PENINSULA PERFECTION--The ONE you have been HOLDING OUT for! With jaw-dropping greenbelt views, unforgettable Texas sunsets, and a backyard that rivals a luxury resort, 520 Rock Barn Dr is in a category of its own. The show-stopping outdoor oasis features a resort-style pool and spa, outdoor kitchen, fireplace, turfed yard, expansive entertaining spaces, and a PRICELESS backdrop of mature trees that creates a setting rarely found with newer construction. Inside, abundant natural light fills the space as dramatic 15-foot glass slider doors seamlessly connect indoor and outdoor living. The kitchen was designed for both serious cooking and effortless entertaining with a Wolf 6-burner cooktop, microwave, and double ovens, a cove dishwasher, built-in Dacor refrigerator, walk-in pantry, and a separate butler's pantry. The spacious family room centers around a custom fireplace and captures breathtaking backyard views from nearly every angle. The primary suite is a true retreat, overlooking the lush greenbelt and offering a luxurious bath with freestanding tub, walk in shower, dual vanities, linen storage, mirrored dressing area, and two large walk-in closets. A private guest suite on the first floor is ideal for visitors or multigenerational living. Upstairs, a large game room, media room, and two spacious ensuite bedrooms create the perfect cozy family retreat. Additional highlights include a 4-car garage, oversized utility room with sink and extensive cabinetry, wide plank white oak flooring, custom office built-ins, surround sound system inside and out, whole-home water filtration and softener, and a dehumidification system. Located in award-winning Prosper ISD and within Prosper's coveted Windsong Ranch, residents enjoy access to the iconic 5-acre crystal lagoon, café, fitness center, miles of trails, fishing ponds, tennis, pickleball, basketball courts, and convenience to nearby PGA and Fields shopping, dining, entertainment as well as the Dallas North Tollway.