445 Grand Bay Dr #1001, Key Biscayne, FL, 33149 Spectacular High-Floor Residence. Experience elevated coastal living in this stunning 5-bedroom, 4.5-bathroom residence, ideally positioned on a high floor of the exclusive Grand Bay. This expansive unit also features a dedicated media room, inviting family room & a separate exercise room, offering the perfect balance of luxury, comfort, and functionality. Enjoy breathtaking, unobstructed views of the Atlantic Ocean & Biscayne Bay from multiple private balconies. The home is exquisitely finished with custom built-in millwork, elegant marble flooring & designer lighting throughout, creating an atmosphere of timeless sophistication. Perfect for entertaining or serene relaxation, the thoughtfully designed layout blends indoor & outdoor living seamlessly within a premier service building.