
685 Harbor Ln, Key Biscayne, FL 33149
Key Biscayne, FL 33149 · BISCAYNE KEY ESTATES
Listing Remarks — 685 Harbor Ln, Key Biscayne, FL 33149
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.
Inside the Residence: 685 Harbor Ln, Key Biscayne, FL 33149
- Bathrooms Full
- 5
- Bathrooms Half
- 1
- Interior Features
- First Floor Entry, Bar, Closet Cabinetry, Cooking Island, Entrance Foyer, Walk-In Closet(s), Family Room, Great Room, Storage
- Appliances
- Dishwasher, Disposal, Dryer, Electric Water Heater, Ice Maker, Gas Range, Refrigerator
- Flooring
- Marble, Tile, Wood
- Heating
- Central
- Cooling
- Central Air
- Architectural Style
- Attached, Two Story
- Garage Spaces
- 1
- Attached Garage
- Yes
- Parking Features
- Driveway
- Pool Features
- In Ground
- Pool Private
- No
- Year Built Details
- Resale
- Property Condition
- Piling Construction
- Direction Faces
- Northwest
Building & Association Facts — 685 Harbor Ln, Key Biscayne, FL 33149
- Building Name
- BISCAYNE KEY ESTATES
- Building Area Total
- 6971
- Building Area Units
- Square Feet
- Association
- No
Site, Views & Construction — 685 Harbor Ln, Key Biscayne, FL 33149
- Lot Features
- 1/4 To Less Than 1/2 Acre Lot
- Lot Size Square Feet
- 9,000
- Waterfront
- No
- View
- Other
- Construction Materials
- Elevated Construction, Piling Construction
- Roof
- Aluminum
- Exterior Features
- Lighting, Open Balcony
- Sewer
- Public Sewer
- Water Source
- Municipal Water
- New Construction
- No
Tax & Parcel Record — 685 Harbor Ln, Key Biscayne, FL 33149
- Parcel Number
- 24-52-05-001-1330
- Tax Annual Amount
- $40,335
- Tax Year
- 2,025
- Tax Legal Description
- 5 & 6 55 42 BISCAYNE KEY ESTS PB 50-61 LOT 23 BLK 9 LOT SIZE 9000 SQ FT OR 14097-1199 0489 1
- Zoning
- 0100
- County Or Parish
- Miami-Dade County
Assigned Schools — 685 Harbor Ln, Key Biscayne, FL 33149
- Elementary School
- Keybiscayne
- Middle School
- Ponce De Leon
- High School
- Coral Gables
As reported by the listing agent; confirm with the school district before relying on it.
On the Map
685 Harbor Ln, Key Biscayne, FL 33149 · More homes in Key Biscayne
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Quick Facts: 685 Harbor Ln, Key Biscayne, FL 33149
Listing summary: single family home for sale at 685 Harbor Ln, Key Biscayne, FL 33149. It came to market on April 16, 2026 through Avanti Way Realty LLC. Public schools here fall under Miami-Dade County Public Schools. The listing names Keybiscayne, Ponce De Leon and Coral Gables as assigned schools. Layout: 5-bed, 6-bath, 5,421 sqft, in a structure dating to 2001.