Marion Oliver McCaw Hall is located at 321 Mercer St. (Mercer Street and 3rd Avenue North), on the North side of the Seattle Center. From I-5 Take Mercer Street exit (exit 167) and go straight onto Mercer Street westbound. Turn right onto 4th Avenue. Turn left to park in the Seattle Center Mercer Street Garage. To drop off patrons directly in front of McCaw Hall, proceed on 4th Avenue, turn left on Roy Street, left on 3rd Avenue and proceed immediately to the far right lane for the drop off zone. Also refer to our parking & transportation information page.