How much is 550 Harbor Drive?

550 Harbor Drive is listed at $19,450,000, which is about $2,994 per square foot. The listing page shows comparable active listings and recent closed sales nearby so you can judge the asking price against what buyers have actually paid.

What are the property taxes on 550 Harbor Drive?

The listing reports annual property taxes of $105,472 for 2024. Taxes are reassessed at the sale price after a purchase, so a new owner's bill can differ from the current owner's; use the mortgage calculator on this page for an estimate.

When was 550 Harbor Drive built?

550 Harbor Drive was built in 2003 and the listing describes its condition as resale. Age matters for insurance and financing in Florida: ask about the roof, the electrical panel and, for a condo built before the current code, the building's structural reserve study.

How long has 550 Harbor Drive been on the market?

550 Harbor Drive has been listed for 340 days, and the asking price has been reduced from $21,950,000. Days on market and price changes are the first signals of how much room there is to negotiate.

Is 550 Harbor Drive waterfront?

Yes. The listing describes the water as no fixed bridge ocean access lagoon navigable water no fixed bridges. For a home with dockage, confirm the water depth at low tide, the seawall condition and whether the route to the inlet passes under any fixed bridges before you offer.

Which schools serve 550 Harbor Drive?

The MLS lists Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments are set by the district and can change; verify them with the school board before you rely on them.

How do I see 550 Harbor Drive?

Request a showing from this page or call BreakThru Realty and a licensed agent will arrange a private tour, in person or by video, and answer anything the listing leaves out.

550 Harbor Drive, Key Biscayne, FL 33149

$19,450,000 · Active

7 beds
8 baths
6,497 sq ft
Single Family Residence
Built 2003
Lot 23,086.8 sq ft
7,356 sq ft total
4 garage spaces
Miami-Dade County
MLS# A11912105
Hurricane Cove

Photo 1 at 550 Harbor Drive, Key Biscayne

Photo 2 at 550 Harbor Drive, Key Biscayne

Photo 3 at 550 Harbor Drive, Key Biscayne

Photo 4 at 550 Harbor Drive, Key Biscayne

Photo 5 at 550 Harbor Drive, Key Biscayne

Photo 6 at 550 Harbor Drive, Key Biscayne

Photo 7 at 550 Harbor Drive, Key Biscayne

Photo 8 at 550 Harbor Drive, Key Biscayne

About this home

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

Features

Built-in Features
Elevator
Balcony
No Fixed Bridge
Ocean Access
Lagoon
Navigable Water
No Fixed Bridges
Equipment Included

Schools

Elementary: Key Biscayne K-8
Middle: Ponce De Leon
High: Coral Gables

Presented by

BreakThru Realty · (786) 914-1017

Courtesy of

Three Bridges Realty, LLC · threebridgesrealty@gmail.com · Listing agent: William D. Earle

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. IDX information is provided exclusively 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. Data is deemed reliable but is not guaranteed accurate by BeachesMLS. Listings held by brokerage firms other than BreakThru Realty carry the name of the listing broker.

Schedule a showing

Call or text BreakThru Realty at (786) 914-1017 or email sales@breakthrurealty.com to see 550 Harbor Drive.

Questions About 550 Harbor Drive

How much is 550 Harbor Drive?: 550 Harbor Drive is listed at $19,450,000, which is about $2,994 per square foot. The listing page shows comparable active listings and recent closed sales nearby so you can judge the asking price against what buyers have actually paid.
What are the property taxes on 550 Harbor Drive?: The listing reports annual property taxes of $105,472 for 2024. Taxes are reassessed at the sale price after a purchase, so a new owner's bill can differ from the current owner's; use the mortgage calculator on this page for an estimate.
When was 550 Harbor Drive built?: 550 Harbor Drive was built in 2003 and the listing describes its condition as resale. Age matters for insurance and financing in Florida: ask about the roof, the electrical panel and, for a condo built before the current code, the building's structural reserve study.
How long has 550 Harbor Drive been on the market?: 550 Harbor Drive has been listed for 340 days, and the asking price has been reduced from $21,950,000. Days on market and price changes are the first signals of how much room there is to negotiate.
Is 550 Harbor Drive waterfront?: Yes. The listing describes the water as no fixed bridge ocean access lagoon navigable water no fixed bridges. For a home with dockage, confirm the water depth at low tide, the seawall condition and whether the route to the inlet passes under any fixed bridges before you offer.
Which schools serve 550 Harbor Drive?: The MLS lists Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments are set by the district and can change; verify them with the school board before you rely on them.
How do I see 550 Harbor Drive?: Request a showing from this page or call BreakThru Realty and a licensed agent will arrange a private tour, in person or by video, and answer anything the listing leaves out.

Explore

Recently Sold Nearby

591 N Mashta Drive, Key Biscayne, FL 33149 · Sold $14,000,000 · 4 bd · 5 ba · 4,290 sq ft

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Nearby Cities

Key Biscayne Neighborhoods

Nearby ZIP Codes

A comparable home, 591 N Mashta Drive, Key Biscayne, FL 33149, sold for $14,000,000 in August 2026. Key Biscayne neighborhoods include Commodore Club and Ocean Club. Nearby ZIP codes include 33131 and 33129. This property also neighbors Brickell, Coconut Grove, and Miami. Compare it with the Key Biscayne housing market report.