Exclusive Casey Key located just south of Siesta Key ranks among the most prestigious addresses in the Sarasota area. A slim eight-mile-long island between the Gulf of Mexico and Blackurn Bay, Casey Key merges elegance and Old Florida charm with aplomb. Sprawling estates and large single-family residence blend with the barrier isalnd's pristine wildlife and natural environment. Casey Key includes some of the highest property values on Florida's West Coast. ($1,500,000 to $25,000,000)