582 Halsey Lane Set on 1.4 +/- western facing acres along prestigious Halsey Lane in Bridgehampton South, 582 Halsey Lane presents a rare opportunity to secure a fully envisioned new construction estate prior to completion. Thoughtfully designed with a comprehensive amenity package and exceptional attention to detail, the residence encompasses approximately 11, 000 +/- square feet across three levels. The light-filled home will offer nine bedrooms, ten full baths, and two half baths, anchored by a dramatic double-height great room, designer kitchen with separate chef's kitchen, first-floor primary suite, private office, three fireplaces, elevator, and backup generator. A dedicated wellness and recreation level has been designed for year-round enjoyment, featuring a gym, spa, sauna, cold plunge, and media room. Outside, the grounds unfold as a private retreat with a pool and spa, a 650 +/- square foot two-room pool house with bar, sunken north-south tennis court, outdoor kitchen, more than 1, 000 +/- square feet of covered porches and terraces, and multiple spaces for entertaining and relaxation. Located just 1.5 +/- miles from the ocean, the offering combines scale, location, and an extensive amenity program in one of Bridgehampton South's most sought-after settings. Michael Frank Building brings more than two decades of experience constructing exceptional homes throughout the Hamptons, earning a reputation for quality craftsmanship and enduring value. In today's market, opportunities to acquire a new residence backed by such a proven track record are increasingly rare. An adjacent 1.4 +/- acre vacant parcel is also available for purchase, providing the potential to further expand this remarkable estate offering.