Extraordinary waterside Beacon PENTHOUSE duplex floor-through with direct elevator access to magnificent space showcases incredible natural light + outdoor decks. With its turnkey finishes+design, this ideal layout features an open/spacious living, kitchen, dining (plus wet bar and additional kitchen storage), and family room floor plan - all with access to 2 large private decks (brand new mahogany). Enjoy over 800sf+/- of private outdoor space, perfect for alfresco dining/entertaining, boasting spectacular VIEWS of both the Charles River and Back Bay. This impeccably maintained residence offers four well-proportioned bedrooms (all ensuite gleaming bathrooms) with wonderful closet space and stunning views, plus a stately office with custom built-ins. Elegant finishes and fixtures throughout. 3 charming fireplaces, pet friendly, professional management and 2 large, private extra storage rooms offer superb urban amenities. 2 garage parking spaces (tandem row) complete this rare offering.