Discover a rare opportunity to own a custom-built ranch estate nestled on 40 breathtaking acres in San Marcos. Designed for both relaxation and recreation, this exceptional property offers the perfect balance of privacy, natural beauty, and everyday convenience. The 4 bedroom, 4 bathroom residence, plus dedicated office, is thoughtfully positioned to capture the beauty of the surrounding Texas Hill Country while providing comfortable, spacious living. Outside, the property is tailored for an active lifestyle, featuring a resort-style pool with a pool chiller, turfed and paved play area, jungle gym and built-in trampoline. Additionally, the property features a generator, double septic-system, loft space above 3-car garage as well as a built in gym within the garage, and expansive outdoor spaces ideal for gathering with family and friends. With direct access to the scenic Blanco River, a barn, chicken coop, and a large outbuilding suitable for recreation, hobbies, equipment storage, or future expansion, the possibilities are endless. Currently benefiting from an agricultural exemption, the property is perfectly suited as a gentleman's ranch, private family retreat, or multi-generational compound. Ideally located along Post Road, this ranch offers easy access to Texas State University, downtown San Marcos, and a convenient commute to Austin. Enjoy the peace and freedom of country living without sacrificing proximity to shopping, dining, entertainment, and modern conveniences.