Newly renovated with refined flair in an elegant loft-like environment, this duplex penthouse is situated in a grand c. 1886 McKim Mead & White mansion on the boulevard’s south-facing side in the heart of Back Bay. Overlooking the sweeping cityscape, with front/back decks, this luxurious residence is accessible by elevator from its garage space and also features additional parking right outside. Natural light streams into the 2-story skylit atrium with open staircase. Anchored by a dramatic fireplace, the bowfront great room is set off by beautiful European oak floors. A sleek mix of form and function, the dine-in chef’s kitchen has polished concrete floors, Gaggenau appliances and stone counters. Opening to a deck, the window-walled family room features a fireplace and media center. Another deck opens off the primary bedroom suite offering abundant closets and a luxe bath with jetted tub and shower. Amenities include 4-zone HVAC, a Sonos sound system and a storage room by the garage.