Located on northern Siesta Key, Bay Island is one of Sarasota’'s finest neighborhoods with luxury homes that redefine island living. Many of the Bay Island homes are waterfront homes with views of or access to Sarasota Bay or Roberts Bay. Just minutes from world-famous Siesta Key Beach and the charming environs of Siesta Village, residents enjoy a life of relaxation and casual sophistication with the urbane pleasures of nearby Sarasota at their doorstep. ... more.Bay Island is an architectural showcase for large estate manors built in Colonial, modern and traditional ‘’beach bungalow’’ styles. Homes in this part of Siesta Key are spacious with breathtaking scenery, have high-end amenities and offer a place to relax.