For saleActiveListed Nov 11, 2025 · 343 days
$19,450,000

550 Harbor Dr, Key Biscayne, FL 33149

7 beds7 full, 1 half baths6,497 sq ft$2,994 per sq ftBuilt 2003

As of , this 7 bedroom, 7 full and 1 half bath house is for sale at $19,450,000 ($2,994 per sq ft). It was listed on .

MLS data updated .

Key facts

Type
House
Year built
2003
Property tax
$105,472 (2024)
Parking
4 garage spaces
View
Lagoon
Waterfront
Yes
Cooling
Central Air, Electric
Heating
Central, Electric
MLS number
A11912105

Listing information

Listing courtesy of Three Bridges Realty, LLC, 305-345-2023, threebridgesrealty@gmail.com

Listing agent: William D. Earle, willearlybird@aol.com

BeachesMLS. All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright ©2026 BeachesMLS, Inc.

MIAMI MLS. Listing data from MIAMI MLS (South East Florida Regional MLS). Information is deemed reliable but not guaranteed.

Listing information is provided for consumers' personal, non-commercial use. It may not be used for any purpose other than to identify homes consumers may want to buy or rent.

Listing last changed .

From the listing

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

The text above is the listing description from the MLS, as written by the listing agent.

The Key Biscayne market

As of , the median asking price in Key Biscayne is $2,235,000, or $1,141 per sq ft, across 147 listings for sale. The median listing for sale there has been on the market for 109 days.

Price and status history

Listing date
Days on market
343
Original list price
$21,950,000
Price changes
1
DateEventPrice
Price changed$21,950,000 → $19,450,000
Listed$21,950,000

From the MLS. RealVista does not show sold prices.

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