251 Knollwood DriveKey Biscayne, FL 33149Sale Price: $10,050,000

  • Sale Price: $10,050,000
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Federal 30-year interest rate: 6.51% last updated on May 21, 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.
  • $10,050,000Sale Price
  • 6Bedrooms
  • 8Full Bath
  • 8,818Square Feet
  • 30,970Lot Size Square Feet

Listing Tools

Peninsular ¾ acre estate on a tranquil cul-de-sac with 327 feet of waterfront views behind a 10 ft tall iron gate provides resort-style privacy minutes-walk from sandy beaches, shopping and dining. The 6BR/8BA Mediterranean residence features an upstairs Master with bayfront balcony overlooking a deep-water swimming pool. Wood-paneled office & den downstairs tempt you to work from home. Epicurean kitchen with hand-carved artisan cabinets, Sub Zero appliances, LaCornue range, pizza oven and rotisserie, beckons entertaining for 50+. The 8,800sf two-story residence on a 31,000sf waterfront lot with 4-car garages, 15+ car driveway, porte-cochere and dockage for a 70+ ft yacht plus tender plus jet skis with no bridges to Biscayne Bay & Atlantic Ocean will entice boat and car enthusiasts alike.

Property Details of 251 Knollwood Drive

Property Details

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Mortgage Calculator


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Est. Mortgage:
$/month over payments
Federal 30-year interest rate: 6.51% last updated on May 21, 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 Diana Gutierrez of Mocca Realty,LLC.

Listing Sold by Compass Florida, LLC

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 May 24, 2026

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