House for Sale
$18,500,000
4 bd · 4.5 ba · 2,255 sqft
Key Biscayne, FL 33149 · MLS# A11912105 · Active · HURRICANE COVE
Situated on the exclusive island of Key Biscayne, this extraordinary 7,000sqft waterfront estate sits on a rare double lot located on Hurricane Harbor overlooking tranquil Manatee Lagoon. The property offers an unparalleled sanctuary of luxury and seclusion with features including a 4 car garage ideal for collectors, professionally landscaped yard well suited for outdoor entertaining, 7 bedrooms and 7.5 baths including live-in staff quarters. Expansive living areas flow seamlessly to large outdoor, covered porches becoming your al fresco living room for outdoor dining or relaxing and soaking in the beauty of the natural environment. As the sun hits the horizon, Sunsets light up the sky illuminating the clouds in a breathtaking array of tropical colors. Text listing agent. 24hr notice
School assignments are provided by the listing and should be independently verified.
Estimate only — actual rates, taxes and insurance vary. Not a loan offer or financial advice. Financing through Matthew Gromadzki, NMLS #2560919 · Innovative Mortgage Services, Inc., NMLS #250769.
550 Harbor Dr, Key Biscayne, FL 33149 · See all Key Biscayne homes for sale
House for Sale
$18,500,000
4 bd · 4.5 ba · 2,255 sqft
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$14,490,000
4 bd · 6 ba · 6,661 sqft
CAPE FLORIDA SUB SEC 3
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$16,800,000
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MASHTA ISLAND
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$16,500,000
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$19,900,000
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MASHTA ISLAND A REPLAT OF
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$19,950,000
6 bd · 7 ba · 6,208 sqft
CAPE FLA SUB SEC 2
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$19,800,000
4 bd · 9 ba · 8,240 sqft
CAPE FLORIDA SUB SEC 3
550 Harbor Dr is a single family home for sale in Key Biscayne, FL 33149. This property was listed for sale on November 11, 2025 by Three Bridges Realty, LLC, it's currently listed at $19,450,000. This listing's school district is Miami-Dade County Public Schools. Nearby schools include Keybiscayne, Ponce De Leon and Coral Gables. 550 Harbor Dr is a 7-bed, 8-bath, 6,497 sqft single family home built in 2003.