685 Harbor Ln Key Biscayne FL 33149 MLS #A11997896

685 Harbor Ln
Key Biscayne, FL, 33149
$6,950,000
5 Beds
5.5 Baths
5,421 SqFt
0 Acres
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Set on one of the largest lots in Key Biscayne, a rare 12,200 sqft parcel, this colonial-style residence, known as Villa Rosa, was designed by renowned architect Cesar Molina and sits on a quiet, low-traffic street in a well-established, family-friendly neighborhood.

The generous lot allows for a spacious backyard with pool and abundant green space, ideal for outdoor living and entertaining. Double balconies and covered terraces create a seamless indoor-outdoor flow throughout the home.

This 5-bedroom residence offers bright interiors and a chefs kitchen with island, Sub-Zero refrigerator, wine cooler, double ovens, and two dishwashers. The primary suite includes a private terrace, oversized walk-in closet with safe, and dual baths with sauna. Also includes maids quarters and hurricane code construction.

Minutes from the beach, parks, and top schools – a rare opportunity to own a well-designed home with an exceptional lot on one of Key Biscayne’s most desirable streets.

Property Details

Price:
$6,950,000
MLS #:
A11997896
Status:
Active
Beds:
5
Baths:
5.5
Address:
685 Harbor Ln
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
BISCAYNE KEY ESTATES
Neighborhood:
biscaynekeyestates
City:
Key Biscayne
Listed Date:
Apr 16, 2026
State:
FL
Finished Sq Ft:
5,421
Total Sq Ft:
6,971
ZIP:
33149
Year Built:
2001
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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

Exterior

Architectural Style
Attached, Two Story
Community Features
Beach Club Member Available
Construction Materials
Elevated Construction, Piling Construction
Exterior Features
Lighting, Open Balcony
Parking Features
Driveway
Roof
Aluminum

Financial

Tax Year
2025
Taxes
$40,335

Map

Community

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685 Harbor Ln
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