Tucked away at the northern tip of Marco Island, Key Marco is one of Southwest Floridas most exclusive gated enclaves, renowned for its rare blend of refined coastal living, exceptional marina access, and unspoiled natural beauty. Surrounded by pristine waterways, mangrove preserves, and expansive bay views, this low density island community offers a level of privacy and tranquility that is increasingly hard to find. A defining highlight of Key Marco is its resident only deep water marina, providing direct, no bridge access to the Gulf of Mexico and quick routes to the Ten Thousand Islandsideal for boating, fishing, shelling, and effortless days on the water. Residents also enjoy a beautifully appointed clubhouse, fitness center, Har Tru tennis courts, a heated resort style pool and spa, and inviting social spaces designed for relaxed coastal living. Nestled on over a half acre estate lot within this prestigious setting, the residence offers an exceptional combination of privacy, luxury, and value, featuring thoughtful updates including a metal roof (2018), high efficiency 20 SEER air conditioning systems (20162017), LED recessed lighting, and hickory hardwood flooring throughout the main living areas. The elegant and versatile floor plan includes five bedrooms and four and a half baths, with three spacious en suite bedrooms, formal living and family rooms ideal for entertaining or quiet retreat, a serene primary suite with walk in closet and calming views, and a second level loft with wet bar, kitchenette, and sitting areaperfect for guests, multigenerational living, or a private sanctuary. Outdoor living is elevated with an expansive screened lanai, pool with swim jet and spa, full pool bath, upper terrace, and third level observation deck offering tranquil views of the mangrove canopy and wide waterway. An assigned boat dock allows seamless marina access, while an oversized two car garage, lush natural surroundings, and sweeping water views from nearly every room complete this refined island estate. Ownership also includes the benefits of professional community management, meticulously maintained common areas, scenic walking routes, preserved natural and historical landscapes, and a lifestyle that balances luxury with environmental stewardshipmaking this a rare opportunity within one of Marco Islands most coveted and prestigious waterfront communities.