Casa Marina outshines the rest with meticulous attention to detail. Waterfront beauty designed by Steven G. Crestron-smart home, 20 FT. Living room ceiling, spacious and customized walk-in closets, bar/media room w/ built-in wine storage, A/C garage, expa nsive bayfront deck, private yacht marina . Aventura's most exclusive, private and gated neighborhood, with just 21 homes on Island Estates.