An independent and unfinished 350 sq.m. building is available for sale, offering the opportunity to complete and customize it according to the buyer's requirements. Located within a 9-acre estate outside the city plan, in a quiet area near the Lagonisi market, the property features three entrances. The building offers unobstructed sea views and, due to its specifications, presents high flexibility of use. It can be completed as a luxurious private villa with spacious reception areas, living rooms, bedrooms, and a private playroom. Alternatively, its structure is ideal for the creation of a boutique sports center, a private members' club, a wellness and rehabilitation retreat (spa), or a multi-purpose event venue. The pre-installation for bowling lanes offers an additional ready-made option for an entertainment zone. The infrastructure of the outdoor facilities features two swimming pools, one measuring 25m x 12m and a smaller pool 12m x 6m for training, children, or leisure. Additionally, there is designated space for a basketball, tennis, or football court, along with infrastructure for locker rooms and showers. Due to its strategic location, sea views, building square footage, and vast surrounding land, the property provides an excellent investment foundation, either for creating a unique residence with premium athletic amenities or for a profitable commercial venture.