Experience the ultimate in Lowcountry luxury with this rare opportunity to own a stunning waterfront retreat and the adjacent homesite. Tucked 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 lot at 16 Sand Dollar Court. Together, these properties provide exceptional privacy and expansive views of the tidal lagoon. The main residence is a thoughtfully designed 2,700 sq. ft. elevated home built in 2020, featuring 4 spacious bedrooms and 4 bathrooms. Inside, modern coastal elegance shines through gleaming hardwood floors, high-end tile, and a chefs kitchen that flows seamlessly into the open-concept living area. Large windows and multiple levels of decking bring the serene water views into everyday living, creating the perfect setting for entertaining or relaxing with morning coffee. Ownership of 16 Sand Dollar Court ensures lasting privacy and preserves your views. This additional parcel also provides flexibility for future plans while offering the security of owning two distinct legal lots within an exclusive gated community where available land is limited. Beyond your private gate, enjoy the Harbor Island lifestyle with 2.5 miles of private beach and access to the Beach & Racquet Club, featuring Olympic-sized pools, a fitness center, tennis and pickleball courts, and crabbing docks. Whether you are seeking a primary residence, a family retreat, or an investment property, this dual-lot opportunity offers a rare level of space and privacy in island living.