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5 Beds
6 Baths
5,421 sqft

$25,000/month

685 Harbor, Key Biscayne FL, 33149

Price per sqft$4.61
Built in2001
Property size5,421 sqft
Property typeResidential
Courtesy of Marisela Gonzalez Servat with Avanti Way Realty LLC

Overview

Active

Listed Aug 3, 2026

Updated 4 weeks ago

Timeless colonial-style residence, also known as Villa Rosa, set on a rare 12,200 sqft lot in the heart of Key Biscayne. Designed by renowned architect Cesar Molina, this 5-bedroom home is located on a very quiet, low-traffic street, offering privacy within a well-established, family-friendly neighborhood. The home features double balconies, bright interiors, and a functional indoor-outdoor layout with expansive covered terraces. The kitchen includes an island, Sub-Zero refrigerator, wine cooler, double ovens, and two dishwashers. The primary suite offers a private terrace, oversized walk-in closet with safe, and dual bathrooms with sauna. The spacious backyard includes a pool and generous green space. Additional features include maid’s quarters and construction that meets hurricane code requirements. Ideally located near beaches, parks, and top-rated schools.

Additional information

MLS® ID
A12063110
Available since
August 1, 2026

Interior Features

Bedrooms
5
Bathrooms
6
Cooling
Yes
Heating
Yes
Basement
No

Exterior Features

Lot Size
0.21 Acres

Other Property Details

Garage
Yes
View
Yes
Pets Allowed
Yes
Pool
Yes
55+/Senior Community
No
MLS provider logo

Courtesy of Avanti Way Realty LLC, Marisela Gonzalez Servat,
Listing Contact: 786-663-2842 

Based on information from Martin County REALTORS of the Treasure Coast, Inc. (RAMC) as of 9/14/2026. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.

©2026 Martin County REALTORS of the Treasure Coast, Inc. All rights reserved.

Data last updated 1:18 PM UTC, 9/14/2026

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