Rare opportunity at 400 Sunny Isles! This stunning duplex offers 2 bedrooms + Den and 3 full bathrooms with a modern open layout and floor-to-ceiling windows showcasing panoramic views. Both bedrooms feature ensuite bathrooms. The entire upper floor is dedicated to the master suite with an open-concept layout, spacious walk-in closet, and elegant bathroom. Unique in the building: 3 assigned parking spaces + 1 storage unit included. Option to purchase a boat slip for vessels up to 60 feet in the full-service marina (sold separately). Resort-style amenities include a marina, tennis courts, state-of-the-art gym, sauna, and expansive pool deck. Prime location just steps from the beach and minutes to Oleta River State Park, Aventura Mall, and Bal Harbour Shops.