Gateway Classic Cars is the world's largest classic and exotic car sales company. With sixteen locations throughout the United States, the company's headquarters are located in O'Fallon, IL. Nothing short of impressive, our showroom has about 200 classic and exotic cars on display, making it the perfect venue for any event. We boast over 80,000 square feet of event space. Host your ceremony in the expo center, followed by drinks in the Cadillac Lounge, finishing up with dinner and dancing in the Lincoln Room. All of Gateway Classic Cars event space comes with access to our showroom. Guests can have cocktails, enjoy a meal, and wonder throughout the showroom filled with classic and exotic cars. And if that still isn't enough, guests can kick back and relax in our theater room!