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Beaches Multiple Listing ServiceNational Association of RealtorsEqual Housing Opportunity

Listing data: BeachesMLS. Information not verified for authenticity or accuracy and not guaranteed; may not reflect all real estate activity in the market. © 2026 Beaches Multiple Listing Service, Inc. All rights reserved. Information Not Guaranteed and Must Be Confirmed by End User.

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  1. Home›
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  3. Key Biscayne›
  4. 425 Harbor Drive, Key Biscayne, FL 33149

Key Biscayne · FL

425 Harbor Drive, Key Biscayne, FL 33149

Key Biscayne, FL 33149

Status: ActiveHouse · Single Family Residence4,565 sqftBuilt in: 2020DOM: 97Garage: 1

Price

$7,450,000

Price per sqft: $1,632/sqft

7

Bedrooms

9

Baths

4,565

SqFt

Active
425 Harbor Drive, Key Biscayne, FL 33149

MLS® ID: A12034564

About this home in Key Biscayne

A rare offering, this premium 7-bed / 9-bath Single Family Residence moments from the center of Key Biscayne, delivering 4,565 sq ft of thoughtfully planned interior. The interior showcases Built-in Features, Elevator, High Ceilings, Kitchen Island, Walk-In Closet(s), and Closet Cabinetry. Floors are finished in Wood. The home is served by Central Air cooling and Central and Electric heating. The home features CBS construction with a West-facing exposure under a Flat roof. Part of Tropical Isle Homes Sub 3. Security is covered by Smoke Detector(s). The home sits on a 0.21-acre lot, with total building area of 6,092 sq ft. A private pool offers Heated and In Ground. A spa completes the outdoor area. Exterior features: Built-in Barbecue, Outdoor Shower, and Balcony. Currently active on the market; 129 days on market. The current owner's annual property tax bill is approximately $89,673. Offered at $7,450,000 (~$1,632/sqft). Financing options include Cash and Conventional. No HOA fees apply.

7

Bedrooms

9

Baths

4,565

SqFt

House

Type

Explore more

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Listing courtesy of One Sotheby's International Realty. Information is deemed reliable but not guaranteed. © BeachesMLS.

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▼8.3% below market
-8.3%

This listing: $1632/sqft · Area median: $1780/sqft

Based on 6 recent sales in ZIP 33149 (last 90 days)

Est. payment

$47,938/mo

Principal & interest
$37,671
Property taxes
$7,473
Home insurance
$2,794
HOA fees
N/A

Utilities not included

Calculations are estimates only and not a loan commitment. Taxes, insurance, rates and APR may vary. Final approval depends on lender review.

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