MIAMI PRIMECondos

685 Harbor Ln, Key Biscayne, FL 33149

$6,950,0005 Beds6 Baths5,421 Sq. Ft.$1,282 / sq. ft.

Key Biscayne, FL 33149 · BISCAYNE KEY ESTATES

Status
Active
Type
Single Family Residence
Year Built
2001
Days on Market
180
Lot Size
9,000 sqft
MLS #
A11997896
County
Miami-Dade County

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

Courtesy of Avanti Way Realty LLC

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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.