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5 Beds
6 Baths
5,421 sqft

$6,950,000

685 Harbor Lane, Key Biscayne FL, 33149

Price per sqft$1,282.05
Built in2001
Property size5,421 sqft
Property typeResidential

Overview

Active

Listed Apr 16, 2026

Updated 11 days ago

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.

$46,239/mo

Est. mortgage payment based on a $6,950,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
A11997896

Interior Features

Bedrooms
5
Bathrooms
6
Cooling
Yes
Heating
Yes
Basement
No

Exterior Features

Lot Size
0.21 Acres

Other Property Details

Taxes
$40,335
Tax Frequency
Annually
Garage
Yes
View
Yes
Pool
Yes
55+/Senior Community
No

Listed with Avanti Way Realty LLC

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Data last updated 3:20 AM UTC, 9/10/2026

 

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