What are the location, dates & hours of Sound On Sound? Updated September 14, 2023 01:17 Seaside Park in Bridgeport, CT September 30 - October 1, 2023 Gates open at 11:45 AM ET each day The festival ends approximately 11:00PM each night Related articles Is there a schedule of performances? Can I leave/re-enter on the same day? Is there a current map of the festival grounds? How do I get to the festival? Can I bring a child to the festival? If so, how much are tickets?