632 2ND Key Dr epitomizes the true meaning of a waterfront Estate. This masterpiece sits in the quiet & peaceful Sunrise Key neighborhood, on an expansive lot, nearing two-thirds of an acre, w/ 355' of prime WF and sweeping wide water views! Built by the esteemed Waterbrook Builders, find impeccable high-end finishes abound—from gleaming marble floors to soaring ceilings & floor-to-ceiling windows that frame breathtaking vistas from every room. The open-concept design flows effortlessly, ideal for hosting, w/ refined amenities including a dedicated wine cellar, media room, gym and sauna, elevator & a separate fully appointed guest house. Outside, an inviting infinity pool sits at the heart of the mega yacht dock, perfectly positioned to accommodate a prized collection of vessels.