685 Harbor Ln, Key Biscayne FL 33149 | Miami-Dade County | A11997896
  • $6,950,000

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.

Property Overview

This timeless colonial-style residence, also known as Villa Rosa, is a standout in Biscayne Key Estates, sitting on a rare 12,200 sqft lot on a quiet, low-traffic street. The 5-bedroom, 5.5-bathroom home was designed by architect Cesar Molina and built in 2001. With 5,421 sqft of living space, the layout emphasizes light-filled interiors and a functional indoor-outdoor flow, including double balconies and expansive covered terraces. The home’s kitchen is well-equipped with modern luxury in mind—featuring an island, Sub-Zero refrigerator, wine cooler, double ovens, and two dishwashers. The primary suite includes a private terrace, oversized walk-in closet with a safe, and dual bathrooms with a sauna. The backyard extends into a large, private space with a pool and generous green area, ideal for entertaining or relaxing. Additional features include a maid’s quarters and construction built to hurricane code standards. Situated near beaches, parks, and top-rated schools, this home offers a rare combination of privacy, space, and location on one of Key Biscayne’s most desirable streets. For more details or to tour, call 305-859-4733.

Frequently Asked Questions

How many bedrooms and bathrooms does this home have?

The home has 5 bedrooms and 5 full bathrooms, with an additional half bathroom.

What is the square footage of the home and lot?

The home's living area is 5,421 square feet, and it sits on a 12,200 square foot lot.

When was the home built?

The home was built in 2001.

What are some of the key features of the home?

Key features include double balconies, a functional indoor-outdoor layout with covered terraces, a chef's kitchen with high-end appliances, a primary suite with a private terrace and sauna, a spacious backyard with a pool, and maid’s quarters. The home also meets hurricane code requirements.

Where is the home located?

The home is located at 685 Harbor Ln, Key Biscayne, FL 33149, in the Biscayne Key Estates subdivision.

What is the price of this property?

The asking price for this property is $6,950,000.

Monthly Fees & Carrying Costs

  • Membership Required: No
  • Address: Harbor Ln
  • City: Key Biscayne
  • State/county: Miami-Dade County
  • Zip/Postal Code: 33149
  • Area: BISCAYNE KEY ESTATES

Details

Updated on June 29, 2026 at 7:56 pm
  • Property ID A11997896
  • Price $6,950,000
  • Property Size 5421 Sq Ft
  • Bedrooms 5
  • Room 0
  • Bathrooms 5.5
  • Garage 1
  • Year Built 2001
  • Type Single Family Residence
  • Property Status Active, Residential

Additional details

  • Flooring Marble, Tile, Wood
  • Bedroom Features At Least 1 Bedroom Ground Level, Primary Bedroom Upstairs
  • Cooling Central Air
  • Association Type None
  • Building BISCAYNE KEY ESTATES
  • Area Biscayne Key Estates
  • Annual Tax 40335
  • Association No
  • Elementary School Keybiscayne
  • Private Pool No
  • Listing Terms All Cash, Conventional
  • Waterfront No
  • Full Bathrooms 5
  • Subdivision BISCAYNE KEY ESTATES
  • Restrictions Ok To Lease
  • Parking Driveway
  • Heating Central
  • Structure Type Pool Only, House
  • Tax Year 2025
  • Construction Elevated Construction, Piling Construction
  • Building Area 6971
  • Covered Spaces 1
  • Middle School Ponce De Leon
  • View Other
  • Year Built Details Resale
  • High School Coral Gables
  • Half Bathrooms 1
  • Flood Zone AE
  • Patio / Porch Open Balcony, Open Porch, Patio
  • New Construction No
  • Garage Spaces 1
  • Style Pool Only
  • Lot Size (Sq Ft) 9000
  • Membership Purchase Required No

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Christopher Lazaro

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