441 Island DriveKey Biscayne, FL 33149Sale Price: $5,350,000

  • Sale Price: $5,350,000
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Federal 30-year interest rate: 6.52% last updated on Jun 11, 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.
  • $5,350,000Sale Price
  • 7Bedrooms
  • 8Full Bath
  • 1Half Baths
  • 7,105Square Feet
  • 20,500Lot Size Square Feet

Listing Tools

Rare offering of an exquisite custom estate set on a corner 20,500 sq.ft lot with 10 foot elevation and tucked behind mature hedges. Sprawling 7,698 sq.ft. (per plans) of living areas set among carefully conceived garden rooms with tropical landscape views from every window. Formal entrance leads to 12 ft ceilings with detailed moldings. This 7 bed and 8 ½ bath residence has thoughtfully designed living spaces. Expansive windows flood home with natural light. Features include private gardens, pool,separate 2 bed guest house, chef's kitchen with butler pantry & wine room cooled to exact temperature. Staff quarters with bath next to laundry room. Home’s occupants will enjoy 2 family rooms, one up one down, pool spa, 3 car garage, covered patio with built in grill and wet bar. Sheer elegance!

Property Details of 441 Island Drive

Property Details

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Mortgage Calculator


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Est. Mortgage:
$/month over payments
Federal 30-year interest rate: 6.52% last updated on Jun 11, 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 Joan Mc Caughan of Coldwell Banker Realty

Listing Sold by BHHS EWM 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 12, 2026

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