Premier Brokers International
425 Harbor Drive, Key Biscayne, FL 33149
ActiveMLS listing sourceMIAMI REALTORS® MLS
ActiveMLS® A12034564
$7,450,000

425 Harbor Drive, Key Biscayne, FL 33149

Beds
7
Baths
9
Sqft
4,565
Est. payment$49,854/mo
Home type
Single Family Residence
Year built
2020
Lot size
9,148 sqft
Price / sqft
$1,632
HOA
$0/mo
Community
TROPICAL ISLE HOMES SUB 3

Property description

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.

Listing activity

Days on market
98
Listed
Jun 12, 2026
MLS listing updated
Sep 18, 2026
Feed last checked
3 minutes ago

Listed by Mark P Chatburn · One Sotheby's International Realty

Map

Map location is based on MLS-supplied coordinates. Verify the location before relying on it.

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms
7
Bathrooms
9
Bathrooms (decimal)
8
Full bathrooms
7
Half bathrooms
2

Rooms & features

Rooms
1
Interior features
Built-in Features, Closet Cabinetry, Elevator, High Ceilings, Kitchen Island, Storage, Walk-In Closet(s)
Flooring
Wood
Appliances
Dishwasher, Disposal, Dryer, Electric Range, Microwave, Oven, Refrigerator, Washer
Laundry
In Garage
Furnished
Unfurnished

Heating & cooling

Heating
Central, Electric
Cooling
Central Air
Property

Parking

Garage spaces
1
Garage
Yes
Carport spaces
2
Carport
Yes
Covered spaces
3
Parking features
Attached Carport, Carport, Covered, Driveway, Electric Vehicle Charging Station(s)
Attached garage
No

Exterior

Stories
3
Building area
6,092 sqft
Entry level
1
Patio & porch
Deck
Exterior features
Balcony, Built-in Barbecue, Outdoor Shower
Fencing
Fenced
Pool
Yes
Pool features
Heated, In Ground
View
Other
Waterfront property
No
Spa
Yes

Lot

Lot size
9,148 sqft
Lot size (acres)
0.21 acres
Zoning
0100
Construction

Type & style

Home type
Single Family Residence
Year built
2020

Materials

Construction
CBS
Roof
Flat
Levels
Three Or More
Faces
West
Utilities & green energy

Utilities

Sewer
Public Sewer
Water
Public
Community & HOA

Community

Subdivision
TROPICAL ISLE HOMES SUB 3
MLS area
2420
Security
Smoke Detector(s)
55+ community
No

Association

Has association
No
Estimated monthly dues
$0
Amenities
Other
Lease details

Not reported by the listing source.

Location

Area details

City
Key Biscayne
County
Miami-Dade
ZIP code
33149
Manufactured home details

Not reported by the listing source.

Financial & listing details

Listing

MLS number
A12034564
Possession
Close Of Escrow, Negotiable
Original list price
$7,450,000
Parcel number
2442320050220
Annual property tax
$89,673
Tax year
2025
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
Additional MLS details

Reported by the listing source

Association Amenities
Other
Association
No
Bathrooms Total Decimal
8
Bathrooms Total Integer
9
Building Area Total
6092
Construction Materials
CBS
County Or Parish
Miami-Dade
Days On Market
98
Direction Faces
West
Elementary School
Key Biscayne K-8
High School
Coral Gables
Laundry Features
In Garage
List Price
7450000
Listing Contract Date
2026-06-12
Living Area
4565
Lot Size Acres
0.21
Lot Size Area
9258
MLSArea Major
2420
Middle Or Junior School
Ponce De Leon
Mls Status
Active
On Market Date
2026-06-12
Patio And Porch Features
Deck
Photos Count
50
Postal Code
33149
Property Sub Type
Single Family Residence
Property Type
Residential
Rooms Total
1
Security Features
Smoke Detector(s)
Senior Community
No
Standard Status
Active
State Or Province
FL
Status Change Timestamp
2026-06-12T04:00:00Z
Stories Total
3
Subdivision Name
TROPICAL ISLE HOMES SUB 3
Water Source
Public
Tax Annual Amount
89673
Bathrooms Full
7
Pool Private
Yes
Bedrooms Total
7
Waterfront
No
Bathrooms Half
2

Market value

Automated estimate—No licensed valuation source connected
Estimated sales range—Ask Karim for a local market analysis
Estimated rent—No licensed rental valuation source connected

Price history

DateEventPrice
Jun 12, 2026ListedMIAMI REALTORS® MLS$7,450,000$1,632/sqft

Public tax history

YearProperty taxesAssessment
2025$89,673—

Payment calculator

Estimated monthly payment$49,854/moIllustrative estimate, not a loan offer.
Principal & interest
$38,656
Property taxes
$7,473
Insurance
$3,725
Association dues
$0

Live national rate context is displayed below through Mortgage News Daily’s official widget. The calculator rate remains a separate assumption until licensed machine-readable access is connected. This is not a loan offer.

Neighborhood

Area

TROPICAL ISLE HOMES SUB 3

Key Biscayne · Miami-Dade County · 33149

Climate risk

—

No licensed climate-risk source is connected.

Nearby schools

Key Biscayne K-8Elementary
—
Ponce De LeonMiddle
—
Coral GablesHigh
—
School names and districts are MLS-reported when available. Verify attendance boundaries with the school district. Ratings require a licensed ratings provider.

Nearby homes

12 homes

Similar homes

12 homes
MLS listing source

MIAMI REALTORS® MLS · Listing courtesy of One Sotheby's International Realty. All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright ©2026 BeachesMLS, Inc. IDX information is provided exclusively for consumers’ personal, non-commercial use and may be used only to identify prospective properties they may be interested in purchasing or leasing. Terms of use · Equal Housing Opportunity.