Duplex Penthouse in preferred Key Biscayne beachfront complex - Key Colony. Three bedroom, three bath plus utility room/den, elegantly updated. Marble floors, beach and bay views from all rooms. Two terraces. Access from floors 11 and 12. Amenities include 24/7 Concierge and Security, beach, pools, tennis courts, gym, hiking trails, deli store, and many more. Easy to show by appointment.