RARE Opportunity: a combination of 2 of the most desirable units at The Carlton House attached to the luxurious Newbury Hotel. Incredible space, with numerous floor to ceiling windows offering sweeping views of The Charles River, Public Garden and a unique view of the entire Commonwealth Avenue Mall. Huge Livingroom, a separate Diningroom with and a den all with different, unique views of the Back Bay. The Primary Bedroom Suites each with en suite bath and amazing dressing room and closets. Has the potential of being turned into a 3 or 4 bedroom residence. Also, the unit next door 15D can be purchased (asking $3.75M) for an additional approximate 1125 sq ft. The Carlton House has 24-hr concierge, hotel room service and direct hotel access and 2 valet parking spaces. Boston's Finest.