685 Harbor Lane — principal view

Maison Azure — private collection

685 Harbor Lane

$6,950,000

Key Biscayne, FL

5 bd · 6 ba · 5,421 sf

Bedrooms
5
Bathrooms
6
Living area
5,421 sf
Lot
0.21 ac
Built
2001
Garage
1 cars
Price / sq ft
$1,282

The residence

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.

Cinematic tour ↗

Distinctions

Interior

  • Bar
  • Entrance Foyer
  • Kitchen Island
  • Walk-In Closet(s)
  • Closet Cabinetry
  • Storage

Exterior

  • Lighting
  • Balcony

Club & amenities

  • Beach Club Available

Parking

  • Driveway
  • Garage
  • Attached Garage
  • Attached

The community

Biscayne Key Estates

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The setting

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Presented by

Avanti Way Realty LLC · Marisela C Gonzalez Servat

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Listing courtesy of Avanti Way Realty LLC · Marisela C Gonzalez Servat

Listing information is provided by BeachesMLS via the Spark Platform. All information is deemed reliable but not guaranteed and should be independently verified. Properties may or may not be listed by the office/agent presenting the information.

Last updated 2026-07-09