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$6,950,000
New Listing

685 Harbor Ln
Key Biscayne, FL 33149

For Sale|Single Family Residence|Active
5
Beds
6
Total Baths
6
Full Baths
5,421
SqFt
$1,282
/SqFt
2001
Built
Subdivision:
BISCAYNE KEY ESTATES
County:
Miami-Dade
Call Now: 305-390-2737
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305-390-2737
685 Harbor Ln685 Harbor Ln685 Harbor Ln685 Harbor Ln
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Monthly Payment (Est.)

$31,709
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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, this is a rare opportunity to own a well-designed home on one of Key Biscayne’s most desirable streets.

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Listing Snapshot
Price 
$6,950,000
Days On Site 
0 Days
Bedrooms 
5
Inside Area (SqFt) 
5,421 sqft
Total Baths 
6
Full Baths 
6
Partial Baths 
N/A
Lot Size 
0.2066 Acres
Year Built 
2001
MLS® Number 
A11997896
Status 
Active
Property Tax 
$40,335
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
8 hours agoListing first seen on site
12 hours agoListing updated with changes from the MLS®
General Features
Attached Garage 
Yes
Direction Faces 
Northwest
Foundation 
Pillar/Post/PierRaised
Garage 
Yes
Garage Spaces 
1
Levels 
Two
Number Of Stories 
2
Parking 
AttachedDrivewayGarage
Property Sub Type 
Single Family Residence
Sewer 
Public Sewer
SqFt Total 
6971
Style 
TwoStory
Water Source 
Public
Zoning 
0100
Interior Features
Appliances 
DryerDishwasherElectric Water HeaterDisposalGas RangeIce MakerRefrigerator
Cooling 
Central Air
Flooring 
HardwoodMarbleTileWood
Heating 
Central
Interior 
Entrance FoyerKitchen IslandBarWalk-In Closet(s)Master Downstairs
Window Features 
Plantation Shutters
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Exterior Features
Exterior 
BalconyLighting
Patio And Porch 
PatioPorch
Pool Features 
In Ground
Roof 
Aluminum
View 
Other
Waterview 
Other
Windows/Doors 
Plantation Shutters
Community Features
Financing Terms Available 
CashConventional
MLS Area 
52
Schools
School District
Unknown
Elementary School
Keybiscayne
Middle School
Ponce De Leon
High School
Coral Gables
Listing courtesy of Avanti Way Realty LLC

The data relating to real estate for sale on this web site comes in part from the Miami Association of Realtors, Realtor Association of Greater Ft. Lauderdale, and the South Broward Board of Realtors. Information is deemed reliable but not guaranteed. Copyright © 2026, Miami Association of Realtors, Realtor Association of Greater Ft. Lauderdale, and the South Broward Board of Realtors. All rights reserved. The information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The use of search facilities of data on the site, other than a consumer looking to purchase real estate, is prohibited.

Neighborhood & Commute
Source: Walkscore
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