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685 Harbor Ln, Key Biscayne FL 33149

House For Sale
$6,950,000

BTC: 81.57276995

ETH: 2,622.64150943

168 days
5 bds
5 ba
5,421 sqft

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.

Location

Details

Type:
Residential
Parking:
Driveway
Year Built:
2001
Lot:
9000 Square Feet
Heating:
Central
Price/sqft:
$1,282
Cooling:
Central Air
HOA:
No Data

Valuation

Recent sales nearby
30 public-records sales within 0.5 mi
Median actual sale: $3.5M
Not enough MLS comparables for a model estimate on this property. Public-records data shown instead.

Highlights

Annual tax
$40,335
2025
Pool
In Ground
View
Other
Garage
1 car garage
All facts and features
  • Flooring

    • Marble

    • Tile

    • Wood

    Heating

    • Central

    Cooling

    • Central Air

    Appliances

    • Dishwasher

    • Disposal

    • Dryer

    • Electric Water Heater

    • Ice Maker

    • Gas Range

    • Refrigerator

    Other interior features

    • First Floor Entry

    • Bar

    • Closet Cabinetry

    • Cooking Island

    • Entrance Foyer

    • Walk-In Closet(s)

    • Family Room

    • Great Room

    • Storage

    Bedrooms and bathrooms

    • Bedrooms: 5

    • Bathrooms: 1

    • Full bathrooms: 5

  • Parking

    • Driveway

    Property

    • Exterior Features: Lighting / Open Balcony

    Lot

    • Lot: 9000 Square Feet

    Other Property Information

    • Parcel Number: 24-52-05-001-1330

    • Zoning: 0100

  • Type and style

    • Property Type: Residential

    • Property Sub Type: Single Family Residence

  • Other financial information

    • Annual tax amount: $40,335

  • Source details

    • MLS ID: A11997896

    Other facts

    • Construction Materials: Elevated Construction / Piling Construction

    • Lot Features: 1/4 To Less Than 1/2 Acre Lot

    • Patio And Porch Features: Open Balcony / Open Porch / Patio

    • Pool Features: In Ground

    • Window Features: Hurricane Shutters / Impact Glass / Plantation Shutters

    • Direction Faces: Northwest

    • Architectural Style: Attached / Two Story

    • Garage Spaces: 1

    • Attached Garage: Yes

    • Garage: Yes

    • Living Area: 5421

    • Water Source: Municipal Water

    • Subdivision Name: BISCAYNE KEY ESTATES

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The multiple listing information is provided by the Miami Association of REALTORS® from a copyrighted compilation of listings. The compilation of listings and each individual listing are ©2026-present Miami Association of REALTORS®. All Rights Reserved. The information provided is for consumers' personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Listing courtesy of: Avanti Way Realty LLC