Planning a large event in Orange County for your group or organization can be a lot of fun. Let us help you out by directing you to all the best places! Find new and exciting ideas from the companies listed below. Some of the best parties in Orange County can be held on yachts in Newport Harbor, at the large Anaheim Convention Center or inside some of the many classy restaurants located all over Orange County. Whatever it is youre looking for, youll find it here.