Rare opportunity. Sophisticated family home. Enjoy the quiet, beauty, and convenience of the sunny-side, first block of Marlborough Street. This fully renovated, 4 bedroom, 4 full 1 half bathroom penthouse unit has been meticulously updated and cared for by current owners. This prime address Back Bay home boasts direct elevator access to each floor, direct access two car tandem deeded parking, and private roof deck. Payne Bouchier renovations provide perfect mix of historic charm, classic elegance, and updated finishes, including substantial crown molding, soaring ceiling heights, numerous built-ins, designer lighting, and high-end materials throughout. The main living area features a front-facing living room with a fireplace, lighted bookshelves, and large bay windows, allowing for an abundance of natural light which also streams in from the rooftop skylight. The large, eat-in kitchen features top-of-the-line appliances, dual dishwashers, marble counters, and custom cabinetry. The spacious 4 bedrooms, all with en suite Waterworks bathrooms, are located on the second and third levels of the home. One bedroom is being used as a media room with wet bar and high-tech drop down TV screen ideal for watching sports and entertainment. The over-sized front-facing master is privately set on the third level, with a fireplace and en-suite bath, featuring a double sink vanity, and full sized Waterworks steam shower. This home features three fireplaces, central air, abundant storage, in unit laundry, low HOA fees, new windows, additional storm windows in rear, whole house sound system, and part-time super with building for 9+ years. Private roof deck equipped with irrigation, direct connect gas grill, sound system, and stunning views of Back Bay, Beacon Hill and the Public Garden.