the MIT Campus. It is in close proximity to Kendall Square, Memorial Drive, and the Longfellow Bridge.
By T subway:
Take the red line to the Kendall/MIT stop, follow Main St. west to Ames St., turn left, walk the distance of about one block to the cross walk and the Wiesner Building, identifiable by its white gridded exterior, will be on your left.
Take the MTBA Route 1 and stop at the MIT main entrance on 77 Mass. Ave. Follow directions to E15.
Coming across the Longfellow Bridge or from Memorial Drive, follow signs for Kendall Square. Limited metered parking is available on Ames and Amherst Streets. There are also a number of pay public parking lots near the MIT campus, the Marriott Parking Garage being close to Kendall Square.