Keystone Coffee & Auto Spa located on Princess Anne Street is a state-of-the-art car wash and drive through (or walk-in) coffee and gourmet shop. The coffee shop offers anything from Mediterraneansandwiches and veggie soup to barbecue sandwiches and salad. Check out its menu online for all of the delicious coffees and treats. Drive down a little farther and you can get your car, interior/exterior cleaned with a "high tech and high touch" system. The laser car wash is open 24/7.