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Single family home for sale at 685 Harbor Ln, Key Biscayne, FL 33149 | MLS# A11997896 | Listing updated on 2026-10-14
Photo 1 of Single family home for sale at 685 Harbor Ln, Key Biscayne, FL 33149 | MLS# A11997896 | Listing updated on 2026-10-14
Photo 2 of Single family home for sale at 685 Harbor Ln, Key Biscayne, FL 33149 | MLS# A11997896 | Listing updated on 2026-10-14
Photo 3 of Single family home for sale at 685 Harbor Ln, Key Biscayne, FL 33149 | MLS# A11997896 | Listing updated on 2026-10-14
Photo 4 of Single family home for sale at 685 Harbor Ln, Key Biscayne, FL 33149 | MLS# A11997896 | Listing updated on 2026-10-14
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$6,950,000

Monthly Est:$34,593

  • Beds Icon5 Beds
  • Beds Icon
    6 Baths
  • Beds Icon5,421sqft

685 Harbor Ln, Key Biscayne, FL 33149

$34,593/moEst:

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  • Single Family Residence

  • Built in 2001

  • $-- HOA

  • 9,147.6 sqft lot

  • $1,282/sq.ft

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.

  • Houzeo last checked: 9 minutes ago
  • Listing updated: October 14, 2026 at 3:17 pm
  • Listing Provided by: Marisela C Gonzalez Servat DRE #3280961, Alejandra Maria Stalder (617) 982-8541 DRE #3460868 | Avanti Way Realty LLC (305) 229-1146
  • Source: Beaches MLS-FL | MLS#: A11997896 Beaches MLS-FL

Property Details

  • Status

    Active

  • Type

    Single Family Residence

  • No. of Stories

    2

  • County

    Miami Dade County

  • City

    Key Biscayne

  • Neighborhood

    --

  • Year Built

    2001

  • HOA Fees

    -

  • Finished Area

    5,421 sqft

  • Lot Size

    9,147.6 sqft lot

  • Basement Area

    - sqft

  • MLS Name

    Beaches MLS

  • MLS Number

    A11997896

  • MLS Status

    Active

  • Days on Market

    183

  • Cumulative Days on Market

    181

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Location

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 5

    Bathrooms: 6

Interior

  • Sewer

    Public Sewer

  • Cooling

    Central Air

  • Heating

    Central

  • Appliances

    Dryer, Dishwasher, Electric Water Heater, Disposal, Gas Range, Ice Maker, Refrigerator

  • Interior Features

    Closet Cabinetry, Entrance Foyer, Kitchen Island, Main Level Primary, Multiple En Suite Bathrooms, Storage, Upper Level Primary, Bar, Walk In Closets

  • Flooring

    Marble, Tile, Wood

  • Window Features

    Plantation Shutters

  • Exterior Features

    Balcony, Lighting, Outdoor Living Area

Construction

  • Year Built

    Year Built: 2001

  • Home type

    Single Family Residence

  • Roof

    Aluminum

  • Foundation Details

    Pillar Post Pier

  • Property Condition

    Resale

Utilities & Energy

  • Association Amenities

    Beach Rights

  • Water Source

    Public

  • Pool Features

    In Ground

  • Parking Features

    Attached, Driveway, Garage

Other Features

  • Lot Features

    Quarter To Half Acre Lot, Sprinklers Automatic

  • Patio And Porch Features

    Open, Patio, Porch, Balcony

  • Subdivision Name

    Biscayne Key Estates

Price History

DateEventPrice

10/14/2026

Source: mls_logoMiami MLS-FL #A11997896

Price Increased

$6,950,000 +27700.00%

$1,282/sqft

08/25/2026

Source: mls_logoMiami MLS-FL #A12063110

Off Market

$25,000

$5/sqft

08/25/2026

Source: mls_logoMiami MLS-FL #A12063110

Listed for Sale

$25,000 -7.41%

$5/sqft

08/03/2026

Source: mls_logoBeaches MLS-FL #A12063110

Price Decreased

$27,000 -99.61%

$5/sqft

04/16/2026

Source: mls_logoBeaches MLS-FL #A11997896

Off Market

$6,950,000

$1,282/sqft

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IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by BeachesMLS. All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This data is not verified for authenticity or accuracy and may not reflect all real estate activity in the market. Based on information © 2026 BeachesMLS, Inc. All Rights Reserved.

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