Modern Back Country Retreat with Pool, Spa & 4 Private Acres. Set on 4 serene acres in coveted Back Country Greenwich, this impressive contemporary estate blends striking architecture with comfortable, light-filled living. Built in 1978 and thoughtfully maintained, the home features 11 rooms, 4 bedrooms, 4 full and 2 half baths, and an in-law suite over the 3-car garage. The main level showcases 9-ft + ceilings, hardwood floors, and walls of glass that open to expansive terraces and level lawns. A gracious living room with fireplace, formal dining room, and library with custom built-ins complement the cathedral-ceiling family room and wet-bar den, creating ideal flow for entertaining. The eat-in kitchen offers quartz counters, breakfast bar, atrium windows, and premium appliances including a gas cooktop, wall oven, counter grill, and built-in refrigerator/freezer. The primary suite on the main floor provides a peaceful retreat with a remodeled bath, walk-in closet, hardwood floors, and private sliders to the terrace. Upstairs are three additional bedrooms, two full baths, and access to the in-law suite. The lower level adds over 3,500 sq ft of unfinished space perforct for a gym, media room, or recreation area. Outdoor living is exceptional with an in-ground heated saltwater pool and spa, expansive deck and terrace, and beautifully landscaped grounds offering privacy and room to play. Modern conveniences include central air, audio and security systems, automatic garage.