A maisonette apartment of 121 sq.m. is available for sale, located on the 4th and 5th floors of a building in the center of Kalamata. The property offers high-quality construction, modern energy efficiency specifications, and numerous amenities. Key features to highlight include the fact that the maisonette belongs to energy class A, offering high energy performance and low consumption, low maintenance and common expenses, making the residence financially sustainable, and the electromechanical elevator, which provides high speed and low energy consumption for comfortable access to the apartment levels. The residence is designed with energy-efficient frames and thermal insulation throughout the exterior of the building to reduce thermal losses and cooling loads, and it has infrastructure for fiber optics, offering fast and stable internet connectivity. The apartment design offers easy access for people with disabilities and includes alarm system infrastructure, enhancing the security of the apartment. This apartment is a two-level maisonette with a basement storage space. The lower level includes two bedrooms, each with its own en-suite bathroom, a hallway, and an internal staircase. The upper level, featuring a characteristic skylight for natural light, consists of a kitchen, living room, and dining area in an open layout, along with a WC. Both levels have access to spacious balconies and the main staircase of the building with independent access. The apartment has electric/remote-controlled blinds and a space next to the bedrooms that can be converted into a walk-in closet. Heating and cooling are provided by a heat pump and floor-mounted fan coil units. Hot water is supplied by a triple-energy solar system with a 160-liter tank. The building is located in a very central area of Kalamata, near the main square and the city’s shopping center. It is also close to attractions such as the Kalamata Dance Center and within walking distance of Kalamata beach.