The OC Fair returns to Costa Mesa for 23 days of summer fun under the 2026 theme, "Your Adventure Awaits." One of Southern California’s most anticipated annual events, the fair features carnival rides, live entertainment, concerts, exhibits, food vendors, and family-friendly attractions. Spend the day exploring agricultural exhibits, shopping local vendors, and enjoying classic fair favorites. It’s an Orange County summer tradition that offers something for every age and interest. 🍿 Experience an OC Summer Tradition — Get Your Tickets 🔋 Keep Your Phone Charged — Shop Portable Chargers✨ Beyond the Fairgrounds — Explore Costa Mesa🍊Discover More Orange County Events, 🍊Guides 🍊Experiences🍊Book Tickets🍊Hotels