Summerhouse, a 23,000 SF Southampton spec house by Kean Development in the luxury estate community of Olde Towne, has hit the market for $34,950,000. The home is currently the largest on the market in the Hamptons, followed by the $145 million, 22,000 SF mansion known as La Dune. Summerhouse sits on 4 acres and spans 9 en-suite bedrooms, 9 full bathrooms and 4 powder rooms. 2 of the bedrooms are master suites, one on the ground floor and one on the second floor. The home also features custom stone fireplaces, chef's kitchen, traditional kitchen, great room, breakfast room, media room, library, theater, gym basketball court and entertainment lounge with full bar. Outdoors, the estate features a tennis court, fire pit, rooftop putting green, and a summer kitchen along with a pool and pool house that features a great room, kitchenette, full bath and changing rooms. 6 Olde Towne is currently listed for $34,950,000 with Harald Grant of Sotheby’s International Realty.