Experience the ultimate in Lowcountry luxury with this rare opportunity to own a stunning waterfront retreat and the adjacent homesite. Nestled at the end of a quiet cul-de-sac on private Harbor Island, this offering includes the custom-built residence at 18 Sand Dollar Court along with the vacant lush lot at 16 Sand Dollar Court. Together, these properties create a sprawling coastal sanctuary with unparalleled privacy and expansive views of the tidal lagoon.The main residence, a masterfully designed 2, 700 sq. Ft. Elevated home built in 2020, features 4 spacious bedrooms and 4 bathrooms. The interior is a showcase of modern coastal elegance, boasting gleaming hardwoods, high-end tile, and a chef's kitchen that flows seamlessly into the open-concept living area. Large windows and multiple levels of decking invite the serene water views inside, making it the perfect backdrop for entertaining or quiet morning coffee. The inclusion of 16 Sand Dollar Court is a true game-changer for the discerning buyer. By securing the neighboring lot, you gain guaranteed privacy to ensure your views and peace remain uninterrupted. This secondary parcel offers incredible expansion potential to create a massive private estate, add a secondary guest house, or design a world-class outdoor living area with a private pool and gardens. Furthermore, it provides excellent investment security by giving you ownership of two distinct legal parcels in an exclusive gated community where land is a finite and appreciating resource. Beyond your private gate, enjoy the world-class Harbor Island lifestyle including 2.5 miles of private beach and the Beach & Racquet Club with its Olympic-sized pools, fitness center, tennis and pickleball courts, and crabbing docks. Whether you are looking for a primary residence, a legacy family vacation home, or a high-performing rental investment, this dual-lot package offers a level of space and freedom rarely found in island living. Don't miss the chance to own the premier corner of Sand Dollar Court.