Aquantis Realty

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Offered at

$20,450,000

550 Harbor Drive, Key Biscayne, FL 33149

7
Beds
7
Full Baths
1
Half Baths
6,497
Sq.Ft.
MLS A11912105

Listing courtesy of William D. Earle, Three Bridges Realty, LLC

Property Description

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 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

Overview

At a glance

Property Type
Residential
Property Sub-Type
Single Family Residence
Address
550 Harbor Drive, Key Biscayne, FL 33149
Zoning
2000
MLS ID
A11912105
Listing Date
2025-11-11
Last Updated
6/9/2026, 3:36:32 PM
Days on Market
211
Subdivision
HURRICANE COVE

Features & Amenities

The Details

Interior

Bedrooms
7
Full Bathrooms
7
Half Bathrooms
1
Flooring
Carpet, Marble
Appliances
Electric Water Heater, Dryer, Disposal, Dishwasher, Electric Range, Microwave, Refrigerator, Washer
Interior Features
Built-in Features, Elevator

Exterior

Exterior Features
Balcony
Patio & Porch
Porch - Open, Patio, Porch
Pool
Equipment Included
Parking
Driveway, Garage Door Opener, Paver Block, Garage, Attached Garage, Attached
Garage Spaces
4
Water Source
Public
Sewer
Public Sewer
Cooling
Central Air, Electric
Heating
Central, Electric
Security
Smoke Detector(s)

Details

Building Area
7,356 sq.ft.
Lot Size
22,975 sq.ft.
Lot Size (Acres)
0.53 acres
Subdivision
HURRICANE COVE
Stories
2
Year Built
2003
View
Lagoon
Waterfront
No Fixed Bridge, Ocean Access, Lagoon, Navigable Water, No Fixed Bridges
Direction Faces
Southeast
County
Miami-Dade
Zoning
2000

Financial

List Price
$20,450,000
Original List Price
$21,950,000
Annual Tax
$105,472/yr
Tax Year
2024

Location

Your agent

Stephanie Mordes

Stephanie Mordes

VP — Sales

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Information & Accuracy

All information provided on this page is deemed reliable but is not guaranteed. Square footage, lot size, room dimensions, year built, taxes, and HOA figures are sourced from the MLS, the seller, or public records, and Aquantis Realty makes no representation or warranty as to their accuracy. All measurements and material facts should be independently verified by the buyer.