Private Island, Gated Home, Private access to deeded beach! Experience the epitome of exclusivity with unheard of waterfront views, unmatched privacy, and breathtaking, expansive vistas from your own private island retreat. Tucked away on a private island in Siesta Key's South Cocoanut Bayou, this Tuscan-inspired estate feels like it's been plucked from the pages of a storybook. The estate at 4315 Mangrove Place features a Tuscan-inspired central courtyard with over 4000 sq ft designed as the heart of the home. It is a grand, open-air courtyard enclosed by both the main residence and the guest villa, connected via an elegant, covered breezeway. The main residence offers soaring ceilings, intricate millwork, and expansive living spaces ideal for entertaining or quiet coastal living. A gourmet chef's kitchen, formal dining room, library, owner ensuite located on the main level with his & hers walking closets and bathrooms, and custom home theater create a balanced blend of function and indulgence, Elevator in main residence & private elevator in guest house. Connected by a covered breezeway, the guest villa features its own living quarters, private elevator, one bedroom, full bathroom, living room and full kitchen-perfect for multigenerational living or extended guests. With six bedrooms, nine baths, a three-car garage, and an ambiance that feels like a timeless escape, this estate is more than a home-it's a legacy, a retreat, a living Castle fairytale. Outdoors, a resort-style pool and spa, and lush tropical landscaping create a serene oasis, while a private deep-water dock provides direct access to the Intracoastal and Gulf with no fixed bridges. Eligible to membership to private beach.