TROPICAL ISLE HOMES SUB 3

425 Harbor Dr, Key Biscayne FL 33149

7 beds · 7.5 baths · 4,565 ft²

For Sale · Active Listing

$7,450,000

Est. Payment $39,652/mo

MLS Sheet Video

7

Bedrooms

7.5

Bathrooms

4,565

Sq. Ft.

2020

Year Built

1

Garage

1

Days on Market

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.

Facts

MLS#
A12034564
Subdivision
TROPICAL ISLE HOMES SUB 3
Property Type
Residential
Property Sub Type
Single Family Residence
Year Built
2020
Lot Size
9,258 ft²
Sq. Ft.
4,565 ft²
Sq. Mt.
424 m²
Price per sq. ft.
$1,632/ft²
Price per sq. mt.
$17,571/m²
Stories
Garage
1 spaces
Pool
Days on Market
1 day
Listed
Jun 12, 2026
Last Updated
Jun 13, 2026
Price/Lot Sq.Ft.
$805/ft²

Market insights for Key Biscayne

Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.

Sellers market

June 2026

100/100
Buyers marketSellers market

46

Median days to sold

+4.5%

1-year price forecast (est.)

Price & tax history

From the live MIAMI MLS feed. Older history requires the ListingHistory resource (not yet enabled).

6/12/2026Listed for sale$7,450,000

History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).

Location

425 Harbor Dr, Key Biscayne FL 33149Directions

GreatSchools Summary Ratings

Public + private K-12 schools within 5 miles of this listing.

GreatSchoolsData provided by GreatSchools.org © 2026. All rights reserved.

Estimated Monthly Payment

$46,010/mo

Principal & Interest

$39,652

Property Tax

$6,208

Insurance

$150

HOA

$0

20% ($1,490,000)
7.00%
30 years
1.00% (FL avg ~1.0%)
$0/mo
$150/mo

Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.

Rangely Adames

Rangely Adames

Sales Associate | Sunland Group

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