230 Harbor Drive, Key Biscayne, FL

230 Harbor DriveKey Biscayne, FL 33149Price: $21,800,000

  • Price: $21,800,000
  • Est. Mortgage of $/month
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$/month over payments
Federal 30-year interest rate: 6.48% last updated on Jun 4, 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.
  • $21,800,000List Price
  • 7Bedrooms
  • 7Full Bath
  • 1Half Baths
  • 6,240Square Feet
  • 20,000Lot Size Square Feet

Listing Tools

Welcome to an extraordinary European style waterfront estate, where luxury and elegance meet the tranquility of coastal living. This 3-story custom-built masterpiece boasts a spectacular social area with soaring high ceilings, creating an ambiance of grandeur and openness. This estate features 7 lavish bedrooms,7.5 opulent bathrooms, private office, cozy family room, extraordinary chefs kitchen all designed with meticulous attention to detail and the finest finishes. Step into a world of breathtaking and captivating views, where every window frames the stunning panorama of the bay and the iconic Miami skyline. The outdoor living spaces invite you to enjoy serene and unforgettable sunsets . A sanctuary of sophistication and comfort with dock, garages, elevator, and an unparalleled lifestyle.

Property Details of 230 Harbor Drive

Property Details

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Mortgage Calculator


$
$
%
Est. Mortgage:
$/month over payments
Federal 30-year interest rate: 6.48% last updated on Jun 4, 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 Brigitte Nachtigall and Jorge Boj of One Sotheby's International Realty

The multiple listing information is provided by Miami Association of REALTORS® from a copyrighted compilation of listings. The compilation of listings and each individual listing are © 2026 Miami Association of REALTORS®. All Rights Reserved. The information provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Data last updated on June 10, 2026

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