Nestled in a peaceful cul-de-sac just 9 minutes from downtown Charleston, 644 Semaht offers the perfect blend of charm and modern convenience. This meticulously maintained brick ranch has been thoughtfully updated, including a spacious 415 sq ft addition that adds even more living space. The newly added dwelling unit features luxury vinyl plank flooring, soaring ceilings, a loft, and a half bath--ideal for guests, a home office, or a creative retreat.Inside the main house, you'll find 3 bedrooms, including one with its own half bath, and a beautifully renovated full hall bathroom. The living area seamlessly flows into the kitchen, which boasts ample cabinetry and sleek granite countertops. Step outside to the large screened porch, offering a serene view of the private backyard--for relaxing or entertaining. With no HOA, you'll have the freedom to keep your boat in the driveway or backyard! Need extra storage? In addition to the ADU, there's a spacious shed for all your tools and gear. Just minutes from MUSC, the Terrace Theatre, a variety of restaurants, shops, and James Island County Park, this home is ideally located to enjoy all that Charleston has to offer.