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Slice RealtyPropiedad Futura

$19,450,000

7 bd · 8 ba · 6,497 sq ft · Single Family Residence

550 Harbor Dr, Key Biscayne FL 33149

For Sale · Active listing

Est. payment $106,886/mo · Mortgage calculator

Listed by Three Bridges Realty, LLC / William Earle

Contact: 305-345-2023 (listing contact).

Shown through Slice Realty. Requests from this page reach Slice Realty / Propiedad Futura, not the listing agent.

About this home

Enjoy Paradise Found 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 dolphins and manatees swim in your backyard. As the sun hits the horizon, the afterset lights up the sky illuminating the clouds in a breathtaking array of tropical colors. Text listing agent. 24hr notice

Facts
MLS #
A12111835
Subdivision
HURRICANE COVE
Property type
Residential
Property subtype
Single Family Residence
Sq. ft.
6,497
Price per sq. ft.
$2,994 / sq ft
Year built
2003
County
Miami-Dade County
Date listed
Oct 23, 2026
Last updated
Oct 23, 2026
Financial considerations
Taxes
$117,717 (2025)
Exterior features
Waterfront
Yes
View
Lagoon
Construction
Concrete Block Construction
Roof
Barrel Roof
Additional features
Open Balcony
Interior features
Heating
Central, Electric
Cooling
Central Air, Electric
Appliances
Dishwasher, Disposal, Dryer, Microwave, Refrigerator, Washer
Additional features
Elevator, Maid/In-Law Quarters
Additional features
Community
Beach Club Member Available

Mortgage calculator

Includes principal and interest, taxes and insurance.

Rate: Freddie Mac 30-year average (2026-10-22). Estimate only.

Loan amount$15,560,000
Total cost of mortgage$38,479,106
Monthly payment$106,886

Local context (our analysis)

Area stats are available for our covered neighborhoods. See neighborhoods.

Source: Southeast Florida MLS (SEFMLS). Last updated Oct 23, 2026, 4:00 PM ET

Listing data is deemed reliable but is not guaranteed accurate by the MLS. Information is provided 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.