425 Harbor Dr, Key Biscayne, FL 33149
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FOR SALE
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425 Harbor Dr
Key Biscayne, FL 33149

  • 7 Beds
  • 8 Baths
  • 4,565 sqft

$7,450,000

Est. Mortgage $49,917/mo*
Get Pre-Qualified

$7,450,000

Est. Mortgage $49,917/mo*
Get Pre-Qualified
7 Beds
8 Baths
4,565 sqft

Home Highlights

Parking
Garage
Outdoor
Deck, Pool
Price/Sqft
$1,632
Listed
71 days ago
Climate Control
Central, Electric & Central Air

Local Information

  • Map ViewExplore the area around 425 Harbor Dr.
  • Schools2 Preschool Schools1 Elementary School2 Middle Schools1 High School
  • Shop & Eat
-- mins to
Commute Destination

About this House

Discover this striking contemporary residence, perfectly positioned on an oversized 9,258 SF lot on Harbor Drive, one of Key Biscayne’s most elegant and prestigious streets. Built in 2020, this architectural masterpiece offers 6 bedrooms plus a private office, 7 full baths, and 2 powder rooms across 4,565 SF of beautifully designed living space. Filled with natural light, the home showcases expansive open living areas, impressive volume throughout, and a sleek custom kitchen featuring bespoke cabinetry and top-of-the-line finishes. An elevator provides seamless access to all three levels, culminating in a spectacular rooftop terrace with captivating island views and refreshing bay breezes…a unique advantage of being just moments from the water. Designed for effortless indoor-outdoor living, the exterior features a resort-style saltwater pool and spa, summer kitchen, cabana bath, and generous entertaining areas surrounded by lush tropical landscaping. Additional highlights include , EV charger, and ample driveway parking. Combining exceptional design, comfort, and functionality, this residence embodies the very best of island living in one of Key Biscayne’s most distinguished locations. Just minutes from Miami, Key Biscayne is a hidden island paradise where pristine beaches, world-class outdoor recreation, and a relaxed yet sophisticated lifestyle come together in a way that few places can match.
Last check for updates: about 4 hours ago
Listing courtesy of Mark Chatburn, (305) 393-6032
One Sotheby's International Realty
Brigitte Nachtigall, (305) 710-9664
One Sotheby's International Realty
Originating MLS: A-Miami Association of REALTORS
Source: MIAMI, MLS#A12034564
Also Listed on MIAMI.

Home Details for 425 Harbor Dr

Interior Features

Beds & Baths
Number of Bedrooms: 7Number of Bathrooms: 9Number of Bathrooms (full): 7Number of Bathrooms (half): 2
Dimensions and Layout
Living Area: 4565 Square Feet
Appliances & Utilities
Appliances: Dishwasher, Disposal, Dryer, Electric Range, Microwave, Refrigerator, Oven, WasherDishwasherDisposalDryerLaundry: In GarageMicrowaveRefrigeratorWasher
Heating & Cooling
Heating: Central,ElectricHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Central
Fireplace & Spa
Has a Spa
Windows, Doors, Floors & Walls
Window: Complete Impact Glass, High Impact WindowsDoor: High Impact DoorsFlooring: Wood
Levels, Entrance, & Accessibility
Levels: Three Or MoreEntry Location: First Floor EntryAccessibility: Accessible Elevator InstalledElevatorFloors: Wood
View
Has a ViewView: Other
Security
Security: Smoke Detector

Exterior Features

Exterior Home Features
Roof: Flat Roof With Facade FrontPatio / Porch: DeckFencing: FencedExterior: Built-in Barbecue, Balcony, Outdoor ShowerFoundation: RaisedHas a Private Pool
Parking & Garage
Number of Garage Spaces: 1Number of Carport Spaces: 2Number of Covered Spaces: 3Has a CarportHas a GarageHas Open ParkingParking Spaces: 3Parking: Attached Carport,Covered,Driveway,Electric Vehicle Charging Station(s),Other
Pool
Pool: In Ground, Heated, Pool OnlyPool
Frontage
Not on Waterfront
Water & Sewer
Sewer: Public Sewer
Farm & Range
Not Allowed to Raise Horses
Surface & Elevation
Elevation Units: Feet

Days on Market

Days on Market: 71

Property Information

Year Built
Year Built: 2020
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family ResidenceStructure Type: House, AttachedArchitecture: House,Attached
Building
Building Name: Tropical Isle Homes Sub 3Construction Materials: CBS Construction
Property Information
Parcel Number: 2442320050220

Price & Status

Price
List Price: $7,450,000Price Per Sqft: $1,632
Status Change & Dates
Possession Timing: Funding

Active Status

MLS Status: Active

Media

Location

Direction & Address
City: Key BiscayneCommunity: Tropical Isle Homes Sub 3
School Information
Elementary School: KeybiscayneJr High / Middle School: Ponce De LeonHigh School: Coral Gables

Agent Information

Listing Agent
Listing ID: A12034564

Building

Building Area
Building Area: 6092 Square Feet

Community

Community Features: Other Subdivision - See Remarks

HOA

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

Lot Information

Lot Area: 9258 sqft

Offer

Listing Terms: All Cash, Conventional

Miscellaneous

Mls Number: A12034564

Additional Information

Other Subdivision - See RemarksSource Internet Entire Listing Display

Around this home

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. "
    2
    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. "
    1
    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

Market trends in Key Biscayne

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$1.56M
$26.67KMoM
Sale-to-List Price
94.6%
Price per sq ft
$981
$37MoM
Available listings
144
15MoM

Home Value

Trulia Estimate
$6.98M
Since last month
Increased$56K (+0.8%)
Since last year
Decreased$169K (-2.4%)
Since last sale
Increased$182K (+2.7%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +187% in the last 10 years
MonthEstimated value
2026
August 2026$6.98M
July 2026$6.93M
June 2026$7.08M
May 2026$7.15M
April 2026$7.09M
March 2026$7.09M
February 2026$7.11M
January 2026$7.09M
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
261 Greenwood Dr, Key Biscayne, FL
0.21
Single-Family Home
$6,275,000
12/11/25
5
5.5
3,525
635 Curtiswood Dr, Key Biscayne, FL
0.27
Single-Family Home
$4,950,000
04/20/26
6
6
3,888
797 Ridgewood Rd, Key Biscayne, FL
0.56
Single-Family Home
$6,500,000
03/31/26
7
7.5
5,528
315 Palmwood Ln, Key Biscayne, FL
0.14
Single-Family Home
$4,400,000
04/08/26
5
5
3,230
220 Cypress Dr, Key Biscayne, FL
0.29
Single-Family Home
$4,600,000
10/10/25
5
5.5
4,089
285 W Enid Dr, Key Biscayne, FL
0.27
Single-Family Home
$4,200,000
03/27/26
6
5.5
3,436
285 Woodcrest Rd, Key Biscayne, FL
0.43
Single-Family Home
$6,700,000
04/22/26
6
5.5
3,520
320 Woodcrest Rd, Key Biscayne, FL
0.39
Single-Family Home
$5,220,000
10/01/25
6
6
3,737
201 Buttonwood Dr, Key Biscayne, FL
0.45
Single-Family Home
$5,265,000
12/03/25
5
6
3,791
200 W McIntyre St, Key Biscayne, FL
0.33
Single-Family Home
$3,700,000
01/27/26
5
5
3,962

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
460 Palmwood Ln, Key Biscayne, FL 33149
0.05
$6,236,500
5
6.5
4,649
Off Market
475 Harbor Dr, Key Biscayne, FL 33149
0.06
$5,579,600
6
6
4,393
Off Market
398 Harbor Dr, Key Biscayne, FL 33149
0.06
$19,662,400
3
3
1,806
Off Market
355 Redwood Ln, Key Biscayne, FL 33149
0.09
$2,800,000
3
2
1,403
Recently Sold
341 Palmwood Ln, Key Biscayne, FL 33149
0.10
$5,511,600
6
6.5
5,839
Off Market
361 W Heather Dr, Key Biscayne, FL 33149
0.08
$3,252,200
4
3
1,570
Off Market
330 Redwood Ln, Key Biscayne, FL 33149
0.11
$3,168,900
4
3
1,754
Off Market
545 Sabal Palm Dr, Key Biscayne, FL 33149
0.15
$7,950,000
5
4.5
4,166
For Sale
315 Palmwood Ln, Key Biscayne, FL 33149
0.14
$4,400,000
5
5
3,230
Recently Sold
Address Not Disclosed, Key Biscayne, FL 33149
0.13
$3,405,400
4
3.5
2,430
Off Market
301 Redwood Ln, Key Biscayne, FL 33149
0.16
$2,600,000
3
2
1,333
Recently Sold

Price and Tax history

DateEventPrice
Jun 12, 2026
Source: MIAMI #A12034564
Listed For Sale
$7,450,000
Apr 21, 2026
Source: MIAMI #A11873862
ListingRemoved
$7,750,000
Sep 7, 2025
Source: MIAMI #A11873862
Listed For Sale
$7,750,000
Aug 22, 2025
Source: MIAMI #A11752360
ListingRemoved
$7,899,000
Feb 28, 2025
Source: MIAMI #A11752360
Listed For Sale
$7,899,000

LGBTQ Local Legal Protections

Mark Chatburn, One Sotheby's International Realty
Agent Phone: (305) 393-6032
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.

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Frequently asked questions about 425 Harbor Dr

  • What is the estimated monthly payment for 425 Harbor Dr?
    Based on a $7,450,000 list price with 20% down at today's rates, the estimated monthly payment for 425 Harbor Dr in Key Biscayne, FL is approximately $50,289 (about $38,791 principal & interest, $11,423 property taxes, and $75 homeowner's insurance). This is an estimate. Actual payment depends on your loan terms.
  • How does the list price for 425 Harbor Dr compare to homes in Key Biscayne?
    425 Harbor Dr in Key Biscayne, FL is listed at $7,450,000, about 379% above the $1.56M 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 425 Harbor Dr?
    The closest schools to 425 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 425 Harbor Dr have air conditioning?
    Yes, 425 Harbor Dr in Key Biscayne, FL has air conditioning.
  • Does 425 Harbor Dr have a pool?
    Yes, 425 Harbor Dr in Key Biscayne, FL has a pool.
425 Harbor Dr, Key Biscayne, FL 33149 is a 7 bedroom, 9 bathroom, 4,565 sqft single-family home built in 2020. This property is currently available for sale and was listed by MIAMI on Jun 12, 2026. The MLS # for this home is MLS# A12034564.