Be among the first to experience this exceptional new-construction single-family home in Keystone's highly sought-after Elk Run neighborhood. Situated on a gently sloping 11,625-square-foot homesite, this thoughtfully designed residence offers a rare opportunity to own a brand-new mountain retreat adjacent to The River Course at Keystone and the Keystone Nordic Center. Enjoy year-round recreation with championship golf, groomed cross-country ski trails, hiking, biking, and scenic paths along the Snake River. Tucked away on a quiet street, the home is just minutes from world-class skiing, dining, shopping, and the bike path. Designed to maximize its spectacular setting, the open-concept floor plan features vaulted ceilings, expansive walls of glass, and breathtaking views of the golf course, surrounding pines, and mountain landscape. The seamless indoor-outdoor design creates an ideal setting for entertaining and everyday mountain living. The home offers four spacious ensuite bedrooms, including a luxurious primary suite with a spa-inspired five-piece bath, oversized custom walk-in closet, and a secondary laundry area. Premium finishes include custom cabinetry, custom closet systems, wide-plank white oak flooring, solid white oak doors, and a dramatic floor-to-ceiling stone fireplace. The gourmet kitchen is equipped with custom-paneled Monogram professional appliances, including a 48-inch range, built-in refrigerator and freezer, refrigerator and freezer drawers, wall oven with microwave, beverage refrigerator, and two dishwashers. Dual laundry centers, one on each level, provide added convenience. Additional amenities include a game room with golf course views, wet bar, fitness room, coffee and wine bar, outdoor fire pit, spa, and a fully finished heated garage with ample space for mountain gear. Experience the perfect balance of luxury, privacy, and year-round adventure in one of Keystone's most desirable communities.