Old Mystic Inn the Address: 52 Main St, Old Mystic, CT 06372 Phone: (860) 572-9422 Hotels & Motels, Bed & Breakfasts Other Businesses: Old Mystic Inn at 52 Main St, Old Mystic, CT 06372 Old Mystic General Store at 47 Main St, Old Mystic, CT 06372 Old Mystic General Store at 47 W Main St, Old Mystic, CT 06372 JTK Management Restaurants at 3 Main St, Old Mystic, CT 06372