Overlooking the prestigious first block of Commonwealth Avenue, just steps from the Boston Public Garden, this extraordinary triplex offers one of Back Bay’s most coveted addresses. Highlights include direct elevator access to every level, three sun-filled corner exposures, a private roof deck ideal for entertaining, and the rare luxury of two garage parking spaces. An elegant foyer leads to a grand fireplaced living room that opens to a remarkable walk-out side terrace overlooking the Commonwealth Avenue Mall. A gourmet kitchen with breakfast nook and an elegant formal dining room enjoy classic Back Bay architectural views. The serene primary suite features a fireplace, sitting area, custom closets, and a marble spa bath, complemented by three additional bedrooms and a refined top floor library or home office with built-ins. Soaring ceilings, oversized windows, bunk room, a wet bar, and exceptional storage complete this timeless and sophisticated residence. Two Garage, Storage.