550 Harbor Drive, Key Biscayne, FL 33149 (MLS# A11912105)

550 Harbor Drive, Key Biscayne, FL 33149

$20,450,000
Property Type: Residential Bedrooms: 7 Baths: 8 Square Footage: 7,356 Status: Active
Current Price: $20,450,000 List Date: 11/11/2025 Last Modified: 6/15/2026

Overview

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

Listing Details MLS# A11912105

General Property Information

Property Sub Type
Single Family Residence
Bedrooms Total
7
Bathrooms Total
8
Bathrooms Full
7
Bathrooms Half
Yes
Building Area Main
7356
Living Area Main
6497
Adjusted Area Main
6428
Year Built
2003
Garage YN
Yes
Attached Garage YN
Yes
Garage Spaces
4
Covered Spaces
4
Lot Size Area
22975
Lot Size Acres
0.53
Senior Community YN
No
Waterfront YN
Yes
Water Frontage Feet
127
Outdoor Living Spaces YN
Yes
Stories Total
2
Direction Faces
Southeast
Pool Private YN
Yes

Property Features

Dining Area: Dining/Living Room; Eat-In Kitchen; Formal Dining Flooring: Carpet; Marble Leasing Permitted Details: Okay To Lease Parking Features: Driveway; Garage Door Opener; Paver Block; Attached; Attached Garage; Garage Property Condition: Resale Appliances: Dishwasher; Disposal; Dryer; Electric Range; Microwave; Refrigerator; Washer Water Heater Details: Electric Water Heater Boat and Dock Features: No Wake Zone; Private Dock Cooling: Central Air; Electric Heating: Central; Electric Interior Features: Built-in Features; Elevator Levels: Two Listing Terms: Cash; Conventional Membership: Other Membership Available Pool Features: Equipment Included Possession: Negotiable Roof: Barrel Security Features: Smoke Detector(s) Sewer: Public Sewer Special Information: Sold As-Is Tax Information: Tax Reflects No Exemptions Water Access: No Fixed Bridge; Ocean Access Water Source: Public Water View: Lagoon Waterfront Features: Lagoon; Navigable Water; No Fixed Bridges Showing Requirements: 24 Hour Notice; Call Listing Agent Outdoor Living Spaces: Balcony; Patio; Porch Balcony Details: Balcony - Open Porch Details: Porch - Open Room Types: Maid/In-Law Quarters; Other Acreage Description: 1/2 To Less Than 1 Acre Lot

Contract Information

Comp Sale YN
No
Original List Price
21950000
Occupant Type
Owner

Location and Legal

Country
United States
County Or Parish
Miami-Dade
County Parish Name
Miami-Dade
Street Number
550
Street Name
Harbor
Street Suffix
Drive
City Name
Key Biscayne
Municipal Code
24
State Or Province
FL
Postal Code
33149
Postal Code +4
1741
Postal Zip
33149
Subdivision Name
HURRICANE COVE
Area
2520
Elementary School
Key Biscayne K-8
Middle Or Junior School
Ponce De Leon
High School
Coral Gables
Parcel Number
2452050070020
Subdivision Number
7
Zoning
2000
Flood Zone
AE

Financial Information

Membership Fee Required YN
No
Tax Annual Amount
105472
Tax Year
2024
Tax 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

Status Change Information

Major Change Timestamp
2026-05-16T19:02:21Z
Major Change Type
Price Reduced
Price Change Timestamp
2026-05-16T19:02:21Z
Status Change Date
2025-11-11

More Information

Leasing Permitted Details

Leasing Permitted YN
Yes
Okay To Lease
Yes

Boat and Dock Information

Dock
Yes

Pool Size Details

Pool Size (WxL)
25x10

Price Calculations

Current Price To SqFt
3147.6

Section Details

Parcel Number MLX
0020

Originating Details

Originating System Key
423047184
Originating System ID
M00000151

Office/Member Information

DXORIGMLSID
SEF

Amenities

Beach Club Available
Yes
Boating
Yes
Tennis Court(s)
Yes

Dining Area

Dining/Living Room
Yes
Eat-In Kitchen
Yes
Formal Dining
Yes

Flooring

Carpet
Yes
Marble
Yes

Parking Features

Driveway
Yes
Garage Door Opener
Yes
Paver Block
Yes
Attached
Yes
Attached Garage
Yes
Garage
Yes

Property Condition

Resale
Yes

Possession

Negotiable
Yes

Sewer

Public Sewer
Yes

Special Information

Sold As-Is
Yes

Heating

Central
Yes
Electric
Yes

Water Access

No Fixed Bridge
Yes
Ocean Access
Yes

Water View

Lagoon
Yes

Appliances

Dishwasher
Yes
Disposal
Yes
Dryer
Yes
Electric Range
Yes
Microwave
Yes
Refrigerator
Yes
Washer
Yes

Interior Features

Built-in Features
Yes
Elevator
Yes

Levels

Two
Yes

Listing Terms

Cash
Yes
Conventional
Yes

Pool Features

Equipment Included
Yes

Roof

Barrel
Yes

Security Features

Smoke Detector(s)
Yes

Water Source

Public
Yes

Waterfront Features

Lagoon
Yes
Navigable Water
Yes
No Fixed Bridges
Yes

Water Heater Details

Electric Water Heater
Yes

Boat and Dock Features

No Wake Zone
Yes
Private Dock
Yes

Cooling

Central Air
Yes
Electric
Yes

Showing Requirements

24 Hour Notice
Yes
Call Listing Agent
Yes

Master Bedroom/Bath

Master Bdrm - Ground
Yes
Master Bdrm - Upstairs
Yes

Membership

Other Membership Available
Yes

Tax Information

Tax Reflects No Exemptions
Yes

Outdoor Living Spaces

Balcony
Yes
Patio
Yes
Porch
Yes

Balcony Details

Balcony - Open
Yes

Porch Details

Porch - Open
Yes

Room Types

Maid/In-Law Quarters
Yes
Other
Yes

Acreage Description

1/2 To Less Than 1 Acre Lot
Yes

Room Information

Room Name
Maid/In-Law Quarters
Other
Listing Office: Three Bridges Realty, LLC
Last Updated: June - 15 - 2026
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