635 Deerfield (Lot #1) Road Introducing an extraordinary land offering in Watermill, New York, located along one of the Hamptons most iconic stretches, where open sky meets preserved farmland. This rare assemblage includes four 2-acre estate lots with R - 80 zoning, plus a stunning 33-acre protected, agricultural reserve, creating a unique opportunity for luxury estate development in the Hamptons. Each parcel offers exceptional scale and flexibility to build a custom Hamptons estate, including a grand main residence, pool, pool house, expansive patios, decking, and even a tennis court, all surrounded by protected farmland views and uninterrupted natural beauty. With direct adjacency to preserved land, this offering ensures privacy, open space, and long-term value, making it ideal for those seeking Hamptons land for sale with acreage or a multi-parcel compound opportunity. All five parcels, including the agricultural reserve, are also available for individual purchase, providing flexibility for investors, developers, or end-users. This is more than land, it's a rare chance to own prime Watermill real estate defined by privacy, serenity, and timeless Hamptons appeal. This listing is offered by itself or as a package with two or more properties within 635, 639, 641&731 Deerfield Rd and 749 Head of Pond Rd.