In the beautiful Viglitsa area of Agios Konstantinos, a privileged unfinished three-level detached house (maisonette) of 142 sq.m., built in 1992, is offered for sale on a 1,300 sq.m. plot. Located just 5 minutes from the sea, the property enjoys breathtaking, unobstructed views of the Euboean Gulf. The residence is developed over three levels, offering flexibility and excellent investment potential: Ground Floor (31 sq.m.): Independent apartment with one bedroom, kitchen, and bathroom — ideal for guests or rental use. First Floor (80 sq.m.): Two spacious bedrooms, one bathroom, and an open-plan kitchen–living room with fireplace, creating a warm and inviting atmosphere. Second Floor (31 sq.m.): Two additional bedrooms and one bathroom, perfect for a large family or visitors. In total, the property features 5 bedrooms, 3 bathrooms, 2 kitchens, and 3 living areas. Its southeast orientation ensures abundant natural light throughout the day, making it bright, airy, and dual-aspect. The expansive plot includes olive trees and offers ample space for landscaping, garden creation, or outdoor leisure areas. Situated in a quiet neighborhood with no communal fees, the home boasts verandas overlooking the sea and panoramic open views. An ideal choice for permanent residence, holiday home, or investment opportunity in one of the most charming seaside locations of Central Greece.