This dramatic and sophisticated floor-through home presents an exceptional opportunity on the first block of Marlborough Street. Spanning the width of two sunny-side brownstones with direct elevator access, the spacious residence includes four bedrooms with three-and-a-half bathrooms, including a truly luxurious corner master suite. The living and entertaining rooms are classically scaled with beautiful details that retain the timeless elegance of Back Bay. The formal living room, dining room and family room all enjoy front exposure with views of tree-lined Marlborough Street. The floor plan also incorporates a grand entry rotunda, beautiful wood paneled library with wet bar, gourmet Poggenpohl kitchen open to the family room, large den, mudroom, four fireplaces and two private balconies. Complete with extra storage and two parking spaces (one garage and one outdoor), this architecturally significant home offers something special for the discerning buyer.