Orange County knows how to go big! If you're searching for large event venues in Orange County, CA, you’ll find everything from grand ballrooms and waterfront resorts to sprawling outdoor spaces with stunning SoCal views. Planning a corporate gala, a massive wedding, or a community festival? OC has the perfect space just for you! Think luxury venues in Newport Beach, chic industrial spaces in Costa Mesa, or vineyard-style estates in the hills of San Juan Capistrano. Plus, with year-round sunshine, you’ve got options for indoor elegance or outdoor grandeur. Ready to find the perfect space for your big event? Keep scrolling to explore the best venues in the area.