422 Harbour DriveDuck Key, FL 33050Price: $4,500,000

  • Price: $4,500,000
  • Est. Mortgage of $/month
  • 2 Days on Market
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Federal 30-year interest rate: 7.18% last updated on Nov 5, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
  • $4,500,000List Price
  • 4Bedrooms
  • 3Full Bath
  • 2,620Square Feet
There are places where the water is part of the view. And then there's Duck Key, where it shapes the entire way of life. Set in the heart of the Florida Keys, this two-story waterfront residence brings together thoughtful living spaces, beautiful open-water scenery, and everything that makes island life so distinctive. The home offers four bedrooms and three bathrooms, surrounded by lush landscaping and designed to make the most of its waterfront setting. Outside, the property really comes into its own. A private pool, beach area, and dock put the water at the center of every day. And for boaters, the details matter: A 30,000-pound boat lift, a jet ski lift, a fish cleaning station, and steps leading right into the water. A morning offshore, an afternoon exploring the keys, or a quiet even

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$
$
%
Est. Mortgage:
$/month over payments
Federal 30-year interest rate: 7.18% last updated on Nov 5, 2026. * The above figures are estimates provided by Union Street Media using the FRED® API, and are not endorsed or certified by the Federal Reserve Bank of St. Louis. Check with your lender for actual interest rates.
Listed by Tara Lyall of The High Tide Group

Based on information submitted to BeachesMLS as of November 7, 2026 1:16 PM EST . All data is deemed reliable but is not guaranteed accurate by the MLS. All information should be independently reviewed and verified for accuracy. IDX information is provided exclusively for consumers’ personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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