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425 Harbor Dr, Key Biscayne, FL

Offering:
For Sale
Location:
Key Biscayne, FL 33149
Subdivision:
TROPICAL ISLE HOMES SUB 3
Status:
Active
Number of Bedrooms
7
Number of Bathrooms
9
Living Area sq ft
4,565 sq ft
$7,450,000
Details
Year built:
2020
Lot size:
9,258 sq ft
Levels:
Three Or More
Garage:
1
Parking:
3 covered
Faces:
West
Days on market:
14
Cumulative days on market:
421
Annual tax (2025):
$89,673
Type:
Single-family home
MLS ID
A12034564
Virtual tour:
Listed by:
One Sotheby's International Realty (OSIR04)
Listing agent:
Mark Chatburn (3488011)

Features

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 Closets
Elevator
Built In Oven
Dryer
Dishwasher
Electric Range
Disposal
Microwave
Refrigerator
Wine Cooler
Washer
Impact Glass
Balcony
Deck
Open
Block
Flat
Less Than Quarter Acre
Other
Storage Room
Schools
Elementary:
Keybiscayne
Middle / junior:
Ponce De Leon
High:
Coral Gables

School assignments come from the MLS feed and can change. Verify with the district before relying on them.

Utilities
Water source:
Public
Sewer:
Public Sewer

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.
Price history
$7,450,000 → $7,450,000 · 1 price changes

Location

425 Harbor Dr
Key Biscayne, FL 33149
MLS information

Last updated Jun 26, 2026

Deemed reliable but not guaranteed.

IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.