Over 450 Acres of Private Island including a Luxury Mainland Estate. Step into a world of unimaginable exclusivity. This offering is not just a property, it is a once-in-a-lifetime opportunity to own over 450 acres of private island sanctuary seamlessly paired with a luxury mainland estate. Together, they create one of the most extraordinary real estate opportunities on the East Coast, and perhaps the world.Rose Island - The Ultimate Private Paradise Accessible only by water or air and less than a five-minute boat ride from the mainland estate, Rose Island encompasses over 450 acres (110 buildable) of untouched Lowcountry beauty. Surrounded by deepwater, marshes, and sparkling tidal creeks, it is a pristine canvas ready to become a world-class private retreat, family compound, or exclusive luxury development of up to 20 deepwater homes. At the heart of this sanctuary is an off-grid, self-sustaining estate with 4 bedrooms, 4.5 baths, and 2,006 square feet of thoughtfully designed space that blends comfort with eco-friendly living. The island's sheer scale, privacy, and potential are unparalleled anywhere along the East Coast. Legacy Lookout - The Luxury Mainland Estate Anchoring this offering is 107 Okatie Highway, a 22+ acre waterfront estate designed by renowned architect Jim Strickland of Historical Concepts. Spanning 8,362 square feet with 5 bedrooms, 9 baths, a guest house, safe room, multiple garages, and a travertine-tiled event space, it is a residence built with permanence, style, and sophistication. This estate serves not only as a luxurious primary residence or retreat but also as the perfect gateway to Rose Island. A Global Rarity This property represents more than luxury, it represents true exclusivity. Comparable opportunities exist only in the rarest locales, perhaps the South Pacific or a hidden Caribbean outpost, yet here, in the Lowcountry, lies a private island estate that eclipses them all. For the visionary buyer, this is not just real estate. It is a legacy, defining acquisition, a crown jewel that transcends trends and stands as an enduring statement of sophistication, power, and permanence. There is simply nothing like this, not on the East Coast, not anywhere.