2026 Summerfest - Post Malone Henry Maier Festival Park - American Family Insurance Amphitheater Milwaukee

American Family Insurance Amphitheater opened as the Marcus Amphitheatre in 1987 as the primary venue for the headlining acts performing at the annual Summerfest. The American Family Insurance Amphitheater box office provides a seating capacity of around 25,000. American Family Insurance Amphitheater is located on 100 North Harbor Drive in Milwaukee, Wisconsin by Henry Maier Festival Park. The venue provides spectacular views of Lake Michigan and the Milwaukee skyline. The majority of spectators that buy American Family Insurance Amphitheater tickets are going for Summerfest.

AmphitheatreMilwaukee.com is not affiliated with any official website or primary box office. We are an independently owned and operated company that provides access to low prices and a wide selection of inventory on the secondary market. To purchase tickets for all American Family Insurance Amphitheater Milwaukee events simply click on the performance you would like to see or call our operators at any time.