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$19,450,000

  • For Sale
  • Active
  • Single Family
  • 7 Beds
  • 7 Full Baths
  • 1 Partial Bath
  • 6,497 Sq. Ft.
  • Updated 1 day ago
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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

Full Property Details for 550 Harbor

General

  • Price: $19,450,000
  • Taxes: $105,472 (2024)
  • Status: Active
  • Type: Single Family
  • Source: Martin_County
  • MLS ID: A11912105
  • Updated: 9/4/2026
  • Added to Site: 298 day(s) ago

Interior

  • Interior Features: Built-in Features, Separate/Formal Dining Room, Eat-in Kitchen, Elevator, Living/Dining Room, Upper Level Primary
  • Appliances: Some Electric Appliances, Dryer, Dishwasher, Electric Range, Disposal, Microwave, Refrigerator, Water Heater, Washer
  • Flooring: Carpet, Marble

Rooms

Bathrooms

  • Total Bathrooms: 8
  • Full Bathrooms: 7
  • Half Bathrooms: 1

Bedrooms

  • Total Bedrooms: 7

Additional Information

  • Pool: Yes
  • Private Pool: Yes
  • Pool Description: Pool Equipment
  • Tennis: Yes
  • Security/Safety: Smoke Detector(s)

Exterior

  • Exterior Features: Balcony, Porch, Patio
  • Porch/Patio/Deck: Balcony, Covered, Open, Patio, Porch

Parking

  • Garage: Yes
  • Attached garage: Yes
  • Covered Spaces: 4
  • Total Spaces: 4
  • Parking Features: Attached, Driveway, Garage, Garage Door Opener

Location

  • Area: 2520
  • County: Miami-Dade
  • Subdivision: HURRICANE COVE
  • Direction Faces: Southeast

Community

  • Community Name: 2520

Heating & Cooling

  • Central air: Yes
  • Air Conditioning: Yes
  • Cooling Type: Central Air, Electric
  • Heating Type: Central, Electric

Utilities

  • Sewer: Public Sewer
  • Water: Public
  • Utility Description: Sewer Available, Water Available, Water Connected

Structural Information

  • Property Detached: Yes
  • Roof: Barrel
  • Square Feet: 6,497
  • Living Area: 6,497 Sq. Ft.
  • Year Built: 2003
  • Property Condition: Resale

Lot Features

  • Property View: Lagoon
  • Lot Size (Sq. Ft.): 22,975
  • Lot Dimensions: 22975
  • Zoning: 2000

Water Features

  • Water Front: Yes
  • Water Front Desc.: Lagoon, Navigable Water, No Fixed Bridges, Ocean Access

Financial Considerations

  • Tax Amount: $105,472
  • Tax Year: 2024
  • Terms: Cash, Conventional

Disclosures and Reports

  • Special Conditions: Listed As-Is
  • Legal Description: 5 & 6 55 42 .30 AC HURRICANE COVE PB 57-66 LOT 2 LOT SIZE 13302 SQ FT F/A/U 24-5205-013-0010 OR 19060-1529-1531 03/2000
  • Property ID: 24-52-05-007-0020

Listed by Three Bridges Realty, LLC

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Listing agent

— 550 Harbor —

  • Three Bridges Realty, LLC

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 550 Harbor

School District:Dade County School District
NameGradesDistance
Key Biscayne K-8 Center
150 West McIntyre Street, Key Biscayne, FL 33149
PK-50.4 mi
Ponce De Leon Middle School
5801 Augusto Street, Coral Gables, FL 33146
6-86.4 mi
Coral Gables Senior High School
450 Bird Road, Coral Gables, FL 33146
9-126.4 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 550 Harbor Get Price Alerts and Save Property

Date
Details
Price
Change
Source
11/11/2025
Listed
$19,450,000
530.49%
MLS
12/17/2003
Sold
$3,084,900
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 550 Harbor

Year
Property Taxes
Change
Tax Assessment
Change
2025
$117,717
12%
$6,712,201
-8%
2024
$105,472
7%
$7,324,898
7%
2023
$98,891
29%
$6,855,273
50%
2021
$76,527
-6%
$4,584,525
-10%
2022
$81,707
7%
$5,108,657
1%
2021
$76,527
-1%
$5,058,879
8%
2019
$77,562
3%
$4,684,564
—
2018
$75,320
-24%
$4,701,328
-23%
2017
$99,231
-1%
$6,141,407
2%
2016
$100,427
6%
$6,006,008
10%
2015
$94,350
3%
$5,460,008
10%
2014
$91,660
18%
$4,963,644
10%
2013
$77,706
—
$4,512,404
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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*These costs are estimates, and the interest rates assume exceptional credit standing.

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NMLS#: 1598647

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Listed by Three Bridges Realty, LLC

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550 Harbor, Key Biscayne, FL 33149 (MLS# A11912105) is a Single Family property with 7 bedrooms, 7 full bathrooms and 1 partial bathroom. 550 Harbor is currently listed for $19,450,000 and was received on November 11, 2025. Want to learn more about 550 Harbor? Do you have questions about finding other Single Family real estate for sale in Key Biscayne? You can browse all Key Biscayne real estate or contact a Coldwell Banker agent to request more information.

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