Virtual TourMap

For SaleSingle Family ResidenceActive

685 Harbor Ln

Key Biscayne, FL 33149

$6,950,000

211 Days On Site

  • 5Beds
  • 6Baths5 full, 1 half
  • 5,421Sq Ft
  • $1,282Per Sq Ft
  • 0.2066Acres
  • 2001Built
Subdivision
Biscayne Key Estates
County
Miami-Dade
MLS®
A11997896

Overview

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.

Listing Snapshot

Price
$6,950,000
Days On Site
211 Days
Bedrooms
5
Inside Area (SqFt)
5,421 sqft
Total Baths
6
Full Baths
5
Partial Baths
1
Lot Size
0.2066 Acres
Year Built
2001
MLS® Number
A11997896
Status
Active
Property Tax
$40,335 (2025)
HOA/Condo/Coop Fees
N/A
Sq Ft Source
N/A

Property Details

General Features

13 items
Attached Garage
Yes
Direction Faces
Northwest
Foundation
Pillar/Post/Pier, Raised
Garage
Yes
Garage Spaces
1
Levels
Two
Parking
Attached, Driveway, Garage
Property Sub Type
Single Family Residence
Sewer
Public Sewer
SqFt Total
6,971
Style
TwoStory
Water Source
Public
Zoning
0100

Interior Features

6 items
Appliances
Dryer, Dishwasher, Electric Water Heater, Disposal, Gas Range, Ice Maker, Refrigerator
Cooling
Central Air
Flooring
Hardwood, Marble, Tile, Wood
Heating
Central
Interior
Entrance Foyer, Kitchen Island, Bar, Walk-In Closet(s), Master Downstairs
Window Features
Plantation Shutters

Exterior Features

8 items
Exterior
Balcony, Lighting
Patio And Porch
Patio, Porch
Pool Features
In Ground, Private
Private Pool
Yes
Roof
Aluminum
View
Other
Waterview
Other
Windows/Doors
Plantation Shutters

Community Features

2 items
MLS Area
52
Financing Terms Available
Cash, Conventional

Location

685 Harbor Ln, Key Biscayne, FL 33149 · 52

Neighborhood & Commute

ZIP Code 33149

Median household income
$152,895
Income per person
$72,459
Households
5,812
Average household size
2.75
Median age
41.6

Source: Walk Score.

Disclosure: Community information and market data powered by Constellation Data Labs. Information is deemed reliable but not guaranteed.

Schools

Elementary School
Keybiscayne
Middle School
Ponce De Leon
High School
Coral Gables

Price & Status History

  1. Listing updated with changes from the MLS®
  2. Status changed to Active
  3. Listing first seen on site
  4. Price changed to $6,950,000

Friends & Family

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Listing courtesy of Avanti Way Realty LLC (786) 663-2842

Stellar MLS

Listing information is provided by Participants of the Stellar MLS. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. Properties displayed may be listed or sold by various participants in the MLS Copyright 2026, Stellar MLS.

Last checked: 2026-11-14 01:18 AM EST

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