Positioned on a premier corner cul-de-sac lot in gated Castleton Manor, this extraordinary updated estate presents a rare opportunity to own a private compound in the heart of Colleyville. This 7 Bedroom, 10 Bath (7 Full & 3 Half Baths), 4 Car Garage Estate spans a total of 10,026 sq ft across the main residence (8,601 sq ft) and a fully detached Guest House/ADU (1,425 sq ft). The property blends scale, sophistication, and versatility on .921 acres. Originally designed and owned by a professional athlete, this home carries a sense of presence and legacy, now reimagined with light-filled interiors, soaring ceilings, and an open floorplan designed for elevated living and effortless entertaining. The main residence offers expansive living and dining spaces, including a formal dining room, breakfast area, and oversized island seating. The recently remodeled chefs kitchen with custom cabinetry, updated appliances, double dishwasher, warming ovens, SubZero, Wolf, and KitchenAid appliances, gas cooktop, and double oven, features a see-thru fireplace into a grotto/wine room and bar and has a walk-in pantry and seperate butlers pantry that flows seamlessly into the primary living areas, ideal for entertaining and hosting large groups. Additional highlights include an upstairs game room & play area with a large covered patio and wet bar, a private office, a den/study/library, fenced-in patio courtyard that opens to the front yard, a media/theater room, and 2 very versatile bonus rooms for use as a gym, yoga studio, craft space, home school, or more private offices. The primary bedroom suite offers a sitting area with a fireplace, an en-suite bath, a steam shower, coffee bar and ice maker, a 2nd laundry area, and a large walk-in custom closet designed for storage and showcasing luxury items. The detached two-story ADU/Guest House offers a private retreat with a covered patio, balcony, bedroom, full bath, kitchen with wet bar, and multiple living areas, ideal for multi-generational living, guests, or live-in staff. Outdoor backyard living is elevated with its Claffey heated sports pool/spa/baby pool, fire & water features, and child safety gate; an outdoor kitchen; 3 covered patios and 2 balconies; plus a dedicated, gated putting green and artificial turf playground area. Designed for privacy, scale, & effortless entertaining in one of Colleyvilles most sought-after gated communities, this home offers "Everything for Everyone", a true lifestyle estate rarely found in todays market.