This duplex apartment is located in Quinta da Marinha, one of the most exclusive areas in the parish of Cascais. With three bedrooms, including a suite, this property offers an excellent opportunity for those looking for comfort and exclusivity in one of the region's most coveted areas. The apartment has a gross private area of 201 square meters and a gross construction area of 240 square meters. Entering from the second floor we find a bedroom en suite and walk in closet, complemented by two additional bedrooms and a complete bathroom. Going up to the second floor we have a kitchen with Bosch equipment and a terrace. There is also a spacious 41m2 living room with a terrace and a guest toilet. The outdoor space includes 4 terraces in total, the sum of which equals 39.2 square meters, perfect for enjoying the Cascais climate. The gated community, Sheraton Cascais Resort, offers exclusive amenities such as a gym, spa, swimming pool and renowned restaurants such as Yakuza by Olivier and Glass Terrace. Owners will also have the option of enjoying services such as room service, cleaning and a concierge in the lobby. The location is ideal for those who value proximity to the main roads. The property is just 3 km from the A5 highway and 5 km from the Marginal. In addition, Kings College School is 3 km away, and Colégio Amor de Deus is just 5 km away. This is a unique opportunity to acquire a quality apartment in one of the most exclusive areas of Cascais, at a highly competitive price, with easy access to essential services and the main roads.