Palm Beach · Fort Lauderdale · Miami138 towers in the index · Updated weekly

Key Biscayne/685 Harbor Lane

$6,950,000
685 Harbor Lane, Key Biscayne, FL 33149
Key Biscayne, FL 33149
5
Beds
6
Baths
5,421
Sq Ft
$1,282
/ Sq Ft

About this home

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.

The facts

Price
$6,950,000
Price / Sq Ft
$1,282
Bedrooms
5
Bathrooms
6
Interior
5,421 sq ft
Type
SingleFamilyResidence
Year Built
2001
Stories
2
Lot Size
0.21 acres
Pool
Yes
Garage
1 spaces
Flooring
Marble, Tile, Wood
Annual Tax
$40,335
Days on Market
151
MLS #
A11997896

Amenities

  • Beach Rights
BeachesMLS

Listing courtesy of Avanti Way Realty LLC · mgservat@gmail.com. All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright ©2026 BeachesMLS, Inc.