Set on an elevated corner lot along one of Sullivan's Island's most desirable streets, 2871 Ion Avenue offers a rare opportunity to own a truly remarkable coastal retreat. Spanning over 5,000 square feet, this home presents a level of scale no longer permitted under current town building restrictions, affording a unique opportunity to own a residence of this size on Sullivan's Island.Thoughtfully designed for both entertaining and everyday living, the home features expansive gathering spaces and a seamless flow throughout. The gourmet kitchen serves as the centerpiece, complete with two oversized islands that provide ample space for hosting. Multiple living areas offer flexibility across all levels, including a top-floor loft with a wet bar and blackout drapes, ideal for a media lounge, fitness space, playroom, or a private retreat. Two spacious primary suites create an ideal layout for accommodating guests. Just off the main-level primary suite, an additional flex room provides the perfect setting for a private office or expanded wardrobe space. Outdoor living is equally compelling. The rooftop deck is outfitted with integrated lighting and a sound system, offering sweeping island views and an exceptional setting for entertaining. The private backyard is a serene escape, featuring a pool, an outdoor shower, and mature landscaping, including a private English garden, citrus trees and a fig tree. Additional highlights include driveway parking for six or more vehicles and convenient beach access without the need to cross the maritime forest. Positioned on Ion Avenue, known as the island's highest street, this property offers an exceptional combination of scale and location, just moments from Sullivan's Island's celebrated shops, dining, and beachfront.