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. There is the possibility of monetizing the investment by making the property available for rent during the period it is not being used by the owner. 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.