615 SENTRY HL Welcome to a world of quiet elegance and million-dollar views in Stone Oak's highly sought-after, guard-gated community of Canyon Springs Estates. Situated on an expansive, tree-lined one-acre lot, this spectacular seven-bedroom custom estate offers a safe, private sanctuary masterfully designed for the grand scale of multi-generational family living and memory-making. Built with commercial-grade integrity, the residence boasts a rock-solid engineered foundation, fire-resistant Texas limestone construction, a whole-house surge protector, and a premium nine-filter reverse osmosis water filtration system. At the heart of the home is a magnificent, light-filled gourmet chef's kitchen that will delight the culinary enthusiast. This open-concept space features a premium six-burner Wolf gas cooktop surrounded by custom Italian tile, hidden slide-out spice racks, high-level Texas granite countertops, and soft-close custom cabinetry. Brand new Bosch refrigerator and dishwasher units pair beautifully with KitchenAid professional double ovens and a massive commercial exhaust hood, making it as functional as it is beautiful. For grand celebrations and effortless hosting, the estate features a dedicated grand ballroom and lounge complete with a waterproof dance floor and a secondary wet bar area fully loaded with a KitchenAid refrigerator, sink, and custom wine racks. The entertainment options continue upstairs, where a massive twenty-four by twenty-one foot media room boasts a one-hundred-and-twenty-inch theater projection screen, custom surround sound, and soundproof walls. Adjacent to the theater, a hidden bonus room acts as the perfect private music studio, children's playroom, home office, or home gym. The estate is fully wired for the modern era, featuring an upgraded Cat-6 network, unmatched smart-home telecom infrastructure, and a top-tier Vivint security system newly updated in March 2026. The outdoor living space is nothing short of a magical, resort-style paradise. A spectacular, custom Keith Zars pool and an oversized thirty-foot heart-shaped jacuzzi feature three custom water installations, a flagstone island, and an external heating source for year-round enjoyment. Meander past the majestic, five-hundred-year-old white oak and persimmon trees to discover the home's crowning jewel: a magnificent new six-tier birch wood deck with reinforced bridging. This architectural marvel offers the ultimate luxury treehouse experience for kids and adults alike, serving as a peaceful, elevated haven to take in the panoramic Texas Hill Country views. Blending unparalleled privacy, top-rated schools, and sophisticated luxury, this move-in ready masterpiece offers a quiet retreat away from the hustle of everyday life. Schedule your private tour today to experience this unmatched estate.