685 Harbor Ln, Key Biscayne, Florida 33149
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$6,950,000 USD

Single Family Home for Sale, 685 Harbor Ln, Key Biscayne, Florida 33149

  • MLS#A11997896
  • 5
  • 6
  • 504 m² (5,421 ft²)

Listed By Avanti Way Realty LLC

The Single Family Home for Sale located at 685 Harbor Ln, Key Biscayne, Florida 33149 is currently for sale. 685 Harbor Ln, Key Biscayne, Florida 33149 is listed for $6,950,000. This property has 5 bedrooms, 6 bathrooms.

Date Updated : Apr 18, 2026

Property features

Property

  • Property size: 504 m² (5,421 ft²)
  • Features: GaragePatio
  • Location: Subdivision

Lot/Land

  • Land/Lot size: 836 m² (9,000 ft²)

Construction

  • Year built: 2001
  • Construction: Attached

Parking/Garage

  • Garage description: Attached Garage

Bedrooms

  • Bedrooms: 5

Bathrooms

  • Total bathrooms: 6
  • Full bathrooms: 5
  • ½ bathrooms: 1

Exterior Features

  • Outdoor spaces: Patio
  • Carport spaces:

Pool and Spa

  • Pool: Inground

Recreational

  • Recreational: Swimming Pool

Heating and Cooling

  • Heating system: Central
  • Cooling system: Central AC

Utilities

  • Other utilities: Public Sewer

Description

Timeless colonial-style residence, also known as Villa Rosa, set on a rare 12,200 sqft lot in the heart of Key Biscayne. Designed by renowned architect Cesar Molina, this 5-bedroom home is located on a very quiet, low-traffic street, offering privacy within a well-established, family-friendly neighborhood.

The home features double balconies, bright interiors, and a functional indoor-outdoor layout with expansive covered terraces. The kitchen includes an island, Sub-Zero refrigerator, wine cooler, double ovens, and two dishwashers. The primary suite offers a private terrace, oversized walk-in closet with safe, and dual bathrooms with sauna.

The spacious backyard includes a pool and generous green space. Additional features include maid’s quarters and construction that meets hurricane code requirements. Ideally located near beaches, parks, and top-rated schools, this is a rare opportunity to own a well-designed home on one of Key Biscayne’s most desirable streets.

Location

685 Harbor Ln, Key Biscayne, Florida 33149

685 Harbor Ln, Key Biscayne, Florida 33149