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685 Harbor Ln, 
Key Biscayne, FL 33149

$6,950,000


5

Beds


6

Baths


5,421

Sq Ft


Single Family


Virtual Tour

Active

Listed by

Marisela Gonzalez Servat

Alejandra Stalder

Avanti Way Realty LLC.

305-229-1146

Last updated:

May 15, 2026, 10:02 AM

MLS#

A11997896

Source:

SEFMLS

About This Home

685 Harbor Ln

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.

Home Facts

Single Family

6 Baths

5 Bedrooms

Built in 2001

Price Summary

6,950,000

$1,282 per Sq. Ft.

MLS #:

A11997896

Last Updated:

May 15, 2026, 10:02 AM


Rooms & Interior

Bedrooms

Total Bedrooms:

5

Bathrooms

Total Bathrooms:

6

Full Bathrooms:

5

Interior

Living Area:

5,421 Sq. Ft.


Structure

Structure

Architectural Style:

Two Story

Building Area:

6,971 Sq. Ft.

Year Built:

2001


Lot

Lot Size (Sq. Ft):

9,000


Finances & Disclosures

Finances

Price:

$6,950,000

Price per Sq. Ft:

$1,282 per Sq. Ft.

Source:SEFMLS
Information deemed reliable but not guaranteed. Information is provided, in part, by Greater Miami MLS. This information being provided is for consumer's personal, non-commercial use and may not be used for any other purpose other than to identify prospective properties consumers may be interested in purchasing.

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.