249 Cleft Rd Mill Neck, NY, 11765 Oak Knoll Is An 18 Acre Estate Built For Bertram Work And Designed By William A Delano At The Start Of The Gold Coast Era. Offering Classic Italian Design , This Residence Is Set On Breathtaking Property With Views Of Oyster Bay Harbor. Special Old World Details Include Cobblestone Driveway, A Carriage House W/Apartment, A Gardeners House W/ Green House, And An Apartment.