
$6,950,000
Single Family ResidenceActive685 Harbor Ln, Key Biscayne FL 33149
MLS #A11997896About This Property
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.
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Blue Mar Real Estate Group
About Key Biscayne
Key Biscayne is a barrier island community just a bridge ride from Brickell, offering an island lifestyle wrapped around Crandon Park, Cape Florida State Park, and the Crandon Golf Course. The village is known for its safety, top-rated schools, and walkable pace, with residents ranging from young families to international buyers seeking secondary residences. Limited inventory and tight geography keep prices premium relative to mainland Miami.
Property Details
Property Type
Single Family Residence
Year Built
2001
Living Area
5,421 sq ft
Lot Size
9,000 sq ft
Bedrooms
5
Bathrooms
6
Garage
1 Space
Pool
No
Waterfront
No
Cooling
Central Air
Heating
Central
Roof Type
Aluminum
Flooring
Marble, Tile, Wood
Construction
Elevated Construction, Piling Construction
Style
Attached, Two Story
HOA Fee
None
Annual Taxes
$40,335 (2025)
Days on Market
145
MLS #
A11997896
Features & Amenities
Interior
Appliances
Exterior
Community
Other
Nearby Schools
Assigned public schools pulled from Miami-Dade County Public Schools’s official attendance-boundary data. Verify current boundaries with MDCPS before buying — zones can change year to year.
School data source: Miami-Dade County Open Data Hub
Location
City
Key Biscayne
State
FL
ZIP Code
33149
County
Miami-Dade County
Subdivision
BISCAYNE KEY ESTATES
Listing provided by Marisela Gonzalez Servat at Avanti Way Realty LLC. Data from Miami Association of REALTORS®. All information deemed reliable but not guaranteed. Listing #A11997896.