Magnificent estate in the Crete Senesi, ideal for conversion into a relais, for sale in Montalcino, Siena.Nestled in the picturesque rural setting of San Giovanni d'Asso, this property represents a rare investment opportunity in the most authentic heart of the Crete Senesi. Surrounded by privacy and exceptional panoramic views, the estate consists of a medieval castle surrounded by a garden and 4 historic farmhouses. The castle, consisting of two distinct buildings separated by a garden, is spread over 5 levels for a total of approximately 7,000 sqm/75,347 sq ft. The ground floor features warehouse spaces with ceilings reaching 4 meters in height: ideal environments to be converted into majestic reception halls and luxurious living areas. The upper floors offer generous layouts, perfect for creating numerous panoramic bedrooms.The property includes 4 independent farmhouses: two adjacent and two located a short distance away. Currently in need of restoration but with excellent conversion potential, these buildings enrich the expansive real estate complex with an impressive surface area of 4,500 sqm/ 48,437 sq ft. All buildings open onto the surrounding agricultural landscape, the perfect setting for designing magnificent infinity pools overlooking the magical Tuscan sunset. Its excellent location allows you to reach renowned villages like Pienza and Montalcino in just a few minutes by car, making the estate the ideal choice either as a high-profile private residence, a refined boutique hotel, or a high-potential agricultural estate.