Welcome to 36517 Calm Water Dr, a beautifully designed coastal retreat located in the highly sought-after Millville by the Sea community, approximately 5 miles from Bethany Beach. Built only 4 years ago, this exceptional 4-bedroom, 3-bath home offers the perfect blend of luxury, comfort, and low-maintenance living, ideal as a primary residence, second home, retirement retreat, or income-producing vacation rental. Inside, you are welcomed by soaring ceilings, wide plank flooring, abundant natural light, and an expansive open-concept layout designed for effortless entertaining. The gourmet kitchen features quartz countertops, stainless steel appliances, custom cabinetry, subway tile backsplash, oversized island seating, and generous prep space. The spacious living area offers elegant coastal finishes and a stunning fireplace that creates a warm yet sophisticated atmosphere year-round. Enjoy peaceful mornings and relaxing evenings from the screened porch overlooking a private tree-lined backdrop, creating the perfect indoor-outdoor coastal living experience. The thoughtfully designed floor plan includes two bedrooms on the main level, including a luxurious primary suite with a spa-inspired bath, dual vanities, and a large walk-in closet. Upstairs offers additional guest accommodations and oversized gathering spaces ideal for multi-generational living or maximizing vacation rental potential. The oversized garage provides ample storage for bikes, beach gear, golf carts, and all the essentials that come with coastal living. Residents of Millville by the Sea enjoy resort-style amenities including multiple pools, a splash pool, fitness centers, pickleball courts with permanent nets and lighting, walking and jogging trails, waterfront areas, clubhouses, picnic areas, community gathering spaces, and a pavilion for concerts and events. Beach access is effortless with the community shuttle stopping directly across from the home as the second stop on its route to the beach. Conveniently located near dining, shopping, marinas, golf courses, and Delaware's award-winning beaches, this home offers not just a place to live, but an elevated coastal lifestyle buyers dream about.