This webpage is now named http://www.justoutsidedc.com/SullyPlantation.html click here to view all our photos and comments regarding the Sully Plantation Historic Site. Sully Plantation is located in Chantilly, Virginia near Dulles Airport along side the fast-pace Route 28. Free parking and usage of parkland for walking and for picnics. There is a fee for the house tour of the 18th century manor building.