In a prime and strategic location between Kalivia and Markopoulo, this exceptional commercial property is offered exclusively for sale, presenting an outstanding opportunity for immediate business use as well as future development potential. The property spans a total land area of 8,853 sq.m., consisting of two separate, even, and buildable plots (5,448 sq.m. and 3,405 sq.m.). On the smaller plot stands a modern building of 470 sq.m., constructed in 2012, with energy class B, combining functionality with high-quality specifications. The existing business operates as a plant nursery and agricultural supply store, fully equipped with all necessary infrastructure. It includes a 2,500 sq.m. glass greenhouse with controlled temperature, humidity, and irrigation systems, as well as a 1,000 sq.m. shading structure. Additionally, the property features agricultural electricity supply, a private water drilling (borehole), and a 220 sq.m. water tank. The entire premises are enclosed by a solid perimeter wall and offer two separate gated entrances. The building is developed across three levels: Basement (200 sq.m.): configured as a storage area with organized shelving, housing the water supply system and electrical installations. Ground floor (200 sq.m.): includes office spaces, a WC, and additional multi-purpose areas. First floor (70 sq.m.): features a fully functional apartment with a kitchen and bathroom, ideal for residential use or staff accommodation, with access to a spacious outdoor terrace that can be further utilized or built upon. The property is equipped with modern amenities such as heating and cooling systems, aluminum window frames with double glazing, security doors, structured cabling, alarm system, security cameras, ventilation, and fire detection systems. It also provides ample indoor and outdoor parking spaces. This is a unique investment opportunity, ideal for professional use or further development, located in a highly accessible area close to major roads. Authorized Listing Agent, CLAIRE DIMAS / REAL ESTATE AGENT. Registry No. (G.E.MH): 178365203000. Member of the Athens - Attica Realtors Association. Availability for showing by arrangement.