3+1 bedroom duplex flat in Oeiras, with sea views, located on one of the top floors of the emblematic S. Julião buildings, a 10-minute walk from the beaches. Comprising a social hall, lounge with an area of over 30 m2, fireplace and charming outdoor space with sea views. Fully equipped kitchen with polished granite worktops and floor, with a pleasant balcony. In the private area, there are three bedrooms, one of them en suite, all with built-in wardrobes. The upper floor, with 34 m2, has plenty of natural light (three velux windows) and has been fully utilised, making it ideal for an office, bedroom, studio or leisure space. French oak flooring, central heating, video intercom, double glazing, alarm and armoured door. Garage in box, with around 55 m2, space for two cars and toilet. Recent building with two lifts. Within walking distance of the prestigious St Julian's School, Liceu de Oeiras and Nova School of Business and Economics in Carcavelos. Located in a very central area, with all the services, restaurants, gyms, swimming pools, paddle tennis courts and a cycle path that connects Oeiras train station (a 5-minute walk) to the famous beaches of the Cascais Line and the Oeiras Marina. Living in Alto da Barra is synonymous with comfort and practicality, with a privileged location next to the beach and the Marginal. This Oeiras neighbourhood offers an excellent quality of life, combining residential tranquillity with easy access to shops, services, schools and leisure facilities. With a safe atmosphere and sea views, it is an ideal choice for those looking for a balance between urban proximity and seaside well-being. Come and see it!