A luxurious newly built maisonette of 282.34 sq.m. is offered for sale in the prestigious area of Kalivia Thorikou, Attica. Part of the “Naiades” residential complex at Villa Kastelli, this elegant residence extends across four levels and combines contemporary architecture, premium construction quality, and functional living spaces designed for comfort and privacy. The property features five bedrooms, including a master suite, five bathrooms/WCs, a spacious living room with fireplace, dining area, separate kitchen, playroom, attic space, storage rooms, and utility areas. Large openings and carefully designed interiors provide abundant natural light and a welcoming atmosphere throughout the residence. Additional features include an elevator, internal staircase, double-glazed windows, insect screens, electric shutters, reinforced security door, autonomous heating per level, solar heating provision, private garden, and two garage parking spaces. The property also enjoys open views and is located close to schools, sports facilities, and key infrastructure. Its strategic location offers convenient access to Athens International Airport, Lavrio, and the wider Athens Riviera area, making it an ideal option for permanent residence, holiday living, or long-term investment.