685 Harbor Ln

Key Biscayne, FL 33149

$6,950,000
Price
5
Beds
5,421 Sq. Ft.
$1,282 / Sq. Ft.
5,421
Sq. Ft.
$1,282
per Sq. Ft.
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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,...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.
  1. Listed by Marisela Gonzalez Servat • Avanti Way Realty LLC
    P: (305)-229-1146 C: (786)-663-2842 mgservat@gmail.com
  2. Listed by Alejandra Stalder • Avanti Way Realty LLC
    P: (305)-229-1146 C: (617)-982-8541 alejandra@servatgroup.com

Property Details for 685 Harbor Lane

Subdivision
BISCAYNE KEY ESTATES
Style
Pool Only
Waterfront
No
View
Other View
Area
52
Num Stories
2
Sq Ft Total
6971
Sq Ft Liv Area
5421.0
LISTING UPDATED: 04/17/2026 09:06 AM

Property Details for 685 Harbor Lane

StatusActive
MLS #A11997896
Days on Market2
Taxes$40,335 / year
HOA Fees-
Condo/Co-op Fees-
Property TypeSingle Family
MLS TypeSingle Family / Single
Year Built2001
Lot Size0.21 AC / 9,000 SF
CountyMiami-Dade County
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Location

Listing Courtesy of Avanti Way Realty LLC
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Building Information for 685 Harbor Lane

Stories2Year Built2001Building Size-Lot Size0.21 AC / 9,000 SF

Payment Calculator

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$38,358 per month

30 year fixed, 6.46% Interest

Principal and Interest

$34,997

Property Taxes

$3,361

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

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Property Information for 685 Harbor Lane

Location Information
Schools
  • Elementary School: Keybiscayne
  • Middle School: Ponce De Leon
  • Senior High School: Coral Gables
Location Information
  • Parcel Number Free Text: 24-52-05-001-1330
  • Parcel Number MLX: 1330
  • MLS Area: 52
  • Municipal Code: 24
  • Township Range: 52
  • Section: 5
  • Subdivision Number: 1
  • Subdivision Complex Bldg: BISCAYNE KEY ESTATES
  • Zoning Information: 0100
General Information
Parking
  • Num Garage Spaces: 1
  • Garage Description: Attached
  • Parking Description: Driveway
General Information
  • Front Exposure: North West
  • Housing Older Persons Act: No HOPA
  • Property Sq Ft: 9000
  • Lot Description: 1/4 To Less Than 1/2 Acre Lot
  • Pool: Yes
  • Pool Description: Below Ground Pool
  • Pool Dimensions: 30x10
  • Design: Attached
  • Design Description: Two Story
  • Construction: Elevated Construction, Piling Construction
  • Construction Type: Elevated Construction, Piling Construction
  • Roof Description: Aluminum Roof
  • Flooring: Marble Floors, Tile Floors, Wood Floors
  • Floor Description: Marble Floors, Tile Floors, Wood Floors
  • Virtual Tour: https://www.propertypanorama.com/instaview/mia/A11997896
Room Information
Room Information
  • Rooms Description: Family Room, Great Room, Storage Room
  • Bedroom Description: At Least 1 Bedroom Ground Level, Primary Bedroom Upstairs
  • Master Bathroom Description: 2 Primary Bathrooms
  • Master Bath Features: 2 Primary Bathrooms
Additional Property Information
Utilities
  • Heating Description: Central Heat
  • Cooling Description: Central Cooling
  • Sprinkler Description: Auto Sprinkler
  • Water Description: Municipal Water
  • Sewer Description: Municipal Sewer
Additional Property Information
  • Guest Accommodations: No
  • Room Count: 0
  • Interior Features: First Floor Entry, Bar, Closet Cabinetry, Cooking Island, Foyer Entry, Walk-In Closets
  • Equipment Appliances: Dishwasher, Disposal, Dryer, Electric Water Heater, Icemaker, Gas Range, Refrigerator
  • Windows Treatment: Impact Glass, Plantation Shutters
  • Exterior Features: Exterior Lighting, High Impact Doors, Hurricane Shutters, Open Balcony, Open Porch, Patio
  • Subdivision Information: Beach Club Member Available
Financial Information
Financial Information
  • Total Mortgage: $2,325,000
  • Type of Association: None
  • Flood Zone: AE
  • Tax Year: 2025
  • Tax Information: Tax Reflects Homestead Exemption
  • Special Information: As Is

Property History for 685 Harbor Lane

DateEvent & SourcePriceAppreciation
Apr 16, 2026

Listed (Active)

MiamiRE #A11997896

$6,950,000—
May 30, 2019

Sold

MiamiRE #A10532288

$3,100,000—
May 29, 2019

Sold (Public Record)

Public Record #646841368

$3,100,000—
May 1, 2019

Pending

MiamiRE #A10532288

—
Sep 4, 2018

Listed (Active)

MiamiRE #A10532288

$3,485,000—
Aug 26, 2018

Cancelled

MiamiRE #A10364431

—
Oct 30, 2017

Listed (Active)

MiamiRE #A10364431

$3,975,000—
Aug 11, 2017

Expired

MiamiRE #A10238699

—
Mar 10, 2017

Listed (Active)

MiamiRE #A10238699

$4,400,000—
DateEvent & SourcePrice
04/16/2026

Listed (Active)

MiamiRE #A11997896

$6,950,000
05/30/2019

Sold

MiamiRE #A10532288

$3,100,000
05/29/2019

Sold (Public Record)

Public Record #646841368

$3,100,000
05/01/2019

Pending

MiamiRE #A10532288

—
09/04/2018

Listed (Active)

MiamiRE #A10532288

$3,485,000
08/26/2018

Cancelled

MiamiRE #A10364431

—
10/30/2017

Listed (Active)

MiamiRE #A10364431

$3,975,000
08/11/2017

Expired

MiamiRE #A10238699

—
03/10/2017

Listed (Active)

MiamiRE #A10238699

$4,400,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 685 Harbor Lane

Taxable ValueLand-Additions-Total-
Tax Record2025$40,335 ($3,361 / month)
Home Facts
Beds5Total Finished SqFt5,421 SqFtAbove Grade Finished SqFt5,421 SqFtStories2Lot Size9,000 SqFtStyleSingle Family ResidenceYear Built2001Zoning0100:SINGLE FCountyMIAMI-DADEAPN24-5205-001-1330

Schools near 685 Harbor Lane

This home is within Miami-Dade County Public Schools.
Rating
School
Type
Grades
Distance
Air Base K-8 Center for International Education
Public - PK to 8
Key Biscayne K-8 Center
Public - PK to 8
Ponce De Leon Middle School
Public - 6 to 8
Robert Morgan Voc-Tech Institute
Public - 9 to 12
Rating
School
Distance
Air Base K-8 Center for International Education
PublicPK to 8

Key Biscayne K-8 Center
PublicPK to 8

Ponce De Leon Middle School
Public6 to 8

Robert Morgan Voc-Tech Institute
Public9 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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More information about 685 Harbor Lane, Key Biscayne, FL 33149

685 Harbor Lane is a single family home for sale in Key Biscayne, FL 33149. This property was listed for sale on April 16, 2026 by Avanti Way Realty LLC, it's currently listed at $6,950,000. It has been on the market for a total of 2 days and was last sold on May 30, 2019. This listing's school district is Miami-Dade County Public Schools. Nearby schools include Air Base K-8 Center for International Education, Key Biscayne K-8 Center and Ponce De Leon Middle School. 685 Harbor Lane is a 5-bed, 6-bath, 5,421 sqft single family home built in 2001.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of Avanti Way Realty LLC

Based on information from one of the following Multiple Listing Services: Beaches Multiple Listing Service, Inc., Martin County REALTORS® of the Treasure Coast, Inc., Miami Association of REALTORS®. Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by Beaches Multiple Listing Service, Inc., Martin County REALTORS® of the Treasure Coast, Inc., Miami Association of REALTORS® is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.