Henry Maier Festival Park (Summerfest Grounds)

Open hours
The Marcus Amphitheater Box Office's regular hours begin Monday, April 4 and are as follows: Mon-Fri: 10:00am - 6:00pm Sat: 10:00am - 1:00pm Sun: closed The Box Office will be open from 10am to 1 hour after the stated show time for concerts taking place Monday-Saturday and from 12 Noon to 1 hour after the stated show time for concerts on Sundays.

Contact.The Box Office number is (414) 273-2600. Contact Information Phone: 414-273-2680 or 800-273-FEST Website: http://www.summerfest.com/about/henry-maier-festival-grounds/

Will call tickets can be picked up at the Marcus Ampthitheater box office on the Day of Event. Marcus Amphitheater box office (main box office) is located at the south end of the grounds.