EXTRAORDINARY custom-designed 4 bedrooms + study PENTHOUSE triplex nestled in a 2-unit building, boasting over 3200+ sq ft of pure luxury. Grand rooms, 2 parking spaces with direct access creates a feel of a single-family home. This stunning residence showcases state-of-the-art renovation, an open-concept layout, and 2 private decks, is ideally located between Back Bay and the South End. The spectacular living room is adorned with high ceilings, a fireplace, flowing seamlessly transitioning into a stunning chef's kitchen equipped with Viking/SubZero appliances and a large center island. It opens onto a spacious deck, perfect for grand entertaining. The grand primary bedroom suite occupies the entire second floor, complete with a built-in walk-in closet with ample storage and home office./study. Third floor has 3 large additional bedrooms and baths, providing versatility. To crown it all, a magnificent roof deck offers breathtaking panoramic views.