550 Harbor Drive Key Biscayne, FL $ 20,450,000
550 Harbor Drive
$ 20,450,000
Recently Listed
Open House 6/14 10:30am - 12:30pm
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550 Harbor Drive

Key Biscayne, FL, 33149
$ 20,450,000
Bedrooms7 Baths7.1 Sq 6,497

Monthly Estimate*

$ 125,914

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Single Family Home for sale in Key Biscayne, FL

for $20,450,000 with 7 bedrooms and 7 full baths, 1 half bath. This 6,497 square foot home was built in 2003 on a lot size of 0.53.

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

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Open House

6/14/2026 10:30 AM - 12:30 PM
550 Harbor Drive Key Biscayne, FL
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

$ 20,450,000

Bedrooms

7

Full Bath

7

Half Bath

1

Property Type

Single Family

Taxes

$ 105,472

Style

Lot Size

0.53

Year Built

2003

Town/City

Key Biscayne

County/Region

Miami-Dade

MLS | Web ID

A11912105

Features
General
Sewer PublicSewer
Heating Central Electric
Cooling CentralAir Electric
Possession Negotiable
Roof Barrel
Appliances Dryer Dishwasher ElectricRange ElectricWaterHeater Disposal Microwave Refrigerator Washer
Garage Spaces 4
Patio/Porch Features Open Patio Porch Balcony
Pool Features PoolEquipment
Security Features SmokeDetectors
Year Built 2003
View Lagoon
Stories Count 2
Levels Two
Property Subtype SingleFamilyResidence
Tax Year 2024
Waterfront Features Lagoon NavigableWater NoFixedBridges OceanAccess
Community Features BoatFacilities
County Miami-Dade
New Construction false
Property Type Residential
Association Amenities BeachRights Boating TennisCourts
Attached Garage true
Subdivision Name HURRICANE COVE
Facing Direction Southeast
Garage Y/N true
Total Rooms 2
Full Baths 7
Status Active
High School Coral Gables
City Key Biscayne
Senior Community Y/N false
MLS Area 2520
Elementary School Key Biscayne K-8
Tax Annual Amount 105472
Middle/Junior High School Ponce De Leon
Property Condition Resale
Virtual Tour https://www.propertypanorama.com/instaview/mia/A11912105
Standard Status Active
Occupancy Type Owner
Property Sub Type Additional SingleFamilyResidence
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
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Interior
Interior Amenities BuiltInFeatures DiningArea SeparateFormalDiningRoom EatInKitchen Elevator LivingDiningRoom MainLevelPrimary UpperLevelPrimary
Flooring Carpet Marble
Total Stories 2
Air Conditioning Y/N true
Heating Y/N true
Half Baths 1
Total Bedrooms 7
Total Baths 8
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Exterior
Exterior Amenities Balcony OutdoorLivingArea
Parking Features Attached Driveway Garage GarageDoorOpener PaverBlock
Water Source Public
Lot Size Area 22975
Building Area Total 7356
Lot Size Acres 0.53
Frontage Length 127.00
Frontage Type Waterfront
Waterfront Y/N true
Covered Spaces 4
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* Excluded Features
List By
William D. Earle

Listing Agent

Affordability Calculator

$134,704
Per Month
93%
7%
0%
Monthly Principal & Interest
$125,914
Monthly Property Taxes
$8,789
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% 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.
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Nearby
0 Elementary School
4268812 Middle School
Coral Gables High School High School
Pricing History
DatePricePrice ChangeDescription
6/9/2026$20,450,000 Listed Price

Map


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550 Harbor Drive, Key Biscayne, FL, 33149 is a Single Family Home for sale at $20,450,000 with 6,497 sqft and a lot size of 0.53. 550 Harbor Drive has 7 bedrooms, 7.1 baths, and was built in 2003. The property's zip code is 33149 which is in Key Biscayne, FL