Located in the highly sought-after municipality of Mies, in a peaceful and desirable residential setting just moments from Geneva, this stunning penthouse duplex offers an exceptional lifestyle combining elegance, generous volumes, and abundant natural light. Offering approximately 220 sqm of usable space distributed over two levels, the property stands out for its spacious layout and the quality of its living areas. The main living space features a bright open-plan kitchen and living room, enhanced by impressive ceiling heights and large openings that flood the interior with natural light. The apartment includes several bedrooms, as well as substantial additional spaces offering exceptional flexibility and the opportunity to adapt the interior layout to suit the future owners' needs and projects. The outdoor areas, totaling more than 43 sqm of balconies and terraces, seamlessly extend the living spaces and provide inviting areas for relaxation within a private and green setting. Designed with high-quality materials and benefiting from excellent energy performance, the property meets today's highest standards of comfort and efficiency. A private cellar and a garage box, included in the sale price, complete the property, with the possibility of acquiring a second garage box at an additional cost. A rare opportunity on the market, offering significant potential for customization and future development in one of the most desirable municipalities along the Lake Geneva region.