Located in the heart of Sintra’s UNESCO World Heritage landscape, this 21,120-square-meter estate offers complete privacy, tranquillity, and a close connection to nature, as it is surrounded by the Sintra-Cascais Natural Park. The property comprises three independent houses, extensive outdoor areas, and an exceptional location just minutes from the Palácio da Pena, the Castelo dos Mouros, and only two minutes from the motorway to Lisbon. With generous green spaces, this estate is ideal for a family residence or a tourism-focused project. The main house, with 590 square meters and excellent natural light, includes five bedrooms and is distributed over three floors. On the entrance level, there is a large living room with a fireplace, a fully equipped kitchen, one suite, a guest bathroom, a utility room, a wine cellar, a technical area, and a garage. From the living room, access leads to a spacious mezzanine with a multi-purpose room suitable for leisure or a home cinema. The upper floor features the master suite with a walk-in closet and a balcony with open views, two additional suites with built-in wardrobes, a secondary lounge, and an office/library. The second house, ideal for family members, guests, or rental use, has 110 square meters and includes a living room, an equipped kitchen, two bedrooms, a full bathroom, and a storage room. A third house offers potential for conversion into additional accommodation, a studio, or a social area. The property also includes a large storage building, a second garage, a kennel, and a substantial water tank. The outdoor areas feature gardens, lawns, and mature trees, creating a peaceful and private setting. The estate benefits from close proximity to golf courses, equestrian centres, top international schools, nature trails, and the beaches of the Sintra–Cascais coastline. It is located five minutes from Sintra’s historic centre, 15 minutes from Cascais, 20 minutes from the coast, and 30 minutes from Lisbon Airport. This estate represents an opportunity for those seeking quality of life, direct contact with nature, and a secure investment in one of Portugal’s most desirable regions.