Luxurious Private Estate with Lake Greenwood Access -Tucked away on 4.5 beautifully landscaped acres in the desirable Harborside subdivision, this extraordinary estate offers the perfect balance of luxury, privacy, and access to Lake Greenwood. From the moment you arrive, gas lanterns framing the elegant brick entrance welcome you down a scenic driveway to a home that is nothing short of spectacular. Spanning over 4,500 square feet, this meticulously maintained residence showcases exceptional craftsmanship and thoughtful design throughout. Soaring ceilings in the foyer open to a beautifully designed floor plan, while impressive hand-hewn beams in the great room create a warm yet dramatic focal point that flows seamlessly into the striking gourmet kitchen and spacious living areas-perfect for elegant entertaining and comfortable everyday living. Walls of windows fill the home with natural light, each equipped with remote-controlled shades, while expansive covered patios feature retractable screens overlooking the private backyard oasis. Mature landscaping and thoughtfully curated grounds create a peaceful retreat just steps from Lake Greenwood. The luxurious vaulted primary suite is a sanctuary of its own, featuring expansive custom his-and-her walk-in closets with built-in cabinetry and a spa-inspired bath designed for ultimate relaxation. With five bedrooms and four and a half baths, every space in this home has been carefully designed to provide comfort, privacy, and timeless style. Upstairs, a large flex living area offers endless possibilities-ideal for a home theater, fitness studio, game room, or combination entertainment space-along with two additional bedrooms with private baths, making perfect guest suites or executive home offices. Car enthusiasts and outdoor lovers alike will appreciate the oversized three-car garage, offering ample space for boat storage, an RV, and recreational vehicles. In addition, two powered outbuildings provide added flexibility, including a dedicated garden shed complete with a sink. Residents of Harborside enjoy a community boat ramp, boat storage, and direct access to beautiful Lake Greenwood. A rare offering combining refined craftsmanship, acreage, privacy, and lake access, 318 Mainsail Drive is truly a one-of-a-kind estate. Call today to schedule your private tour catered to your schedule.