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550 Harbor Dr, Key Biscayne FL 33149

House For Sale
$20,450,000

BTC: 319.53125000

ETH: 11,712.48568156

-$2M (2026/05/16)
204 days
Waterfront
7 bds
7 ba
6,497 sqft

Overview

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

Location

Details

Type:
Residential
Parking:
Additional Spaces Available / Driveway / Paver Block
Year Built:
2003
Lot:
22975 Square Feet
Heating:
Central / Electric
Price/sqft:
$3,148
Cooling:
Central Air / Electric
HOA:
No Data

Valuation

Recent sales nearby
30 public-records sales within 0.5 mi
Median actual sale: $3.7M
Not enough MLS comparables for a model estimate on this property. Public-records data shown instead.

Highlights

Annual tax
$105,472
2024
Pool
Equipment Stays
View
Lagoon
Waterfront
Ocean Access, Lagoon
Garage
4 car garage
All facts and features
  • Flooring

    • Carpet

    • Marble

    Heating

    • Central

    • Electric

    Cooling

    • Central Air

    • Electric

    Appliances

    • Dishwasher

    • Disposal

    • Dryer

    • Electric Water Heater

    • Microwave

    • Electric Range

    • Refrigerator

    • Washer

    Other interior features

    • Built-in Features

    • Elevator

    • Maid/In-Law Quarters

    • Other

    Bedrooms and bathrooms

    • Bedrooms: 7

    • Bathrooms: 1

    • Full bathrooms: 7

  • Parking

    • Additional Spaces Available

    • Driveway

    • Paver Block

    Property

    • Exterior Features: Open Balcony

    Lot

    • Lot: 22975 Square Feet

    Other Property Information

    • Parcel Number: 24-52-05-007-0020

    • Zoning: 2000

  • Type and style

    • Property Type: Residential

    • Property Sub Type: Single Family Residence

  • Other financial information

    • Annual tax amount: $105,472

  • Source details

    • MLS ID: A11912105

    Other facts

    • Construction Materials: Elevated Construction

    • Lot Features: 1/2 To Less Than 3/4 Acre Lot

    • Patio And Porch Features: Open Balcony / Open Porch / Patio

    • Pool Features: Equipment Stays

    • Direction Faces: Southeast

    • Architectural Style: Attached / Two Story

    • Waterfront: Yes

    • Garage Spaces: 4

    • Attached Garage: Yes

    • Garage: Yes

    • Living Area: 6497

    • Water Source: Municipal Water

    • Subdivision Name: HURRICANE COVE

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The multiple listing information is provided by the Miami Association of REALTORS® from a copyrighted compilation of listings. The compilation of listings and each individual listing are ©2026-present Miami Association of REALTORS®. All Rights Reserved. The information provided is for consumers' personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Listing courtesy of: Three Bridges Realty, LLC