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- Description
- Property Details
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$6,950,000
Monthly Est:$34,593
5 Beds
- 6 Baths
5 full baths + 1 half bath
5,421sqft
685 Harbor Ln, Key Biscayne, FL 33149
$6,950,000
$34,593/moEst:
Get Pre-Approved
Single Family Residence
Built in 2001
$-- HOA
9,147.6 sqft lot
$1,282/sq.ft
Description
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.
- Houzeo last checked: 9 minutes ago
- Listing updated: October 14, 2026 at 3:17 pm
- Listing Provided by: Marisela C Gonzalez Servat DRE #3280961, Alejandra Maria Stalder (617) 982-8541 DRE #3460868 | Avanti Way Realty LLC (305) 229-1146
- Source: Beaches MLS-FL | MLS#: A11997896

Property Details
Status
Active
Type
Single Family Residence
No. of Stories
2
County
City
Neighborhood
--
Year Built
2001
HOA Fees
-
Finished Area
5,421 sqft
Lot Size
9,147.6 sqft lot
Basement Area
- sqft
MLS Name
Beaches MLS
MLS Number
A11997896
MLS Status
Active
Days on Market
183
Cumulative Days on Market
181

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Location
Facts & Features
Rooms
Bedrooms & bathrooms
Bedrooms: 5
Bathrooms: 6
Interior
Sewer
Public Sewer
Cooling
Central Air
Heating
Central
Appliances
Dryer, Dishwasher, Electric Water Heater, Disposal, Gas Range, Ice Maker, Refrigerator
Interior Features
Closet Cabinetry, Entrance Foyer, Kitchen Island, Main Level Primary, Multiple En Suite Bathrooms, Storage, Upper Level Primary, Bar, Walk In Closets
Flooring
Marble, Tile, Wood
Window Features
Plantation Shutters
Exterior Features
Balcony, Lighting, Outdoor Living Area
Construction
Year Built
Year Built: 2001
Home type
Single Family Residence
Roof
Aluminum
Foundation Details
Pillar Post Pier
Property Condition
Resale
Utilities & Energy
Association Amenities
Beach Rights
Water Source
Public
Pool Features
In Ground
Parking Features
Attached, Driveway, Garage
Other Features
Lot Features
Quarter To Half Acre Lot, Sprinklers Automatic
Patio And Porch Features
Open, Patio, Porch, Balcony
Subdivision Name
Biscayne Key Estates
Price History
| Date | Event | Price |
|---|---|---|
10/14/2026 Source: | Price Increased | $6,950,000 +27700.00% $1,282/sqft |
08/25/2026 Source: | Off Market | $25,000 $5/sqft |
08/25/2026 Source: | Listed for Sale | $25,000 -7.41% $5/sqft |
08/03/2026 Source: | Price Decreased | $27,000 -99.61% $5/sqft |
04/16/2026 Source: | Off Market | $6,950,000 $1,282/sqft |
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IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by BeachesMLS. All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This data is not verified for authenticity or accuracy and may not reflect all real estate activity in the market. Based on information © 2026 BeachesMLS, Inc. All Rights Reserved.
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