18 Seven Ponds Water Mill, NY, 11976 New Construction! A Private Gated Entry Leads You To A Sprawling Custom Traditional, 10,000 Sq. Ft., 10-Bedroom, 10.5-Bath, Estate Of Masterful Construction And Consummate Finishes. Overlooks 60 Acre Reserve In Water Mill On 2 Acres Of Lush Greens And Masterful Landscape Package - Indoor/Outdoor Pools, Tennis, Basketball, Pool House, 3 Car Garage Chefs Kitchen.