Experience elevated waterfront living at 400 Sunny Isles East with this rare combination of space, views, and prime location in the heart of Sunny Isles Beach. This bright and spacious 1,553 SF, 2-bedroom + den, 3-bath residence features a highly desirable split-bedroom floor plan designed for both privacy and functionality. The versatile den functions as a third bedroom with its own ensuite bathroom, while also offering the flexibility to be converted into a private office, media room, or guest suite. Enjoy breathtaking views of the Atlantic Ocean, Oleta River State Park, the Intracoastal Waterway, and Biscayne Bay from the comfort of your own home! Conveniently located minutes from the beach, Haulover Park, Oleta River State Park, Bal Harbour Shops, and only 10 minutes from Aventura Mall, residents enjoy resort-style amenities and easy access to boating, recreation, dining, and world-class shopping. For boating enthusiasts, the owner offers a rare opportunity to purchase a fully deeded private indoor boat slip accommodating a vessel up to 35 feet for $230,000. Located on the marina's ground level, the slip includes access to a full-service marina and valet boat service. Enjoy quick access to open waters, just minutes from Haulover Inlet and the world-famous Haulover Sandbar, while keeping your vessel protected from the elements year-round.