Set in one of the most privileged and naturally captivating locations of Kea, just above Koundouros and surrounded by the authentic Cycladic landscape with uninterrupted sea views, this elegant 125 sq.m. maisonette with a fully equipped independent guesthouse represents an exceptional opportunity for both private living and touristic investment. The residence stands on a generous 6,617 sq.m. plot and includes a 30-cubic-meter water tank, ensuring complete autonomy and comfort throughout the year. The property is developed on two levels, harmoniously combining traditional island architecture with modern functionality. Its interiors are bright, spacious and fully furnished, offering immediate move-in readiness. Across the ground and upper levels, the maisonette features four bedrooms, two bathrooms, ample living and dining areas, and large openings that frame the endless Aegean views. The detached, fully furnished guesthouse provides great privacy for visitors or an additional source of income through holiday rental. Expansive verandas surround the home, offering panoramic views towards the beaches of Koundouros, the surrounding coves and the open sea. The property is just a five-minute drive from the nearest beaches, while supermarkets and traditional dining spots are also close by. A residence that perfectly blends privacy, comfort and natural beauty, making it a highly appealing choice for a holiday home, a permanent retreat or a profitable investment opportunity.