43 Chestnut Hill Dr Upper Brookville, NY, 11771 A True Show Stopper Like Nothing Else On The Market. One Of A Kind Modern Day Gold Coast Manor. Grand Scale Rooms, Soaring Ceiling, Master Wing With His/Her Studies And Baths. Elegant Lr,Fdr, Magnificent Lib,True Gourmet Kit/Family Rm In-Door Pool, Out-Door Pool, Tennis, Bowling Alley,Theater,7 Bedrooms. 5+ Acre