425 Harbor Dr Key Biscayne, FL $ 7,450,000
425 Harbor Dr
$ 7,450,000
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425 Harbor Dr

Key Biscayne, FL, 33149
$ 7,450,000
Bedrooms7 Baths7.2 Sq 4,565

Monthly Estimate*

$ 45,871

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Single Family Home for sale in Key Biscayne, FL

for $7,450,000 with 7 bedrooms and 7 full baths, 2 half baths. This 4,565 square foot home was built in 2020.

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.

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Single Family Active

Price

$ 7,450,000

Bedrooms

7

Full Bath

7

Half Bath

2

Property Type

Single Family

Taxes

$ 89,673

Style

Year Built

2020

Town/City

Key Biscayne

County/Region

Miami-Dade

MLS | Web ID

A12034564

Features
General
Sewer Public Sewer
Heating Central Electric
Cooling Central Air
Possession Closing & Funding Close Of Escrow
Roof Flat
Appliances Built-In Oven Dryer Dishwasher Electric Range Disposal Microwave Refrigerator Wine Cooler Washer
Garage Spaces 1
Patio/Porch Features Balcony Deck Open
Pool Features Heated In Ground Pool
Security Features Smoke Detector(s)
Restrictions Other Restrictions
Construction Materials Block
Year Built 2020
View Other
Levels Three Or More
Property Subtype Single Family Residence
Tax Year 2025
Community Features Other See Remarks
Accessibility Accessible Elevator Installed
County Miami-Dade
Property Type Residential
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
High School Coral Gables
City Key Biscayne
Senior Community Y/N false
Zoning Description 0100
MLS Area 42
Lot Size Units Square Feet
Lot Size Square Feet 9258
Carport Spaces 2
Carport Y/N true
Listing Terms Cash Conventional
Elementary School Keybiscayne
Year Built Details Effective Year Built
Tax Annual Amount 89673
Middle/Junior High School Ponce De Leon
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 Call Agent
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 Dual Sinks First Floor Entry High Ceilings Kitchen Island Kitchen/Dining Combo Shower Only Walk-In Closet(s) Elevator
Flooring Hardwood Wood
Furnished Y/N Unfurnished
Air Conditioning Y/N true
Heating Y/N true
Window Features Impact Glass
Half Baths 2
Laundry Features In Garage
Total Bedrooms 7
Total Baths 9
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Exterior
Exterior Amenities Balcony Deck Fence Security/High Impact Doors Outdoor Grill Outdoor Shower
Parking Features Attached Carport Covered Driveway Electric Vehicle Charging Station(s) Other
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 3
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* Excluded Features
List By
One Sotheby's International Realty

Broker

hello@chatburnliving.com

Email

Affordability Calculator

$53,344
Per Month
86%
14%
0%
Monthly Principal & Interest
$45,871
Monthly Property Taxes
$7,473
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% 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
3062566 Elementary School
4268812 Middle School
Coral Gables High School High School
Pricing History
Date Price Price Change Description
6/12/2026 $7,450,000 Listed Price

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425 Harbor Dr, Key Biscayne, FL, 33149 is a Single Family Home for sale at $7,450,000 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