Located in one of the most prestigious and strategic areas of the Northern Suburbs, in Polydroso Maroussi, an exceptional under-construction, ground-floor maisonette is offered for sale. The property spans three levels with a total surface of 680 sq.m. This smart home residence of refined aesthetics combines contemporary architecture, advanced technology, and top-tier energy efficiency, addressing buyers with the highest standards. The maisonette features 6 spacious bedrooms, 5 luxurious bathrooms, and 1 guest WC, offering an ideal balance between privacy and comfortable living. On the lower level, there are 2 bedrooms, 1 bathroom, and a generous entertainment or guest area, complemented by ample auxiliary spaces and an internal staircase. The ground floor hosts an impressive master bedroom with an integrated office space and walk-in closet, a striking living room with a high vaulted ceiling and fireplace, 1 WC, and a high-end open-plan kitchen with island and dining area. This level is completed by storage areas and spacious verandas that enhance natural light and seamless connection with the outdoor environment. On the upper level, 3 master bedrooms with private balconies provide absolute privacy and a refined hospitality experience. The outdoor areas, totaling approximately 400 sq.m., are a true highlight of the property and include: a private swimming pool, outdoor dining area, bar, BBQ, covered pergolas, a paved garden, and 2 parking spaces with garage door. The property stands out for its fully equipped, luxury specifications, including handcrafted kitchen and bathroom furniture, built-in electrical appliances, smart Full HD televisions, alarm system, CCTV, and a dual-zone sound system. Finally, its location ensures immediate access to major road networks, public transportation, and business hubs. * Completion date: January 2028 Marousi is just 11kms north of the Athens city centre. It can be distinguished from afar with the impressive arches of the Athens Olympic Stadium designed for the 2004 Olympic Games. Unique features: Marousi is Athens’ business hub in the North and the base for several multinationals, corporate headquarters and ad agencies. This in turn means a profusion of after-work bars, cafes and restaurants, banks, shops and shopping malls. Marousi is also home to some of Athens’ most renowned hospitals and is in close proximity to international schools. For the fitness-conscious, the sprawling Olympic Stadium(OAKA) as well as Athens’ largest green park, Alsos Syngrou, offer a great escape within the city. Accessibility: Marousi is easily accessible by metro and two stations on the suburban train line as well as by bus. It lies on the ring road of the Attiki Odos and the National Road and is just a 35 minute drive to the airport. Investment potential: Marousi has always been attractive to real estate investors due to its favourable location and development so property prices here will always offer a good return on investment.