Barberrys. Magnificent Country Estate Designed By Harrie Lindeberg. 13+ Hilltop Acres. Unsurpassed Views Overlooking Oyster Bay. 18 Rooms With Exquisite Architectural Details. Water Views From Principal Rooms. Olmstead Designed Arboretum Grounds: Stone Walls, Arched Gates, Arbor Surrounding Formal Garden. Picturesque Gatehouse.