550 Harbor Dr, Key Biscayne, FL 33149
Property image
Property image
FOR SALE
OPEN SUN, 11-1PM
3D VIEW
0.53 ACRES

550 Harbor Dr
Key Biscayne, FL 33149

  • 7 Beds
  • 7.5 Baths
  • 6,497 sqft (on 0.53 acres)

$19,450,000

Original price: $20,450,000
Est. Mortgage $128,248/mo*
Get Pre-Qualified

$19,450,000

Original price: $20,450,000
Est. Mortgage $128,248/mo*
Get Pre-Qualified
7 Beds
7.5 Baths
6,497 sqft
(on 0.53 acres)

Home Highlights

Parking
4 Car Garage
Outdoor
Porch, Patio, Pool
Climate Control
Heating & Cooling
Price/Sqft
$2,994
Listed
180+ days ago

Local Information

  • Map ViewExplore the area around 550 Harbor Dr.
  • Schools2 Preschool Schools1 Elementary School2 Middle Schools1 High School
  • Shop & Eat
-- mins to
Commute Destination

About this House

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

Open House

Sunday, August 09
11:00 AM to 1:00 PM

Home Details for 550 Harbor Dr

Interior Features

Beds & Baths
Number of Bedrooms: 7Number of Bathrooms: 8Number of Bathrooms (full): 7Number of Bathrooms (half): 1
Dimensions and Layout
Living Area: 6497 Square Feet
Appliances & Utilities
Appliances: Dishwasher, Disposal, Dryer, Electric Water Heater, Microwave, Electric Range, Refrigerator, WasherDishwasherDisposalDryerMicrowaveRefrigeratorWasher
Heating & Cooling
Heating: Central,ElectricHas CoolingAir Conditioning: Central Air,ElectricHas HeatingHeating Fuel: Central
Fireplace & Spa
No Spa
Windows, Doors, Floors & Walls
Flooring: Carpet, Marble
Levels, Entrance, & Accessibility
Stories: 2ElevatorFloors: Carpet, Marble
View
Has a ViewView: Lagoon
Security
Security: Smoke Detector

Exterior Features

Exterior Home Features
Roof: Barrel RoofPatio / Porch: Open Porch, PatioExterior: BalconyFoundation: RaisedHas a Private Pool
Parking & Garage
Number of Garage Spaces: 4Number of Covered Spaces: 4Has a GarageHas an Attached GarageHas Open ParkingParking Spaces: 4Parking: Additional Spaces Available,Driveway,Paver Block,Garage Door Opener
Pool
Pool: Equipment StaysPool
Frontage
WaterfrontWaterfront: Ocean Access, Lagoon, Navigable Water, No Fixed Bridges, WF/Pool/Ocean AccessOn Waterfront
Water & Sewer
Sewer: Public Sewer
Farm & Range
Frontage Length: 127Not Allowed to Raise Horses
Surface & Elevation
Elevation Units: Feet

Days on Market

Days on Market: 180+

Property Information

Year Built
Year Built: 2003
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family ResidenceStructure Type: House, AttachedArchitecture: House,Attached
Building
Building Name: Hurricane Cove
Property Information
Parcel Number: 2452050070020

Price & Status

Price
List Price: $19,450,000Price Per Sqft: $2,994
Status Change & Dates
Possession Timing: Funding

Active Status

MLS Status: Active

Media

Location

Direction & Address
City: Key BiscayneCommunity: Hurricane Cove
School Information
Elementary School: KeybiscayneJr High / Middle School: Ponce De LeonHigh School: Coral Gables

Agent Information

Listing Agent
Listing ID: A11912105

Building

Building Area
Building Area: 7356 Square Feet

Community

Community Features: Beach Club Member Available, Boating, Tennis Court(s), Pickleball

HOA

Association for this Listing: A-Miami Association of REALTORSNo HOA

Lot Information

Lot Area: 0.53 acres

Offer

Listing Terms: All Cash, Conventional

Miscellaneous

Mls Number: A11912105Water ViewWater View: Lagoon

Additional Information

Beach Club Member AvailableBoatingTennis Court(s)PickleballSource Internet Entire Listing Display
Last check for updates: about 3 hours ago
Listing courtesy of William Earle, (305) 345-2023
Three Bridges Realty, LLC
Originating MLS: A-Miami Association of REALTORS
Source: MIAMI, MLS#A11912105
Also Listed on MIAMI.

Market trends in Key Biscayne

Last updated June 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$1.58M
$113KMoM
Sale-to-List Price
—
Price per sq ft
$945
$37MoM
Available listings
159
9MoM

Price History for 550 Harbor Dr

DatePriceEventSource
06/24/2026$19,450,000PriceChange
MIAMI #A11912105
05/16/2026$20,450,000PriceChange
MIAMI #A11912105
11/11/2025$21,950,000Listed For SaleMIAMI #A11912105
11/30/2007$10,400,000ListingRemovedAgent Provided
11/14/2007$10,400,000Listed For SaleAgent Provided
04/07/2000$2,275,000Sold
N/A
03/20/1998$995,000Sold
N/A

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Property Tax and Assessment

Year2025
Tax$117,717
Assessment$8,433,019
Home facts updated by county records

Comparable Sales for 550 Harbor Dr

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
635 Curtiswood Dr, Key Biscayne, FL
0.13
Single-Family Home
$4,950,000
04/20/26
6
6
3,888
285 W Enid Dr, Key Biscayne, FL
0.21
Single-Family Home
$4,200,000
03/27/26
6
5.5
3,436
230 Harbor Dr, Key Biscayne, FL
0.47
Single-Family Home
$17,500,000
07/08/26
7
7.5
6,240
561 Hampton Ln, Key Biscayne, FL
0.30
Single-Family Home
$4,820,000
08/15/25
6
6.5
4,165
797 Ridgewood Rd, Key Biscayne, FL
0.46
Single-Family Home
$6,500,000
03/31/26
7
7.5
5,528
200 W McIntyre St, Key Biscayne, FL
0.31
Single-Family Home
$3,700,000
01/27/26
5
5
3,962
315 Palmwood Ln, Key Biscayne, FL
0.22
Single-Family Home
$4,400,000
04/08/26
5
5
3,230
670 Allendale Rd, Key Biscayne, FL
0.22
Single-Family Home
$3,475,000
01/27/26
5
4.5
2,320
5 Harbor Point, Key Biscayne, FL
0.16
Single-Family Home
$23,500,000
07/06/26
3
5
10,926

Nearby homes

Get a sense of prices in the area by checking nearby homes.
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Assigned Schools

These are the assigned schools for 550 Harbor Dr.
View nearby schools on GreatSchools
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

What Locals Say about Key Biscayne

At least 116 Trulia users voted on each feature.

  • 94 % Say it's walkable to grocery stores

  • 94 % Say kids play outside

  • 90 % Say it's dog friendly

  • 90 % Say it's walkable to restaurants

  • 86 % Say people would walk alone at night

  • 86 % Say there are sidewalks

  • 79 % Say it's quiet

  • 79 % Say there's holiday spirit

  • 76 % Say they plan to stay for at least 5 years

  • 68 % Say parking is easy

  • 67 % Say streets are well-lit

  • 60 % Say there are community events

  • 58 % Say neighbors are friendly

  • 54 % Say yards are well-kept

  • 52 % Say there's wildlife

  • 50 % Say car is needed

Sourced by Trulia users. Learn more about our methodology.
  • Othoniel Marlieri
    "Key Biscayne os a perfect place to leave, but need more attention about basic things like a Super Market and safe environment. "
    0
    Flag
  • Mariafedc
    "There are lots of places that are dog friendly. There’s a dog park. Many dog owners live in the area. "
    0
    Flag
  • Lladom
    "Very safe and friendly community. Excellent for growing up kids. Traffic is the downside. Best town in South Florida by large."
    0
    Flag
  • Ericazc
    "Christmas, 4th of July, and many other beautiful family events happens in the island. Great place for the kids. "
    1
    Flag
  • Deborah B.
    "Have been spending winters here for 53 years. Love the family focus, beautiful beaches and public amenities. Thoughtful services like free Freebee pick ups and transportation to shopping make the Key accessible for teens to seniors. "
    0
    Flag
  • Mati P.
    "Its beautiful, peaceful and safe. I feel great living here. It’s lush, people are friendly, and respectful. It’s a great place to raise a family. The community is very pretty, Gardenia are manicured. There’s beautiful beaches and gorgeous homes. The school is pretty good as well. "
    1
    Flag
  • Ayishamartins
    "Some places do not allow dogs but there is a dog park weather like a bunch of dogs and mostly it’s pretty nice"
    1
    Flag
  • Mati P.
    "This is a safe neighborhood, kids walk by themselves all the time. It makes me feel safe to life here. "
    0
    Flag
  • Luis D.
    "Halloween’s decoration and fully of events in that day. Many sports in Village green. The community center has many events for all the family "
    0
    Flag
  • Adrian.grottola
    "Very friendly for pets (dogs) with great special spaces for them and many dog walkers in the island."
    0
    Flag
  • Mathew P.
    "The unity and the sense of community. The safety and sense of family oriented households that attribute to a beautiful place to live. "
    0
    Flag
  • Ivan M.
    "Save and quite perfect place for a family. There are as a public transportation electric’s cars around the island. "
    1
    Flag
  • Mayra
    "Great neighborhood! They celebrate Halloween, Christmas, Easter and much more! A lot of activities and sports for kids"
    0
    Flag
  • Efrao
    "Great place to live and I don’t commute everything is close by and i walk to work. Public transportation is great "
    0
    Flag
  • Kikisammataro
    "Halloween is a big event. Saturday has a farmers market. Kids are safe. Many schools and parks. Including dog park. "
    0
    Flag
  • Mayra
    "This is a very safe family neighborhood. Kids run freely and there’s a lot of activities for them. The school is great but the classrooms have more students than it should."
    0
    Flag
  • Ljsklein
    "My building is dog friendly. It seems like most of the people have dogs and love to walk them. We all clean up after our dogs. There’s poop bags in containers around the building with a place to dispose of them. There is also a dog park on the Key. "
    0
    Flag
  • Maria
    "I don’t have dogs. There’s a very nice dog park right next to the green field. Dogs are not allowed in the field, that is why they have their dog park, but the many owners don’t follow the rules which is very annoying. Most of all when you get the smell when exercising...."
    0
    Flag
  • Fabio
    "Great Place to leave. Good people, privacy, no crime. Walkable area, beach access, wide kind of services. Thanks "
    0
    Flag
  • Dani.montenegro
    "I can’t give my opinion because I don’t have dogs, cat or any other pet. And there are many dog owners in KB but most of them are not very respectful with people who don’t. "
    0
    Flag
  • Dcas
    "Great area for kids and young families. Very safe neighborhood and extremely easy to walk or ride a bike anywhere "
    0
    Flag
  • Kiragrossman
    "They would absolutely love the dog park. There are two sides for bigger dogs and smaller dogs. Everyone is very friendly "
    0
    Flag
  • Kiragrossman
    "This is a Great place to live. The neighborhoods are safe and it’s a great location. Great for children. Good restaurants shops"
    0
    Flag
  • Sandra S.
    "I love this neighborhood, I have everything I need is quiet and safe, walk to most places and has two state parks"
    1
    Flag
  • Kimbokak
    "Friendly, kind neighbors, close to everything, and safe. You can do pretty much everything on the island, but it is more expensive."
    1
    Flag
  • Garandrew
    "I am visiting for vacations and love this place. Nice neighborhood and friendly people. Very likely I will recommend it to my friends and family. "
    0
    Flag
  • Thengea
    "If you don't have to commute out of the island it's wonderful. Otherwise, every event causes so much traffic. Living on an island is a blessing but the peoole really don't say hello or even make eye contact at the stores or parks :/"
    0
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 550 Harbor Dr

  • What is the estimated monthly payment for 550 Harbor Dr?
    Based on a $19,450,000 list price with 20% down at today's rates, the estimated monthly payment for 550 Harbor Dr in Key Biscayne, FL is approximately $130,634 (about $100,736 principal & interest, $29,823 property taxes, and $75 homeowner's insurance). This is an estimate. Actual payment depends on your loan terms.
  • How does the list price for 550 Harbor Dr compare to homes in Key Biscayne?
    550 Harbor Dr in Key Biscayne, FL is listed at $19,450,000, about 1128% above the $1.58M median sale price in Key Biscayne.
  • What do residents say about Key Biscayne?
    Residents describe Key Biscayne, FL as walkable to grocery stores, dog-friendly, and walkable to restaurants. See homes for sale in Key Biscayne, FL.
  • What are the closest schools to 550 Harbor Dr?
    The closest schools to 550 Harbor Dr in Key Biscayne, FL are Coral Gables Senior High School (Pre-K, rated 5/10), Key Biscayne K-8 Center (Pre-K/Elementary/Middle, rated 8/10), Ponce De Leon Middle School (rated 6/10).
  • Does 550 Harbor Dr have air conditioning?
    Yes, 550 Harbor Dr in Key Biscayne, FL has air conditioning.
  • Does 550 Harbor Dr have a pool?
    Yes, 550 Harbor Dr in Key Biscayne, FL has a pool.
William Earle, Three Bridges Realty, LLC
Agent Phone: (305) 345-2023
IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.
550 Harbor Dr, Key Biscayne, FL 33149 is a 7 bedroom, 8 bathroom, 6,497 sqft single-family home built in 2003. This property is currently available for sale and was listed by MIAMI on Nov 11, 2025. The MLS # for this home is MLS# A11912105.