685 Harbor Ln, Key Biscayne, FL 33149
Local realty services provided by:Better Homes and Gardens Real Estate Florida 1st
Listed by: marisela gonzalez servat, alejandra stalder
Office: avanti way realty llc.305-229-1146
MLS#:A11997896
Source:SEFMLS
Price summary
- Price:$6,950,000
- Price per sq. ft.:$996.99
About this home
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.
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Home facts
- Year built:2001
- Subdivision & Development:BISCAYNE KEY ESTATES
- Listing ID #:A11997896
- Updated:November 13, 2026 at 10:56 AM
Rooms and interior
- Bedrooms:5
- Total bathrooms:6
- Full bathrooms:5
- Half bathrooms:1
- Flooring:Hardwood, Marble, Tile, Wood
- Kitchen Description:Dishwasher, Disposal, Gas Range, Ice Maker, Kitchen Island, Refrigerator
- Bedroom Description:Upper Level Primary, Walk-In Closets
- Living area:5,421 sq. ft.
Heating and cooling
- Cooling:Central Air
- Heating:Central
- Central air:Yes
Structure and exterior
- Roof:Aluminum
- Year built:2001
- Building area:5,421 sq. ft.
- Lot area:0.21 Acres
- Lot Features:Flood Zone, Sprinklers Automatic
- Architectural Style:Two Story
- Exterior Features:Balcony, Open, Patio, Porch, Security High Impact Doors, Storm Security Shutters
- Levels:2 Story
Schools
- High school:Coral Gables
- Middle school:Ponce De Leon
- Elementary school:Keybiscayne
Utilities
- Water:Public
- Sewer:Public Sewer
Finances and disclosures
- Price:$6,950,000
- Price per sq. ft.:$996.99
- Tax amount:$40,335 (2025)
Features and amenities
- Appliances:Dishwasher, Disposal, Dryer, Electric Water Heater, Gas Range, Ice Maker, Refrigerator
- Laundry features:Dryer
- Amenities:Balcony, Bar, Closet Cabinetry, Impact Glass Windows, Lighting, Plantation Shutters
- Pool features:In Ground, Pool
Parking
- Parking description:Attached, Driveway, Garage
- Garage:Yes
- Garage spaces:1
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