Stone Manor American  style restaurant, Located at: 5820 Carroll Boyer Road Middletown, MARYLAND   Phone Number 301-473-5454           Hours of Business: Lunch and Dinner Daily           Average Price: $70                   Stone Manor has an innovative, multi-ethnic influenced, contemporary American style. The perfect restaurant for a special occasion, or just a romantic evening away from the city. Just minutes from Frederick, Maryland, conveniently located near Baltimore and Washington, D.C.