Offered for sale or rent at $75,000/month. Introducing the Penthouse at HL23, a spectacular one-of-a kind residence that floats high above the High Line. Designed by Neil Denari, this architectural masterpiece showcases breathtaking views to the north, south, and east as well as intimate views of the renowned High Line Park. On the upper level of this duplex Penthouse is the expansive glass 'Great Room' that is surrounded on three sides by an exceptional 1,173 square feet wrap terrace with vast views of the Manhattan skyline to the Hudson River. With a push of a button, two floor-to-ceiling glass walls seamlessly open providing the ultimate in indoor/outdoor living. Down on the lower level, the grand Living/Dining room is accentuated by a custom crafted wood burning fireplace while the open chef's kitchen features custom-built Poliform cabinetry, Miele appliances, and Corian countertops. Separated from the entertaining space is the lavish master bedroom suite that features an oversized dressing room, and a sumptuous master bath suite including marble slab walls and floors, a custom bathtub, and a separate double shower. Additional features include two spacious guest bedrooms with en-suite marble baths, motorized shades, multi-zoned HVAC, and a top-of-the-line audio/visual system. HL23 is a perfectly located Chelsea Condo with five-star amenities including 24hr doorman/concierge, fitness center, storage, and bike room.