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5-Bedroom Residence in Key Biscayne

685 Harbor Ln, Key Biscayne FL 33149, Key Biscayne, FL 33149

$6,950,000

Listing photo 1

Key Facts

Beds
5
Baths
6
Sq Ft
5,421
Lot
9,000 sq ft
Year Built
2001

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.

Features & Amenities

  • 1-car garage
  • Built 2001
  • First Floor Entry
  • Bar
  • Closet Cabinetry
  • Cooking Island
  • Entrance Foyer
  • Walk-In Closet(s)
  • Family Room
  • Great Room

Location

685 Harbor Ln, Key Biscayne FL 33149, Key Biscayne, FL

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MLS # A11997896 · Listing courtesy of Avanti Way Realty LLC

Data last updated September 8, 2026

Listing information is provided in part by the IDX program of the MIAMI Association of REALTORS®. Information deemed reliable but not guaranteed. The information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.