Introducing the Sea Pearl: a rare and refined coastal masterpiece nestled on Lower Matecumbe, just four parcels from the Gulf of Mexico. This ultra-modern smart home constructed in 2016 redefines luxury Keys living, offering five spacious bedrooms, five and a half bathrooms, and over 4,100 square feet of meticulously designed and furnished interior space. Boaters will delight in 70 feet of concrete dockage with water and electric, 15,000 lb boat lift, and panoramic sunset views over a protected nature preserve across the canal--ensuring privacy and tranquility that can never be built upon. This concrete haven is fully equipped with a whole-home generator, Control4 smart system (for AC, music, lights, alarm, security cameras, TV's and more), impact windows/doors, metal roof, and a sleek glass elevator connecting all three levels. Nearly 1,500 square feet of open-air porches and patios invite you to unwind and soak in the Gulf breezes. Step inside the ground level to a welcoming foyer that opens to a sitting area, custom wet bar, Angler's room, and guest ensuite bedroom. Just beyond, enjoy a resort-style pool and built-in spa surrounded by shell stone decking that stays cool even in the height of summer. On the second level, a show-stopping modern kitchen features custom cabinetry, Brittanica Cambria quartz countertops, expansive island with waterfall edge, seating for 8, GE Monogram appliances, Viking 6-burner induction cooktop, and wine cooler--perfect for entertaining. This level also offers three additional bedrooms, including a Jack-and-Jill suite, full laundry, and half bath. The entire top floor is reserved for the primary suite: a true sanctuary with sweeping water views and open air porch, spa-like bathroom with soaking tub, glass shower, bidet, and a custom walk-in closet. With optional White Marlin Beach access, this home is the epitome of modern island elegance--where every detail has been curated for comfort, style, and the ultimate Florida Keys lifestyle.