World's Largest Inflatable Bounce House Arrives in Antioch for Two October Weekends

The world's largest touring inflatable amusement park is coming to Antioch this autumn, setting up a massive 50,000-square-foot attraction at the Contra Costa County Event Park across two consecutive October weekends. Scheduled for October 17–18 and October 24–25, 2026, the family festival brings gigantic custom inflatables, interactive sports arenas, and high-energy music to the East Contra Costa community. Touring organizers announced that the Antioch appearance marks one of only two Northern California stops on their nationwide autumn schedule.

The touring attraction provides a vibrant outdoor weekend entertainment option for thousands of families, teenagers, and adult fitness enthusiasts traveling from Antioch, Pittsburg, Brentwood, and Oakley. Beyond providing youth recreation, the major regional event will deliver substantial local economic activity to Antioch dining establishments, grocery markets, and hospitality providers surrounding the fairgrounds. Neighborhood merchants have prepared for thousands of regional visitors seeking dining and shopping before and after their designated jumping sessions.

The Contra Costa County Event Park on 10th Street, historically known as the county fairgrounds, has served as a central regional gathering space for community fairs, equestrian showcases, and cultural festivals for more than eight decades. County fairground management and the Antioch City Council have worked strategically in recent years to attract diverse commercial family entertainment tours that utilize the venue's extensive open grounds and parking facilities. Venue administrators coordinate closely with municipal police and fire departments to oversee crowd logistics and ensure public safety during major weekend attractions.

The centerpiece of the sprawling installation is a 900-foot-long obstacle course packed with climbing towers, giant slides, and balance beams, alongside a dedicated sports arena equipped with basketball hoops and soccer nets. Live disc jockeys and regional food truck vendors will operate on site throughout both weekends, providing food, drinks, and upbeat music. Tickets start at $35 for an all-access three-hour timed pass, which guarantees dedicated access to the main bounce castle alongside unlimited turns on all peripheral obstacle zones. Inquiries regarding fairground parking and ticketing can be directed to event park administration at (925) 757-4400.

Ticketing sessions are organized into designated age brackets ranging from toddler sessions to adults-only evening blocks to ensure safety and enjoyment for all visitors. Festival coordinators advise attendees to purchase tickets online in advance through the tour portal, as high demand is expected to sell out popular weekend afternoon time slots. Visitors are reminded to wear comfortable socks and arrive 30 minutes prior to their scheduled entry time for wristband distribution and safety orientations.