A unique opportunity to own Europe's Most Western Vineyard Estate. Nestled on the slopes of the Sintra Mountains with panoramic views of the Atlantic Ocean, this property is a remarkable 18th-century estate that offers an exceptional blend of history, luxury, and business potential. Spanning 10.4 hectares in the historic Colares wine region, this property is an unparalleled opportunity for those seeking a prestigious asset in one of Portugal's most sought-after locations. A total constructed area of 3,055 sqm, comprising 1,834 sqm of primary residential space and 1,531 sqm dedicated to agricultural and operational facilities, including a winery, warehouses, and staff housing. Historic main house built in 1711 and meticulously preserved, the main house retains its original architectural charm, characteristic of the region and period. It offers five spacious bedrooms, multiple living areas with ocean views, and direct access to the lush gardens. Luxury Amenities: Additional features include four guest apartments, a private chapel, a gym, a tennis court, and a swimming pool, creating a retreat-like atmosphere. Premium Wine Production since 2007, Casal Sta. Maria has been home to 7 hectares of meticulously maintained vineyards, cultivating red, white, and rosé wines that are true to the terroir. With an annual production of approximately 100,000 bottles, this boutique winery is celebrated for its unique expression of the cool Sintra climate, the salty Atlantic influence, and the mild winters. The brand has established itself as a hallmark of quality, offering a blend of tradition and innovation. Modern renovations from 2017 to 2021, the estate underwent extensive renovations to enhance both its residential and operational facilities, ensuring it meets modern standards while preserving its historical essence. Some final improvements are currently in progress, further elevating the estate's appeal. Enotourism and beyond with its unique location and reputation, Casal Sta. Maria has become a sought-after destination for wine tourism. The property offers guided vineyard tours, exclusive tastings, and events, presenting a significant opportunity to expand its enotourism footprint. Prime location provides unmatched tranquility while remaining conveniently close to key attractions: 5 minutes from Colares, 10 minutes from the historic village of Sintra and nearby beaches, 20 minutes from Cascais and international schools, such as St. Julian's, Carlucci American International, and TASIS Portugal, 35 minutes from Lisbon's Humberto Delgado Airport A Rare Opportunity, this iconic property is more than a home or business; it is a legacy. Whether you seek a private retreat, a luxury winery, or an investment with enotourism potential, Casal Sta. Maria is a rare find.