Welcome to 105 Rosecourt Street, the largest single-story floor plan in the highly sought-after Greenway phase of WaterSound Origins. Located on a quiet cul-de-sac with convenient access to Highway 98, this meticulously customized 4-bedroom, 3.5-bath coastal cottage offers the luxury of new construction without the wait. Featuring more than $300,000 in upgrades, the home showcases one of the finest outdoor living spaces in WaterSound Origins. The private backyard retreat includes a saltwater pool with dual waterfalls, an elevated spa with a SunBrite outdoor TV, a screened porch with a premium NatureKast outdoor kitchen, Big Green Egg, and Lynx gas grill. An expanded front porch with a custom hanging bed swing provides the perfect place to relax. Inside, thoughtful designer finishes include 10-foot ceilings, 8-foot solid-core doors, white oak ceiling details, grasscloth wall coverings, designer lighting, and custom millwork throughout. The open-concept living area centers around a chef's kitchen featuring Sub-Zero and KitchenAid appliances, a 10-foot quartz island, Carrara marble backsplash, custom wood hood, farmhouse sink, and built-in bar. The spacious primary suite is privately situated at the rear of the home and features a luxurious bath with dual vanities and a custom walk-in closet. Three additional bedrooms, including one with an en-suite bath and another currently serving as an office, provide flexible living space for family and guests. Additional highlights include a whole-home Sonos sound system with outdoor speakers and an in-ground subwoofer, a covered breezeway leading to the detached two-car garage, and an extended driveway for ample guest parking. Potentially a carriage house could be added above the detached garage. Offering exceptional craftsmanship, designer finishes, and unmatched indoor-outdoor living, 105 Rosecourt Street is a rare opportunity to own one of the most upgraded homes in WaterSound Origins.