A rare opportunity to own a true penthouse duplex in the heart of the SoHo Cast Iron Historic District, this 2,588-square-foot loft offers an exceptional blend of volume, privacy, and outdoor space. Spanning an entire floor with private keyed elevator access, the home features over 1,200 square feet of dedicated outdoor living across multiple terraces, creating an experience that feels more like a private residence than a typical apartment.The main level is designed for scale and light, with dramatic ceiling heights exceeding 11 feet and a wall of French doors that open directly onto a private terrace. The living and dining areas flow effortlessly, making the space ideal for both everyday living and large-scale entertaining. Upstairs, the duplex layout continues with an expansive grand room framed by floor-to-ceiling windows.The primary bedroom suite occupies the mezzanine level and functions as a private retreat, complete with a generous walk-in closet and dressing area. The en-suite bathroom is finished with refined, spa-inspired details, including a freestanding soaking tub by Waterworks.The kitchen is sleek, modern, and built for serious use, centered around a seven-foot island and outfitted with high-end Miele appliances, including a six-burner gas cooktop, vented professional hood, integrated refrigerator, dishwasher, and wine storage. Wide-plank white oak floors, central air conditioning, custom lighting, in-unit vented washer/dryer, and a video security system complete the interior.Above it all, the roof deck delivers a truly special outdoor setting with an outdoor kitchen and gas grill, panoramic city views, and ample space for dining, lounging, and entertaining. Additional basement storage is available for purchase.74 Grand Street sits at the heart of SoHo, surrounded by the neighborhood's iconic cast-iron architecture. The home is moments from world-class shopping along Broadway and Prince Street, renowned art galleries, and some of downtown Manhattan's most sought-after dining destinations, with easy access to Nolita, Tribeca, and multiple subway lines nearby. Behind its restored 19th-century cast-iron facade lies a modern loft conversion of exceptional quality, recognized with the 2022 Preservation Award by the New York Landmarks Conservancy.