We present this 3-bedroom duplex apartment in Dafundo, in the municipality of Oeiras, available for rent. It enjoys a privileged location by the river and the sea, situated on the top floor of a 2008 building with an elevator. The apartment offers a panoramic view over the estuary and the ocean — undoubtedly the property’s main highlight. With a gross private area of 147 m², this apartment comprises three bedrooms, including one en-suite, and a total of three bathrooms. It also includes two parking spaces — one in a closed box and the other in the garage. In addition, it features a terrace — in fact, two terraces, one on each floor — both facing south and west, allowing you to enjoy the sunset with direct views of the river and the sea. The building, constructed in 2008, is in good condition and represents an excellent option for those seeking comfort combined with high construction quality. The set of outdoor spaces and the solar orientation contribute to a bright and pleasant living experience throughout the day. In terms of location, this apartment is in Dafundo, Oeiras, in an area well served by shops and services. Within minutes you can find supermarkets, cafés, restaurants, and schools. Regarding surroundings and access, the apartment is located in a highly sought-after area, with direct connections to main roads such as the A5, the Marginal (EN6), the A9 (Crel), and the IC19, providing easy access to Lisbon, Cascais, and other key points of Greater Lisbon. As for educational options, nearby schools include the Dafundo Primary School (Av. Ivens, Dafundo), the João Gonçalves Zarco Secondary School in Cruz Quebrada–Dafundo, and the Spanish Institute “Giner de los Ríos”. By car, the property is about 15 to 20 minutes from Oeiras International School and around 20 to 25 minutes from St. Dominic’s International School — both top choices for families seeking high-quality international education with quick and direct access routes. In summary, this 3-bedroom apartment in Dafundo combines a privileged location, river and sea views from its terraces, parking with a box, and excellent accessibility — an outstanding opportunity to enjoy quality living in one of the most desirable areas along the Cascais coastline.