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550 Harbor Dr, Key Biscayne, FL 33149
$19,450,000
· $2,994/sqft · Est. $119,102/mo
7 bd · 7.5 ba · 6,497 sqft · 0.53 acres (23,000 sqft) · 365 days on market · MLS# A12111835
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About 550 Harbor Dr, Key Biscayne, FL 33149
Listing details for 550 Harbor Dr, Key Biscayne, FL 33149: Enjoy Paradise Found 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 dolphins and manatees swim in your backyard. As the sun hits the horizon, the afterset lights up the sky illuminating the clouds in a breathtaking array of tropical colors. Text listing agent. 24hr notice This offering is a double lot sale of 550&570 Harbor
Bedrooms
7
Bathrooms
7.5
7 full · 1 halfSquare Feet
6,497
Year Built
2003
Lot
0.53 acres (23,000 sqft)
Garage
4 spaces
HOA
No
Taxes (2025)
$117,717
Property Details for 550 Harbor Dr, Key Biscayne, FL 33149
MLS# A12111835 · Source: MIAMI + RWorld · Updated Nov 12, 2026
Interior
Bedrooms & Bathrooms
- Bedrooms: 7
- Full Baths: 7
- Half Baths: 1
Heating & Cooling
- Heating: Central, Electric
- Cooling: Central Air, Electric
Appliances & Laundry
- Appliances Included: Dryer, Dishwasher, Disposal, Microwave, Refrigerator, Washer
Interior Features
- Interior Features: Bedroom on Main Level, Elevator
- Flooring: Marble
- Has Fireplace: No
Interior Area
- Total Interior Livable Area: 6,497 sqft
- Total Structure Area: 7,356 sqft
Property
Parking
- Has Garage
- Yes
- Garage Spaces
- 4
- Covered Spaces
- 4
- Parking Features
- Attached, Driveway, Garage, Golf Cart Garage, Paver Block, Garage Door Opener
Features
- Direction Faces
- East
- Patio & Porch
- Balcony, Open, Porch
- Exterior Features
- Balcony, Porch
- Has Private Pool
- Yes
- Pool Features
- In-Ground, Pool Equipment, Pool
- View Description
- Lagoon
- Waterfront
- Yes
- Waterfront Features
- Canal Access, Lagoon, No Fixed Bridges, Ocean Access
Lot
- Lot Size
- 0.53 acres (23,000 sqft)
- Lot Features
- Flood Zone
Details
- Parcel Number
- 24-52-05-007-0020
- Zoning
- 2000
- 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
Construction
Type & Style
- Home Type
- Single Family Residence
- Property Type
- Residential
- Architectural Style
- Mediterranean
Materials
- Construction Materials
- Block
- Roof
- Barrel
Condition
- Condition
- Resale
- New Construction
- No
- Year Built
- 2003
Utilities & Green Energy
- Water Source
- Public
- Sewer
- Public Sewer
Community & HOA
Community
- Subdivision
- Hurricane Cove
- Community Features
- Beach, Club Membership Available
- Pets Allowed
- Yes - No
- Restrictions
- OK to Lease
- 55+ Community
- No
Housing in Village Of Key Biscayne
- Median Value of All Homes (2023 Census)
- $1,246,268
- Median Rent
- $3,394/mo
- Owner-Occupied Homes
- 69%
- Homes Built
- Mostly 1970s
- Housing Units
- 4,994
HOA
- Membership Required
- No
Location
- Neighborhood
- Village Of Key Biscayne
Financial & Listing Details
- Price per Sq Ft
- $2,994/sq ft
- Annual Tax Amount
- $117,717
- Tax Year
- 2025
- Date on Market
- Oct 23, 2026
- Cumulative Days on Market
- 365 days
- Listing Terms
- Cash, Conventional
- Special Conditions
- Listed As Is
- Possession
- Closing and Funding
- Occupant Type
- Vacant
- MLS Number
- A12111835
- Listed By
- William Earle — Three Bridges Realty, LLC
Hurricane Cove
Hurricane Cove is a neighborhood in Key Biscayne. Census median home value is $1,246,268.
Location of 550 Harbor Dr, Key Biscayne, FL 33149
- Street Address
- 550 Harbor Dr
- City
- Key Biscayne
- ZIP Code
- 33149
- Neighborhood
- Hurricane Cove
- County
- Miami-Dade County
Estimated monthly
30-yr fixed
$119,102
/mo
$19,450,000 · 20% down · 7.16%
Principal & interest
$105,241
Property taxes
$9,810
Home insurance
$4,052
Home price
$19,450,000
Down payment
$3,890,000 · 20%
Interest rate
7.16%
Estimates only. Actual costs vary by lender, credit score, and market conditions.
Frequently Asked Questions About 550 Harbor Dr
How much is 550 Harbor Dr, Key Biscayne, FL 33149 listed for?
550 Harbor Dr, Key Biscayne, FL 33149 is currently listed at $19,450,000. That works out to approximately $2,994 per square foot.
How big is 550 Harbor Dr?
This property features 7 bedrooms, 7.5 bathrooms, 6,497 sq ft of living space.
What are the property taxes on 550 Harbor Dr, Key Biscayne, FL 33149?
The most recent tax bill for 550 Harbor Dr, Key Biscayne, FL 33149 is $117,717/yr (~$9,810/mo). Florida primary residents may qualify for a homestead exemption that reduces this amount.
Are there HOA fees at 550 Harbor Dr?
Based on current MLS data, no HOA fee is listed for this property. We recommend confirming with the seller's disclosure or your agent, as some communities charge fees not reflected in MLS.
Which schools are zoned for 550 Harbor Dr, Key Biscayne, FL 33149?
550 Harbor Dr, Key Biscayne, FL 33149 is located in Key Biscayne, FL 33149. School assignments are set by the county school board and can change. Verify with the county school district before enrolling.
How does the list price compare to Hurricane Cove home values?
At $19,450,000, this home is listed 1461% above the Hurricane Cove census median home value of $1,246,268. Actual sale price is set by negotiation.
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Listing Information & Disclaimer
Listed By: Three Bridges Realty, LLC · 305.345.2023
All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright ©2026 BeachesMLS, Inc.
Listing information is provided in part by the MIAMI + RWorld Internet Data Exchange program. IDX information is provided exclusively for consumers' personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by the MLS. Data last updated Nov 14, 2026 2:47 AM. Equal Housing Opportunity.
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