4618 Atlantico Street Welcome to this beautifully upgraded, energy-efficient single-story home on an elevated golf course lot in Siena, offering spectacular golf course and mountain views. This exceptional property features owned solar and an on-demand hot water system for outstanding efficiency and lower utility costs. Offering approximately 2, 162 sq. ft., this highly sought-after floor plan has been extensively remodeled with luxury vinyl plank flooring throughout, custom lighting, designer finishes, and beautifully updated bathrooms. The gourmet kitchen is a showstopper with a huge quartz island, all-new custom cabinetry, stainless steel appliances, abundant storage, and an open layout perfect for entertaining. The spacious primary suite is a true retreat, featuring three closets and a luxurious custom bathroom with a jetted soaking tub, oversized walk-in shower, bidet, and quality finishes. The secondary bedroom includes a built-in Murphy bed, making it ideal as a guest room, office, or flex space. Enjoy indoor/outdoor living from the private fenced backyard with a full patio canopy overlooking the golf course and surrounding mountains. Additional upgrades include double leaded-glass front doors, a custom gated front courtyard, high-end roller shades throughout, and numerous custom features rarely found in Siena. This home has two full car garage plus a separated golf cart garage. Located within Siena's premier guard-gated, age-qualified community, residents enjoy an exceptional lifestyle with a championship golf course, clubhouse, fitness center, indoor and outdoor pools, tennis, pickleball, walking trails, social clubs, and a full calendar of activities. This is a rare opportunity to own one of Siena's most upgraded homes with incredible views, premium finishes, and outstanding energy efficiency.