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$7,750,000

  • For Sale
  • Active
  • Single Family
  • 7 Beds
  • 7 Full Baths
  • 2 Partial Baths
  • 4,565 Sq. Ft.
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Experience unparalleled elegance in this stunning contemporary estate, set on an oversized 9,258 sq. ft. lot in exclusive Key Biscayne. Built in 2020, with a brand-new roof in 2025, this 7-bedroom, 7-bathroom home, plus two powder rooms, blends sophistication with seamless indoor-outdoor living. An open floor plan, custom-built kitchen cabinetry, and abundant natural light create an inviting ambiance. The elevator connects all three levels, leading to a rooftop terrace with breathtaking views. Outdoors, enjoy a saltwater pool with spa, summer kitchen, cabana bath, and expansive front yard. The open garage with an EV charger and a spacious driveway provide convenience. This architectural masterpiece offers the finest in Key Biscayne luxury.

Full Property Details for 425 Harbor Dr

General

  • Price: $7,750,000
  • Taxes: $86,442 (2024)
  • Status: Active
  • Type: Single Family
  • Source: Greater_Miami
  • MLS ID: A11873862
  • Updated: 9/7/2025
  • Added to Site: 131 day(s) ago

Interior

  • Interior Features: First Floor Entry, Built-in Features, Closet Cabinetry, Cooking Island, Elevator, Walk-In Closet(s), Other, Storage, Utility Room/Laundry
  • Appliances: Dishwasher, Disposal, Dryer, Microwave, Electric Range, Refrigerator, Wall Oven, Washer
  • Flooring: Ceramic Floor, Wood

Rooms

Bathrooms

  • Total Bathrooms: 9
  • Full Bathrooms: 7
  • Half Bathrooms: 2

Bedrooms

  • Total Bedrooms: 7
  • Bedroom Features: At Least 1 Bedroom Ground Level

Other Rooms

  • Living Room: Other, Storage Room, Utilit Sq. Ft.
  • Dining Room: Breakfast Area, Formal Dining, Kitchen Dining
  • Laundry: Utility Room/Laundry

Additional Information

  • Pool: Yes
  • Pool Description: In Ground, Heated, 468sf
  • Spa: Yes
  • Equipment: Elevator

Exterior

  • Exterior Features: Built-In Grill, Open Balcony
  • Deck/Patio: Open Balcony, Patio

Parking

  • Garage: Yes
  • Attached garage: Yes
  • Garage Spaces: 2
  • Covered Spaces: 2
  • Parking Features: Covered, Driveway, Electric Vehicle Charging Station(s)

Location

  • Area: Tropical Isle Homes Sub 3
  • County: Miami-Dade County
  • Subdivision: TROPICAL ISLE HOMES SUB 3
  • Building Name: TROPICAL ISLE HOMES SUB 3
  • Driving Directions: Harbor Drive is one of the most prestigious roads in Key Biscayne. Once you reach the village take the first turn to the right and drive to reach the property.
  • Direction Faces: West

Community

  • Community Name: Tropical Isle Homes Sub 3
  • Pets Allowed: Yes

Heating & Cooling

  • Air Conditioning: Yes
  • Cooling Type: Central Air
  • Heating Type: Electric

Utilities

  • Sewer: Public Sewer
  • Water: Municipal Water

Structural Information

  • Architectural Style: Attached, Three Or More Stories, Modern/Contemporary
  • Structure Type: Pool Only, House
  • Detached/Attached: Detached
  • Construction: Concrete Block Construction, CBS Construction, Elevated Construction
  • Roof: Flat Roof With Facade Front
  • Windows: Complete Impact Glass, High Impact Windows
  • Building Size: 6092
  • Square Feet: 4,565
  • Living Area: 4,565 Sq. Ft.
  • Year Built: 2020

Lot Features

  • Property View: None
  • Lot Size (Sq. Ft.): 9,258
  • Lot Features: Less Than 1/4 Acre Lot
  • Zoning: 100
  • Fencing (Description): Fenced

Financial Considerations

  • Price Per Sq. Ft.: $1,697.7
  • Tax Amount: $86,442
  • Tax Year: 2024
  • Terms: All Cash, Conventional

Disclosures and Reports

  • Legal Description: 32 54 42 & 5-6 55 42 PB 50-83 TROPICAL ISLE HOMES SUB 3RD ADDN LOT 16 BLK 13 LOT SIZE 9258.00 SQ FT COC 22279-1992 05 2004 1
  • Restrictions: Ok To Lease
  • Inclusions: None
  • Property ID: 24-42-32-005-0220

Listed by AG Real Estate Advisors, LLC

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Listing agent

— 425 Harbor Dr —

  • AG Real Estate Advisors, LLC

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 425 Harbor Dr

School District:Dade County School District
NameGradesDistance
Key Biscayne K-8 Center
150 West McIntyre Street, Key Biscayne, FL 33149
PK-50.4 mi
Ponce De Leon Middle School
5801 Augusto Street, Coral Gables, FL 33146
6-86.4 mi
Coral Gables Senior High School
450 Bird Road, Coral Gables, FL 33146
9-126.3 mi
Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 425 Harbor Dr Get Price Alerts and Save Property

Date
Details
Price
Change
Source
9/07/2025
Listed
$7,750,000
13.97%
MLS
5/01/2023
Sold
$6,800,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 425 Harbor Dr

Year
Property Taxes
Change
Tax Assessment
Change
2024
$86,442
33%
$5,439,952
33%
2023
$65,050
19%
$4,076,397
25%
2021
$54,864
-6%
$3,268,223
-9%
2022
$58,299
6%
$3,600,561
216%
2021
$54,864
147%
$1,141,048
-15%
2019
$22,243
-8%
$1,342,410
-11%
2018
$24,113
-19%
$1,504,088
-19%
2017
$29,870
-2%
$1,847,848
—
2016
$30,575
13%
$1,849,061
21%
2015
$27,019
7%
$1,522,099
10%
2014
$25,187
13%
$1,383,727
10%
2013
$22,220
—
$1,257,934
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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NMLS#: 1598647

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Listed by AG Real Estate Advisors, LLC

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425 Harbor Dr, Key Biscayne, FL 33149 (MLS# A11873862) is a Single Family property with 7 bedrooms, 7 full bathrooms and 2 partial bathrooms. 425 Harbor Dr is currently listed for $7,750,000 and was received on September 07, 2025. Want to learn more about 425 Harbor Dr? Do you have questions about finding other Single Family real estate for sale in Key Biscayne? You can browse all Key Biscayne real estate or contact a Coldwell Banker agent to request more information.

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