BEST DEAL IN THE BUILDING. Under $475/sqft on the water. Own the most spectacular unobstructed views of both No & So Intracoastal waterways, from this 3/2.5 flow through model B on the East Tower. Modern Spa & Fitness center, Sauna, Steam, Serenity gardens & massage Room. 400 SI is the only New building to offer private Marina, boat storage, and a flow through pool deck, plus Tennis and All aquatic activities in one location. Next to future community center and to the New Gateway Park.