For sale: $45,000,000. This exceptional triplex penthouse is the highest point of 10 Sullivan, gracing its signature south-facing prow, where curved walls of oversized windows offer exceptional southern light and breathtaking Downtown and Uptown panoramas. Comprising 8,359 interior square feet and 1,782 exterior square feet spanning a private roof deck and two private balconies, this 6-bedroom residence with 7 bathrooms and 2 powder rooms is the highest residence in all of SoHo. On the lower level, beyond the private elevator vestibule, a gracious entry foyer leads to a formal central gallery, ideal for showcasing art, and then to the magnificent great room, with soaring double height ceilings and three walls of floor-to-ceiling windows. The sprawling Poliform windowed chef's kitchen with dual entrances and center island breakfast bar is appointed exquisitely with handsome walnut cabinetry and Lagano marble slab countertops and backsplash, boasting top appliances by Sub-Zero, Miele, and Viking and an adjacent butler's pantry. Two bedrooms, each with windowed en-suite baths; a windowed Library with adjacent powder room; and a 404-square foot balcony complete this level. On the second level, also with direct elevator access and a private entry vestibule, a central gallery leads past three secondary bedrooms, each with windowed en-suite baths, to the magnificent double-height master suite. The stunning master bedroom looks out over the southern prow, with exceptional southern light and open downtown views. The master suite also offers motorized window shades and two grand walk-in closets. A spa-like master bath, elegantly clad in Dolomite white marble features a Macassar Ebony Poliform double vanity with Lefroy Brooks fixtures, freestanding soaking tub, separate steam shower, private water closet, and radiant heat flooring throughout. The third level is an oasis. A spectacular spa room with full bath includes a 20' skylit mosaic tile pool overlooking all of SoHo. Adjacent is a glass-wrapped Solarium with wet bar, conducive to private daily enjoyment and lavish entertainment. Crowning this mansion in the sky is a 974-square foot private roof deck with 360-degree view and an outdoor kitchen. The sumptuous palette of the penthouse includes oil-rubbed Danish oak floors and oversized industrial style windows, with distinctive interior finishes inspired by SoHo's rich aesthetic heritage. Modern conveniences abound, including private interior elevator with access to all three interior levels and the roof deck, Savant home automation system, motorized window draperies, and radiant heating throughout.