550 Harbor Dr

Key Biscayne, FL
$ 19,450,000 Beds 7 Baths 7.5 Sq 6,497 Virtual Tour
Monthly Estimate* How much can I afford?

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

Active Under Contract

  • Price
  • $ 19,450,000
  • City
  • Key Biscayne
  • Bedrooms
  • 7
  • Full Bathrooms
  • 7
  • County
  • Miami-Dade
  • Half Bathrooms
  • 1
  • Area
  • 52
  • Lot Size
  • Zip
  • 33149
  • Sqr Footage
  • 6,497
  • Year Built
  • 2003
  • Taxes
  • $ 105472
  • Style
  • MLS#
  • A11912105
Listed By: This listing is courtesy of Three Bridges Realty, LLC
Data Source: Southeast Florida MLS (SEFMLS)

Features

General

Sewer Public Sewer
Heating Central,Electric
Cooling Central Air,Electric
Possession Closing & Funding
Roof Barrel
Appliances Dryer,Dishwasher,Electric Range,Electric Water Heater,Disposal,Microwave,Refrigerator,Washer
Garage Spaces 4
Patio/Porch Features Balcony,Open,Patio,Porch
Architectural Style Two Story
Pool Features Pool Equipment,Pool
Security Features Smoke Detector(s)
Restrictions OK To Lease
Year Built 2003
View Lagoon
Stories Count 2
Levels Two
Property Subtype Single Family Residence
Tax Year 2024
Waterfront Features Lagoon,Navigable Water,No Fixed Bridges,Ocean Access
Community Features Beach,Boat Facilities,Club Membership Available,Pickleball,Tennis Court(s)
County Miami-Dade
Property Type Residential
Attached Garage true
Contingency Pending Inspections
Subdivision Name HURRICANE COVE
Facing Direction Southeast
Garage Y/N true
Full Baths 7
Special Listing Conditions Listed As-Is
Status Active Under Contract
High School Coral Gables
City Key Biscayne
Senior Community Y/N false
Zoning Description 2000
MLS Area 52
Lot Size Units Square Feet
Lot Size Square Feet 22975
Listing Terms Cash,Conventional
Elementary School Keybiscayne
Year Built Details Resale
Tax Annual Amount 105472
Middle/Junior High School Ponce De Leon
Lease Considered Y/N false
Standard Status Active Under Contract
Occupancy Type Owner
Property Sub Type Additional Single Family Residence
PostalCity Key Biscayne
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 1 COC 21909-0810 12

Interior Features

Interior Amenities Built-in Features,Bedroom on Main Level,Dining Area,Separate/Formal Dining Room,Eat-in Kitchen,Living/Dining Room,Upper Level Primary,Elevator
Flooring Carpet,Marble
Air Conditioning Y/N true
Heating Y/N true
Half Baths 1
Total Bedrooms 7
Total Baths 8

Exterior Features

Exterior Amenities Balcony,Porch,Patio
Parking Features Attached,Driveway,Garage,Paver Block,Garage Door Opener
Water Source Public
Lot Size Area 22975
Foundation Details Raised
Spa false
Building Area Total 7356
Frontage Length 127
Private Pool true
Waterfront Y/N true
Covered Spaces 4

Amenities

  • Foreclosure
  • Views
  • Short Sale
  • New Construction
  • Adult 55+
  • Lease To Own
  • No HOA Fees
  • Furnished
  • Primary On Main
  • Air Conditioning
  • Seller Finance
  • Green
  • Fixer Upper
  • Horse
  • Golf
  • Fireplace
  • Deck
  • Garage
  • Basement
  • Pool

Affordability Calculator

$3,786

Per Month

Based on the average sale price from the Miami Beach, FL office

  • Monthly Principal & interest $2,658
  • Monthly Property Taxes $1,062
  • Monthly Home Insurance $67
Adjust Payment Options
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Let's determine your purchasing power. Working with my mortgage partner, you'll have the information you need to shop for a home with confidence.

Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA, or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

Schools

Elementary School Keybiscayne Elementary School
Middle School Ponce De Leon Middle School
High School Coral Gables High School

Price History

11/12/2025 Listed $21,950,000
5/16/2026 7% - $20,450,000
6/24/2026 5% - $19,450,000

Property vs Zip Code Average in 33149

Price
AVG $9.24M
$19.45M
Taxes
AVG $76,969
$105,472
Year Built
AVG 1986
2003

Areas That We Cover

550 Harbor Dr Key Biscayne, FL is a Single Family Home for sale at $19450000 with 6497 sqft and a lot size of Acre(s). 550 Harbor Dr Key Biscayne has 7 bedrooms, 7 baths and was built in 2003. The property's zip code is 33149 which is in Key Biscayne, FL

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

All information deemed reliable, but not guaranteed, and should be independently verified. The real estate information and related content displayed on this site 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.