Located at the southern end of Siesta Key, near Turtle Beach State Park, Tortoise Estates presents an ideal island existence, where residents enjoy quiet relaxation as a mainstay of daily life. With many of the homes located along the Gulf of Mexico or Sarasota Bay, beautiful water views, beaches, and blue skies create a breathtaking canvas. ... more.Homes in Siesta Key's Tortoise Estates are designed to match their tropical setting, with custom home designs that pay homage to Key West, Grand Cayman and classic Florida-style beach bungalows