Home in 425 Harbor Drive, Key Biscayne, FL 33149 for sale with MLS# A12034564

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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425 Harbor Drive, Key Biscayne, FL 33149

Price
Price:
$7,450,000.00
Original List Price:
$7,450,000.00
List Price per Sq Ft (Calculated, Approx.):
$1,631.98
Property Status and Type
Listing Type:
For Sale
Status:
Active
Listing Category:
Residential
Property Type:
Single Family House
Description of Last Important Update:
New Listing
Last Major Update on:
June 12, 2026 4:00 am
Other Special Conditions:
Sold As-is
Rooms Distribution
Bedrooms:
7
Bathrooms Total:
9
Full Bath:
7
Half Bath:
2
Room Type:
Other
Master Bedroom Bath:
Separate Shower, Dual Sinks, Master Bdrm - Ground
Dining Area:
Formal Dining, Kitchen Dining, Breakfast Area
Measures
Living Area:
4,565 Sqft
Built-Up Area:
6,092 Sqft
Lot Size Acres:
0.21
Property Features
View from the Property:
Other
Waterfront:
No
Private Pool
Swimming Pool Features:
Heated, In Ground
Spa
Security:
Smoke Detector(s)
Furnished:
Unfurnished
Accessibility:
Accessible Elevator Installed
Appliances:
Dryer, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Electric Range, Oven
Interior:
High Ceilings, Walk-In Closet(s), Closet Cabinetry, Kitchen Island, Built-in Features, Elevator, Storage
Exterior:
Balcony, Outdoor Shower, Built-in Barbecue
Patio and Porch:
Deck
Laundry:
In Garage
Air Conditioning
Air Conditioning System:
Central Air
Heating
Heating System:
Central, Electric
Fence:
Fenced
Property Entrance Faces:
West
Balcony Details:
Balcony - Open
Storm Protection Impact Glass:
Complete
Construction
Year Built:
2020
Roof:
Flat
Levels:
Three Or More
Entry Level (floor):
1
Construction Materials:
CBS
Flooring:
Wood
Number of stories:
3
Flood Zone Code:
AE
Taxes and Expenses
Tax Annual Amount:
$89,673.00
Tax Year:
2025
Property Tax Details:
City/County
Parking
Garage
Garage Spaces:
1
Carport Spaces:
2
Covered Spaces:
3
Parking Features:
Driveway, Covered, Attached Carport, Electric Vehicle Charging Station(s), Carport
Carport
Utilities
Sewer:
Public Sewer
Water Source:
Public
Community
Amenities Provided by the Homeowner's Association (HOA):
Other
Subdivision Name:
TROPICAL ISLE HOMES SUB 3
Senior Community:
No
Restrictions:
Other Restrictions
Terms
Listing Terms Considered by Seller:
Cash, Conventional
Buyer Possession:
Negotiable, Close Of Escrow
Zoning and Legal
Tax 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
Real Estate Folio Number (Parcel Number):
2442320050220
Zoning:
0100
Public Schools Assigned
Elementary School:
Royal Palm (miami-dade)
High School:
Coral Gables
Middle Or Junior School:
Ponce De Leon
Listing History
Active on the market since:
June 12, 2026
Listing Agreement executed on:
June 12, 2026
Listing Status Last Changed On:
June 12, 2026 4:00 am
Photos updated on:
June 26, 2026 4:40 pm
Last Modified:
June 26, 2026 4:40 pm
Additional Information
Courtesy of:
One Sotheby's International Realty
Attribution:
Not provided
Location
Street Name:
Harbor
Street Number:
425
City:
Key Biscayne
State:
Florida
Zip Code:
33149
County:
Miami-Dade
Latitude:
N25° 41' 36.3''
Longitude:
W81° 49' 40.7''
Street Suffix:
Drive
Property Map

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Neighborhood Stats

Source: U.S. Census Bureau, ACS 5-Year Estimates

Median Household Income $171,982
Median Home Value $1,231,500
Median Rent $3,501/mo
Median Age 43
Population 14,628

Air Quality

Source: AirNow.gov · Miami

🌬️ Air Quality Index (AQI) 45 Good
☀️ O3 35 Good
🫁 PM2.5 45 Good
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Ver la Propiedad Ver la propiedad 425 Harbor Drive, Key Biscayne, FL 33149
Association of REALTORS®
Disclaimer: IDX listing information is presented by Rebonus Brokerage LLC for consumer informational purposes only. The information provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed by the MLS or the real estate broker. This page presents structured listing information sourced directly from the MLS via the RESO Web API feed. Rebonus prioritizes maximum field coverage and data completeness, displaying the most granular MLS-provided attributes available.