Discover exceptional waterfront living at 400 Bronson Road, a recently enhanced custom colonial overlooking scenic Mill River in sought-after Southport. Offering 4-5 bedrooms, 4.5 baths, and 5500+ square feet across four levels, this sophisticated residence seamlessly blends timeless design, modern luxury, and exceptional functionality. A newly finished 1,000-square-foot lower level adds extraordinary living space with a stylish family room, recreation/gym area, stone gas fireplace, remodeled bath, full workshop, abundant storage, and new HVAC. Brand-new sliders fill the space with natural light. A whole-house generator provides complete utility coverage. The home is elevated by a custom pantry and mudroom, double ovens, upgraded kitchen fixtures, built-in window seats, custom media room, imported Italian wallcoverings, designer lighting, and bespoke built-ins. The luxurious primary suite features a spectacular custom walk-in closet and spa-like en-suite bath. Outside, fully fenced front and rear yards, a new stone wall, flagstone walkway, and custom back-porch built-ins create an exceptional setting for entertaining and enjoying river views. Just minutes from Southport's beaches, golf, shops, and restaurants, this remarkable waterfront property offers an unparalleled combination of sophistication, wellness, privacy, and lifestyle.