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From Mangroves to Mansions: The History of Port Royal, Naples

How a bold vision turned marshland into one of America’s most exclusive waterfront enclaves.
Brian Giacomello  |  December 10, 2025

When you show up to Port Royal today — elegant estates lining man-made peninsulas, docks with mega-yachts, the Gulf shimmering just steps away — it’s hard to imagine the raw canvas that once lay beneath it. But the story of Port Royal began in swamps and mangroves, with one man’s audacious dream and a landscape reshaped.


1. The Visionary: John Glen Sample

In the mid-20th century, Chicago-based advertising executive John Glen Sample turned his sights to Southwest Florida. He purchased large parcels of swamp and mangrove on the southern tip of Naples — land many might have dismissed as undesirable.

Sample declared his ambition to “make Port Royal the finest place in the world to live.” He began dredging and creating canals and peninsulas, transforming nature’s marshland into buildable waterfront lots.

In these early years, the investment cost was astonishingly low compared to today’s standards — a few tens of thousands of dollars for land that would later become some of the world’s most valuable real estate.


2. The Transformation: From Swamp to Waterfront

The neighborhood’s development picked up momentum in the late 1940s and into the 1950s. Sample oversaw the excavation of canals, the creation of peninsulas, and the subdivision of land into waterfront lots.

Closed-lot sales began around the mid-1950s. One source notes homes in Port Royal started selling for as little as $11,200 in 1956. By 1960, the neighborhood was already showing its elite character.

The neighborhood’s theme is also quirky and telling: street names like Gin Lane, Rum Row, Treasure Lane evoke a playful pirate/port-city motif — a nod to the name “Port Royal” (which itself recalls the historic Jamaican town).


3. The Anchor: Port Royal Club

In 1959, the Port Royal Club was established, further elevating the neighborhood’s status. With beachfront access, tennis courts, dining, and a social center, the Club became the heart of the lifestyle here — not just a place to live, but a place to belong.

The Club helped solidify the neighborhood’s identity: luxury, exclusivity, and waterfront living — all wrapped in an understated elegance.


4. The Legacy: Today’s Port Royal

Fast-forward to the 21st century: Port Royal is now frequently listed among the most prestigious neighborhoods in the U.S. What was once marshland is now a carefully curated enclave of roughly 500 waterfront homes. 

These are not just houses — they are estate-level properties: custom design, private docks, sweeping views of the Gulf of Mexico. The neighborhood’s boundaries — water on three sides — ensure a unique feel of island living while still being in Naples proper.


5. Why This History Matters for Your Buyer

When you’re representing a northern client — someone used to classic suburbs, maybe lakefront lots inland or pine forests — the story of Port Royal gives them context:

  • Waterfront lifestyle built with intention. This wasn’t an accidental boom; it was designed.

  • Exclusivity with story. Knowing the neighbor-developer had a vision elevates the neighborhood beyond “nice beach houses.”

  • Scarcity and legacy. Because the lots were created intentionally and the boundaries are fixed (water helps define them), future supply is limited.

  • Emotion and narrative. Buyers don’t just buy a house; they buy into a piece of Naples’ evolution from swamp to sanctuary.


6. Final Thoughts

From mangrove to mega-mansion, Port Royal’s transformation is a testament to vision, investment, and timing. It reminds us that great real estate is more than four walls and a roof — it’s place, story, and lifestyle.

If you’re working with clients who want more than a vacation home — they want a legacy home in a place with roots — Port Royal delivers. And as their Realtor, you’re the storyteller connecting them to the past as much as the keys to their future.

 

Thinking about buying or selling in Naples?
Protect your investment with a trusted local expert by your side.

📞 Call Brian J Giacomello at 239-281-5269
📧 Email: [email protected]

 

William Raveis Real Estate | 720 5th Ave S. #201 Naples FL 34102

 

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