Contemporary 3+2 bedroom duplex apartment with a 53 m2 terrace and front sea views, in a prestigious gated community with garden and swimming pool. Located in the privileged area of Alto de Santa Catarina, it combines tranquillity and sophistication. The property has a gross floor area of 428.88 m2, divided over three floors. The high ceilings, over 3 metres high, are a highlight. The social floor has an imposing entrance hall, where we immediately see the sea; a living room of about 50 m2, with a modern fireplace and access to a magnificent deck terrace with views of the river and the pool; a modern kitchen fully equipped with waste disposal unit, built-in coffee machine, 90 cm oven, 90 cm ceramic hob and gas hob, dishwasher, built-in microwave, American fridge, upright freezer, upright wine cooler; a social IS. On this floor there is also an independent staff/office suite.On the upper floor there are three bedrooms - two of them en-suite, with the master suite measuring 29m2 and a frontal view of the river, with a 12m2 IS. The lower floor, with 214 m2, has a garage for three cars (70 m2), a leisure room (54 m2), a private sauna and Turkish bath area (15 m2), wine cellar and laundry room (15 m2). The finishes are premium: Kawneer double-glazed windows; remote home automation (alarm, electric blinds, flood and gas sensors, remote lighting, video surveillance, surround sound), Daikin air conditioning, central vacuum system, natural exotic wood flooring and cabinets (sucupira), solar panels, underfloor heating in the IS, Philipe Starck sanitary ware and taps. The condominium benefits from a beautiful garden, swimming pool and gym. Alto de Santa Catarina is a quiet and well-located residential area, ideal for families looking for quality of life close to Lisbon. With sweeping views over the Tagus River, it is close to the Jamor National Park, one of the best sports and leisure complexes in the region, offering outdoor activities, cycle paths and tennis courts. The area also benefits from its proximity to the Algés Promenade, the Santo Amaro Dock and the Oeiras Marina, great for riverside walks and water sports. In addition, it has the Colégio Español Giner de los Ríos, highly sought after by families who value international education. Well served by local shops, schools, supermarkets and quick access to the A5 and CRIL motorways, it combines tranquillity, convenience and