Perched atop The Quinn, Residence 12J offers an extraordinary penthouse lifestyle in the heart of Bostons South End. Designed by Robert A. M. Stern Architects alongside Meyer Davis, this corner residence spans over 2,700 square feet with one of the citys most exceptional private outdoor spaces a 1,536-square-foot terrace overlooking the South End, Back Bay, and Downtown Boston. Curated for seamless indoor-outdoor living, the terrace features a marble fireplace, Wolf grilling station, wellness area, and multiple entertaining spaces. Inside, refined interiors include a polished Calacatta stone island, integrated Wolf and Sub-Zero appliances, bespoke entertaining bar, Poliform wardrobe systems, radiant heated floors, custom study, Lutron lighting/shading, and Bang & Olufsen audio. Full-service amenities include concierge, indoor pool, fitness center, library, sports lounge, and Kaia below. Use GPS Features: - Washing Machine