Go to any gate ticket window and show your valid service I.D. Daily Gate PromotionsThursday, August 13: Free admission with donation of school supplies to benefit Free admission with donation of school supplies to benefit Hope House Milwaukee . Participate in the Arthritis Foundation’s 5K Run/Walk to Irish Fest and receive free admission to the festival upon completion of the event. Download the free Irish Fest app to easily access FAQs, food and drink menus, maps, parking details, and build your custom weekend schedule. About Milwaukee Irish FestWhat we know:Milwaukee Irish Fest runs August 13-16, 2026, at Henry Maier Festival Park.