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.
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.
Property Details
Price:
$6,950,000
MLS #:
A11997896
Status:
Active
Beds:
5
Baths:
5.5
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
BISCAYNE KEY ESTATES
Neighborhood:
biscaynekeyestates
Listed Date:
Apr 16, 2026
Finished Sq Ft:
5,421
Total Sq Ft:
6,971
Year Built:
2001
See this Listing
Schools
Elementary School:
Keybiscayne
Middle School:
Ponce De Leon
High School:
Coral Gables
Interior
Appliances
Dishwasher, Disposal, Dryer, Electric Water Heater, Ice Maker, Gas Range, Refrigerator
Bathrooms
5 Full Bathrooms, 1 Half Bathroom
Cooling
Central Air
Flooring
Marble, Tile, Wood
Heating
Central
Interior Features
First Floor Entry, Bar, Closet Cabinetry, Cooking Island, Entrance Foyer, Walk-In Closet(s), Family Room, Great Room, Storage
Exterior
Architectural Style
Attached, Two Story
Attached Garage YN
1
Community Features
Beach Club Member Available
Construction Materials
Elevated Construction, Piling Construction
Covered Spaces
1
Direction Faces
Northwest
Exterior Features
Lighting, Open Balcony
Garage Spaces
1
Lot Features
1/4 To Less Than 1/2 Acre Lot
Open Parking YN
1
Parking Features
Driveway
Patio And Porch Features
Open Balcony, Open Porch, Patio
Roof
Aluminum
View
Other
Window Features
Hurricane Shutters, Impact Glass, Plantation Shutters
Financial
Tax Year
2025
Taxes
$40,335
Map
Community
- Address685 Harbor Ln Key Biscayne FL
- SubdivisionBISCAYNE KEY ESTATES
- CityKey Biscayne
- CountyMiami-Dade County
- Zip Code33149
Market Summary
Current real estate data for Single Family in Key Biscayne as of Apr 21, 2026
59
Single Family Listed
173
Avg DOM
2,138
Avg $ / SqFt
$8,928,508
Avg List Price
Property Summary
- Located in the BISCAYNE KEY ESTATES subdivision, 685 Harbor Ln Key Biscayne FL is a Single Family for sale in Key Biscayne, FL, 33149. It is listed for $6,950,000 and features 5 beds, 6 baths, and has approximately 5,421 square feet of living space, and was originally constructed in 2001. The current price per square foot is $1,282. The average price per square foot for Single Family listings in Key Biscayne is $2,138. The average listing price for Single Family in Key Biscayne is $8,928,508.
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