685 Harbor Ln, Key Biscayne, FL 33149

For Sale $6,950,000

Days Listed

180

Beds

5

Baths

5

Interior

5421 ft2 (504m2)

For Sale
46
685 Harbor Ln, Key Biscayne, FL 33149|5 BEDS | 5 BATHS |$6,950,000

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.

| Floor Plans

  • Days On Market:
    180
    Listed:
    Oct 14, 2026
  • Size:
    5421 ft2 (504m2)
    Rooms:
    5
  • Bathrooms:
    5
    Baths Half:
    1
  • Terms:
    All Cash, Conventional
    Property Facing:
    Northwest
  • Last Modification:
    1 month ago
     

Property Taxes and Assessment

  • Annual Tax
    $40,335
  • Tax Year
    2025
  • Maintenance Fee
    N/A
  • Association Fee
    N/A
  • Terms
    All Cash, Conventional

Property Features

Facts and features
Interior Features
  • First Floor Entry
    Bar
    Closet Cabinetry
    Cooking Island
    Entrance Foyer
    Walk-In Closet(s)
    Family Room
    Great Room
    Storage
  • Exterior Features
  • Lighting
    Open Balcony
  • Appliances
  • Dishwasher
    Disposal
    Dryer
    Electric Water Heater
    Ice Maker
    Gas Range
    Refrigerator
  • Parking
  • Driveway
  • Other Facts
    Heating
  • Central
  • Cooling
  • Central Air
  • Flooring
  • Marble
    Tile
    Wood
  • Window Features
  • Hurricane Shutters
    Impact Glass
    Plantation Shutters
  • Door Features
  • High Impact Doors
  • Roof
  • Aluminum
  • Water Source
  • Municipal Water
  • Sewer
  • Public Sewer
  • Amenities
    Pool Features
  • In Ground
  • Patio And Porch Features
  • Open Balcony
    Open Porch
    Patio
  • Community Features
  • Beach Club Member Available
  • Architectural Style
  • Attached
    Two Story
  • Construction Materials
  • Elevated Construction
    Piling Construction
  • Structure Type
  • Pool Only
    House
  • Schools
    Elementary School
  • Keybiscayne
  • Middle Or Junior School
  • Ponce De Leon
  • High School
  • Coral Gables
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    Sophia K. Albrecht

    Sophia K. Albrecht

    Lic. Real Estate Broker