A.C. Petersen Drive-In is located on Route 156 at 113 Shore Road in Old Lyme, Connecticut. It is the former Hallmark location. We are open seasonally from early May until the end of September. Come visit us for burgers, hot dogs, sandwiches, seafood and our famous ice cream. Enjoy our outdoor seating area with views of the Old Saybrook Lighthouse. It’s a beautiful location and we would love to see you.