About This Home

This 5-bedroom, 6-bathroom single family at 685 Harbor Ln in Key Biscayne, FL is listed for $6,950,000 ($1,282 per sqft). Built in 2001, the home offers 5,421 sqft of living space on a 0.21 acres lot.

Key Features

  • Built in 2001
  • 0.21 acre lot
  • 2 stories
  • Private pool

Property Details

2 stories
5 full, 1 half
2001

Amenities

PoolHardwoodA/C
Listing 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.

Monthly Cost Estimate

$37,170/mo

20% down · 6.5% · 30 years

Principal$5,026
Interest$30,117
Insurance$2,027

Estimates only. Actual payments may vary.

Location

685 Harbor Ln

Key Biscayne, FL 33149

BISCAYNE KEY ESTATES

Features & Amenities

Interior Features

Bedroom on Main LevelCloset CabinetryEntrance FoyerFirst Floor EntryKitchen IslandUpper Level PrimaryBarWalk-In Closet(s)

Exterior Features

BalconySecurity/High Impact DoorsLightingPorchPatioStorm/Security Shutters

Property Details

Flooring

TileWoodMarbleHardwood

Pool Features

Pool

Outdoor Features

PatioPorch

Parking

DrivewayGarage

Heating

Central

Cooling

Central Air

Appliances

DryerDishwasherElectric Water HeaterDisposalGas RangeIce MakerRefrigerator

Questions & Answers

This 5-bedroom, 6-bathroom single family at 685 Harbor Ln is listed at $6,950,000 ($1,282/sqft). The estimated monthly payment is $37,170 based on 20% down, a 30-year loan at 6.5% interest, estimated insurance.

Key features include: Built in 2001, 0.21 acre lot, 2 stories, Private pool. Interior Features: Bedroom on Main Level, Closet Cabinetry, Entrance Foyer. Exterior Features: Balcony, Security/High Impact Doors, Lighting.

This property is listed by Marisela Gonzalez Servat and can be reached at 7866632842.

MS

Marisela Gonzalez Servat

License 3280961

Agent at Avanti Way Realty

(786) 663-2842

Listed by Avanti Way Realty · Broker phone: (788) 888-5884 · View on Broker Site

MLS# A11997896· Source: Miami REALTORS®· 143 days on PropertySimple

Copyright © 2026 Miami REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

685 Harbor Ln, Key Biscayne, FL 33149

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