425 Harbor Dr Key Biscayne, FL $ 7,750,000
425 Harbor Dr
$ 7,750,000
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425 Harbor Dr

Key Biscayne, FL, 33149
$ 7,750,000
Bedrooms7 Baths7.2 Sq 4,565

Monthly Estimate*

$ 48,350

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Single Family Home for sale in Key Biscayne, FL

for $7,750,000 with 7 bedrooms and 7 full baths, 2 half baths. This 4,565 square foot home was built in 2020.

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.

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Single Family Active

Price

$ 7,750,000

Bedrooms

7

Full Bath

7

Half Bath

2

Property Type

Single Family

Taxes

$ 86,442

Style

Year Built

2020

Town/City

Key Biscayne

County/Region

Miami-Dade

MLS | Web ID

A11873862

Features
General
Sewer Public Sewer
Heating Electric
Cooling Central Air
Possession Closing & Funding
Roof Flat
Appliances Built-In Oven Dryer Dishwasher Electric Range Disposal Microwave Refrigerator Washer
Garage Spaces 2
Patio/Porch Features Balcony Open Patio
Architectural Style Contemporary/Modern
Pool Features Heated In Ground Pool
Restrictions OK To Lease
Construction Materials Block
Pets Allowed No Pet Restrictions Yes
Year Built 2020
View None
Levels Three Or More
Property Subtype Single Family Residence
Tax Year 2024
Community Features Other See Remarks
Accessibility Accessible Elevator Installed
County Miami-Dade
Property Type Residential
Attached Garage true
Subdivision Name TROPICAL ISLE HOMES SUB 3
Facing Direction West
Garage Y/N true
Total Rooms 0
Full Baths 7
Special Listing Conditions Listed As-Is
Status Active
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.
City Key Biscayne
Disclosures Flood Plain Disclosure Foreign Seller Seller Disclosure
Senior Community Y/N false
Zoning Description 0100
MLS Area 42
Lot Size Units Square Feet
Lot Size Square Feet 9258
Listing Terms Cash Conventional
Spa Features In Ground
Year Built Details Effective Year Built
Tax Annual Amount 86442
Lease Considered Y/N false
Virtual Tour https://www.zillow.com/view-imx/0d1dcf82-0228-49d1-9dee-79c13e7eea16?setAttribution=mls&wl=true&initialViewType=pano
Standard Status Active
Occupancy Type Vacant
Property Sub Type Additional Single Family Residence
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
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Interior
Interior Amenities Built-in Features Bedroom on Main Level Breakfast Area Closet Cabinetry Dining Area Separate/Formal Dining Room First Floor Entry Kitchen Island Kitchen/Dining Combo Walk-In Closet(s) Elevator
Flooring Ceramic Tile Hardwood Wood
Air Conditioning Y/N true
Heating Y/N true
Window Features Impact Glass
Half Baths 2
Total Bedrooms 7
Total Baths 9
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Exterior
Exterior Amenities Balcony Fence Outdoor Grill Patio
Parking Features Attached Covered Driveway Electric Vehicle Charging Station(s) Garage
Lot Features < 1/4 Acre
Water Source Public
Lot Size Area 9258
Foundation Details Raised
Spa true
Building Area Total 6092
Waterfront Y/N false
Covered Spaces 2
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* Excluded Features
List By
Ag Real Estate Advisors, Llc

Broker

fernando@munizfo.com

Email

Affordability Calculator

$55,553
Per Month
87%
13%
0%
Monthly Principal & Interest
$48,350
Monthly Property Taxes
$7,204
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4827338 Elementary School
4827337 Middle School
Unknown High School High School
Pricing History
Date Price Price Change Description
10/22/2025 $7,750,000 Listed Price

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425 Harbor Dr, Key Biscayne, FL, 33149 is a Single Family Home for sale at $7,750,000 with 4,565 sqft. 425 Harbor Dr has 7 bedrooms, 7.2 baths, and was built in 2020. The property's zip code is 33149 which is in Key Biscayne, FL