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

550 Harbor Drive, Key Biscayne, FL 33149

$19,450,000

Virtual Tour

https://www.propertypanorama.com/instaview/mia/A11912105

Property Type: Residential Bedrooms: 7 Baths: 8 Square Footage: 7,356 Status: Active Under Contract

Current Price: $19,450,000 List Date: 11/11/2025 Last Modified: 8/17/2026

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 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

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 Contingencies: Inspection 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: 2026-08-17T14:24:08Z
Major Change Type: Status Change
Price Change Timestamp: 2026-06-24T21:42:43Z
Status Change Date: 2026-08-17
Under Contract Type: Active Under Contract
Under Contract Date: 2026-08-14

More Information

Leasing Permitted Details

Leasing Permitted YN: Yes

Boat and Dock Information

Dock: Yes

Pool Size Details

Pool Size (WxL): 25x10

Price Calculations

Current Price To SqFt: 2993.68

Section Details

Parcel Number MLX: 0020

Originating Details

Originating System Key: 423047184
Originating System ID: M00000151

Room Information

Room Name
Maid/In-Law Quarters
Other

Listing Office: Three Bridges Realty, LLC

Last Updated: August - 17 - 2026

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