Magnificent three-bedroom residence in an extra wide, pristine, elevator Brownstone on the sunny-side of Marlborough Street. This sophisticated second and third floor duplex boasts high ceilings on both levels, three fireplaces, and direct elevator access to both floors. The first floor features an elegant marble foyer, grand living room facing Marlborough Street, and a recently renovated custom kitchen open to an informal family/dining area. The second floor boasts a luxurious primary suite equipped with extensive closets and a marble en-suite bath with double vanity. Two additional bedrooms- one with adjoining bathroom and a Juliet balcony- create a private wing in this exceptional home. Additional features include hardwood floors throughout, central AC, custom built-ins, detailed millwork, wet bar, laundry room, and one direct-access deeded parking space.