A custom Lowcountry masterpiece in the heart of highly desirable Old Mount Pleasant, 741 Winthrop offers nearly 4,000 square feet of beautifully designed living space created for the way we live in the Lowcountry. This 4-bedroom, 4.5-bath American Vernacular home combines a naturally flowing floor plan, exceptional craftsmanship, expansive indoor/outdoor living, and a premier walkable location. DESIGN & ARCHITECTURAL DETAILS: *3,980 square feet | 4 bedrooms | 4.5 baths *Dual primary suites- one on each level *10-foot ceilings on both floors *More than 75 windows providing exceptional natural light *Classic shiplap walls and hand-milled ceiling beams and 6-panel solid-core doors *Hardwood, slate, marble, and designer tile flooring *Designer wallpaper and lighting selections *Built-in Sonos*Metal roof *Double mahogany and glass entry doors *Detached garage. THE HEART OF THE HOME: *Expansive open-concept great room, chef's kitchen, and vaulted dining room *Hand-milled ceiling beams and gas fireplace *Abundant windows and natural light *Effortless flow for everyday living and entertaining. CHEF'S KITCHEN: *12-foot, two-tier island with seating for 6+ and generous storage *Marble island and perimeter countertops *Thermador appliance package *48-inch, 6-burner gas range with dual gas ovens *Oversized farmhouse sink *Custom cabinetry *Everpure water filtration system *Adjacent mudroom with walk-in pantry, pet room, wine refrigerator, coffee bar, and extensive storage. BEDROOMS & BATHS: *Main-level primary suite with dual vanities, custom walk-in closets, and freestanding soaking tub *Second primary suite upstairs with ensuite bath and custom walk-in closet *Two additional upstairs bedrooms, each with ensuite bath and walk-in closet *Beautiful marble and designer tile selections throughout. MEDIA ROOM / FLEX SPACE/ AND MORE: *Cozy home theater with surround sound *Versatile space that could also serve as a home office, den, playroom, or fifth bedroom *Spacious laundry room with wash sink and storage cabinets, hanging rack and laundry chute from second floor *Ample storage closets- all with custom wood shelving. OUTDOOR LIVING: *Welcoming front porch for relaxing and connecting with neighbors *More than 400 square feet of screened outdoor living *Screened porch with gas fireplace, wired sound, Haiku smart fan, and TV connection *Professionally landscaped, private backyard *Hot and cold outdoor shower *Oyster-shell driveway *Irrigation and landscape uplighting *Corner lot with lush flowering landscape and fruit trees. ADDITIONAL FEATURES: *Recirculating Rinnai tankless water heater *Encapsulated Crawlspace with dehumidifier in 2026 *Attic storage over the garage/ THE OLD MOUNT PLEASANT LIFESTYLE: *Walk, bike, or golf cart to Pitt Street Bridge, Alhambra Hall & Park, Pitt Street Pharmacy, the Farmers Market, restaurants, shopping, and schools *Cast a line, drop a crab trap, or launch a kayak from nearby Pitt Street Bridge *Enjoy Shem Creek Park, waterfront dining, and some of the area's best sunsets *Nearby parks, tennis, fishing, pickleball, and basketball courts *Zoned for Mt. Pleasant Academy, Moultrie Middle, and Lucy Beckham High *Approximately five miles to downtown Charleston and a quick bike ride to Sullivan's Island *Beautifully designed, meticulously maintained, and perfectly suited to the Lowcountry lifestyle, 741 Winthrop is a rare opportunity to own an exceptional home in one of Mount Pleasant's most coveted neighborhoods.