Experience refined coastal living in this newly completed custom modern residence within the exclusive and private gated island community of Key Marco. Scheduled for completion in 2026 and ideally on an approximately 22,500-square-foot homesite, this exceptional estate encompasses 6,179 square feet of total covered living space and is thoughtfully designed to capture breathtaking western sunsets and the essence of the Marco Island lifestyle. Offering five en-suite bedrooms, seven baths, expansive indoor and outdoor living spaces, and sophisticated contemporary finishes throughout, this remarkable home delivers luxury at every turn. A dramatic two-story great room is filled with natural light through walls of impact glass, creating a seamless connection between the elegant interior and resort-style outdoor living areas. Clean architectural lines are enhanced by oversized 48-by-48-inch Italian porcelain tile flooring, elevated ceilings, 8-foot interior doors, and a striking custom staircase featuring glass railings and designer detailing. A private three-stop elevator provides convenient access to all levels, including the spectacular rooftop terrace. Designed for everyday living and grand entertaining, the open-concept chef's kitchen showcases custom white oak and off-white cabinetry, quartz countertops, a dramatic waterfall island, dedicated coffee station, walk-in pantry and a premium Thermador appliance package. The thoughtfully designed floor plan offers exceptional privacy and flexibility, with a first-floor en-suite guest suite ideal as a private office or den, while the second level hosts the luxurious primary retreat and three additional en-suite guest bedrooms. The primary suite features a private balcony overlooking the tropical outdoor oasis, a spacious walk-in closet, and a spa-inspired bath with freestanding soaking tub, oversized shower, floating dual vanities and Hansgrohe fixtures. Outdoor living is elevated to resort-style proportions with a heated 40-by20-foot pool and spa featuring LED lighting, sun shelf, Diamond Brite finish and Pentair equipment. The expansive marble terrace, covered lanai and fully equipped outdoor kitchen create the ultimate setting for entertaining. Above, the expansive third-floor rooftop terrace offers partial Gulf and water views, unforgettable sunsets, and is roughed-in for a future summer kitchen or bar. Constructed with concrete on both levels and featuring ES hurricane-impact windows and doors, low-voltage infrastructure for future smart home integration, a two-car garage and additional parking for 6-8 vehicles, this residence also includes assigned Dock #80 at the private community marina with water and electric service. Residents of Key Marco enjoy gorgeous landscaping, winding roads, gated security, clubhouse, fitness center, tennis, marina amenities, and unparalleled privacy within one of Marco Island's prestigious waterfront communities.