Spectacular penthouse duplex in a stunning Italian Renaissance Revival masterpiece on Beacon Hill’s coveted Flat of the Hill, inspired by Isabella Stewart Gardner’s famed Fenway Court. Exceptionally unique, this architecturally significant residence has been masterfully transformed by the current owners through an extraordinary renovation. Spanning 4 bedrooms, 4.5 baths, and 3,863± SF, the home is complemented by five private outdoor spaces totaling ~1,300 SF—an unparalleled offering for seamless indoor-outdoor living. Grand living and entertaining spaces feature soaring ceilings, bespoke finishes, custom wood beams, and abundant natural light with panoramic Charles River views, just to name a few. A luxurious primary suite with two decks and a spa-inspired bath crowns the home. Elevator access, two parking spaces, and an unrivaled locations moment from the Public Garden and Charles Street complete this exceptional offering.