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Home » Real Estate » FL » Key Biscayne » 33149 » 685 Harbor Ln, Key Biscayne, FL, 33149
$6,950,000

685 Harbor Ln, Key Biscayne, FL, 33149

5 Beds
6 Baths
5,421 Square Feet
Marisela Gonzalez Servat
Alejandra Stalder
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.
Offered By
Marisela Gonzalez Servat, Avanti Way Realty LLC

Property Details

Property Type Residential Sale
Status Active
Bedrooms 5
Bathrooms (Full) 5
Property Sub Type Single Family Residence
Square Feet 5,421
MLS # A11997896
Bathrooms (Half) 1

Market Trends

New Properties On Market
83
36% Increase In New Listings
Average Asking Price
$4,389,345
$2,538,332 Increase In Avg Asking Price
Average Asking Price / Sq. Ft.
$2,017
$1143 Increase In List Price/Sq. Ft.
Average Days On Market
6
17 Day Decrease In Days On Market
Data as of Jun 04, 2026. Remaining statistics above are calculated on activity within the period from Apr 01, 2026 to May 31, 2026.

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IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. The listing broker’s offer of compensation is made only to participants of the MLS where the listing is filed.
IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. The listing broker’s offer of compensation is made only to participants of the MLS where the listing is filed.