Set in the heart of the Alentejo region, where unspoilt nature meets exceptional investment potential, this 12.55-hectare estate is located in Foros do Locário, within the municipality of Santiago do Cacém. Surrounded by the characteristic Alentejo landscape of cork oak and eucalyptus trees, the property offers privacy, tranquillity and excellent accessibility, making it an ideal setting for a private residence, agricultural venture or tourism development. The estate includes a 48 m² registered dwelling, comprising several rooms, as well as an agricultural outbuilding. Both structures require renovation, providing an excellent opportunity to create a bespoke project tailored to your vision and needs. The land is fully fenced and benefits from three wells, mains water supply, electricity and a septic tank, ensuring the essential infrastructure is already in place. One of the property's greatest assets is its significant development potential, subject to approval by the relevant authorities, including the National Ecological Reserve (REN): Extension of the existing house up to 500 m²; Construction of agricultural support buildings up to 1,255 m²; Opportunity to develop Rural Tourism (TER) projects, including: Country Houses or Agritourism developments up to 4,000 m²; Rural Hotel developments up to 6,000 m². This exceptional flexibility makes the property suitable for a wide range of projects, from an exclusive private country estate to a high-quality tourism development, benefiting from the increasing demand for authentic nature-based destinations in the Alentejo. The property is located just a short distance from Fonte Serne Reservoir, ideal for outdoor leisure activities, and approximately 30 minutes from the stunning beaches of the Costa Vicentina, including the renowned village of Porto Covo, celebrated for its natural beauty and unspoilt coastline. Despite its peaceful rural setting, the estate enjoys excellent road connections and convenient access to the region's main transport routes, making it an increasingly sought-after location. A rare opportunity to acquire a unique property offering privacy, natural beauty and exceptional development potential in one of Portugal's most authentic and desirable regions.