Build your dream estate in the prestigious gated community of Key Marco, one of Southwest Florida's most exclusive waterfront enclaves. This oversized 0.57-acre homesite offers exceptional privacy surrounded by pristine preserves, mangroves, and breathtaking natural beauty. Located within a 546-acre private island community featuring only 134 homesites, Key Marco provides a rare opportunity to enjoy luxury living in a tranquil, low-density setting. The seller has invested tens of thousands of dollars in professionally prepared building plans and design work, which can be transferred to the buyer—providing significant value, saving time, and helping streamline future construction or expansion plans. Residents enjoy access to a private marina with Gulf access, clubhouse, fitness center, tennis and pickleball courts, scenic walking and biking trails, and some of the finest boating, fishing, kayaking, and wildlife viewing in Southwest Florida. Underground utilities, central water and sewer are available, making this an ideal location to build your custom dream home. Just minutes from Marco Island's world-famous beaches, shopping, dining, and entertainment, this exceptional homesite combines the privacy of a nature preserve with the convenience of island living. Don't miss the opportunity to own a piece of paradise in the highly sought-after Key Marco community.