Home in 685 Harbor Lane, Key Biscayne, FL 33149 for sale with MLS# A11997896

Timeless colonial-style residence, also known as Villa Rosa, set on a rare 12,200 sqft lot in the heart of Key Biscayne. Designed by renowned architect Cesar Molina, this 5-bedroom home is located on a very quiet, low-traffic street, offering privacy within a well-established, family-friendly neighborhood.The home features double balconies, bright interiors, and a functional indoor-outdoor layout with expansive covered terraces. The kitchen includes an island, Sub-Zero refrigerator, wine cooler, double ovens, and two dishwashers. The primary suite offers a private terrace, oversized walk-in closet with safe, and dual bathrooms with sauna.The spacious backyard includes a pool and generous green space. Additional features include maid's quarters and construction that meets hurricane code requirements. Ideally located near beaches, parks, and top-rated schools, this is a rare opportunity to own a well-designed home on one of Key Biscayne's most desirable streets.

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685 Harbor Lane, Key Biscayne, FL 33149

Price
Price:
$6,950,000.00
Original List Price:
$6,950,000.00
Property Status and Type
Listing Type:
For Sale
Status:
Active
Listing Category:
Residential
Property Type:
Single Family House
Description of Last Important Update:
New Listing
Last Major Update on:
April 16, 2026 4:00 am
Other Special Conditions:
Sold As-is
Rooms Distribution
Bedrooms:
5
Bathrooms Total:
6
Full Bath:
5
Half Bath:
1
Room Type:
Family Room, Great Room
Master Bedroom Bath:
2 Master Baths, Master Bdrm - Upstairs, Master Bdrm - Ground
Measures
Living Area:
5,421 Sqft
Built-Up Area:
6,971 Sqft
Lot Size Acres:
0.21
Property Features
View from the Property:
Other
Waterfront:
No
Private Pool
Swimming Pool Features:
In Ground
Appliances:
Dryer, Dishwasher, Disposal, Refrigerator, Gas Range, Electric Water Heater, Ice Maker
Interior:
Walk-In Closet(s), Closet Cabinetry, Kitchen Island, Entrance Foyer, Bar, Storage
Exterior:
Balcony, Lighting
Patio and Porch:
Patio, Porch, Porch - Open
Windows:
Plantation Shutters
Air Conditioning
Air Conditioning System:
Central Air
Heating
Heating System:
Central
Property Entrance Faces:
Northwest
Balcony Details:
Balcony - Open
Storm Protection Impact Glass:
Partial
Sprinkler Description:
Auto Sprinkler
Construction
Year Built:
2001
Roof:
Aluminum
Levels:
Two
Entry Level (floor):
1
Flooring:
Tile, Wood, Marble
Number of stories:
2
Foundation Details:
Piling
Flood Zone Code:
AE
Property Condition:
Resale
Taxes and Expenses
Tax Annual Amount:
$40,335.00
Tax Year:
2025
Parking
Garage
Garage Spaces:
1
Covered Spaces:
1
Parking Features:
Driveway, Garage, Attached, Attached Garage
Utilities
Sewer:
Public Sewer
Water Source:
Public
Community
Membership Details:
Other Membership Available
Amenities Provided by the Homeowner's Association (HOA):
Beach Club Available
Subdivision Name:
BISCAYNE KEY ESTATES
Senior Community:
No
Leasing Permitted
Leasing Permitted Details:
Okay To Lease
Terms
Listing Terms Considered by Seller:
Cash, Conventional
Buyer Possession:
Negotiable
Zoning and Legal
Tax Legal Description:
5 & 6 55 42 BISCAYNE KEY ESTS PB 50-61 LOT 23 BLK 9 LOT SIZE 9000 SQ FT OR 14097-1199 0489 1
Real Estate Folio Number (Parcel Number):
2452050011330
Zoning:
0100
Public Schools Assigned
Elementary School:
Dunedin Elementary-pn
High School:
Coral Gables
Middle Or Junior School:
Ponce De Leon
Listing History
Active on the market since:
April 16, 2026
Listing Agreement executed on:
April 16, 2026
Listing Status Last Changed On:
April 16, 2026 4:00 am
Photos updated on:
May 6, 2026 6:03 pm
Last Modified:
July 9, 2026 8:25 am
Additional Information
Courtesy of:
Avanti Way Realty LLC
Attribution:
Not provided
Location
Street Name:
Harbor
Street Number:
685
City:
Key Biscayne
State:
Florida
Zip Code:
33149
County:
Miami-Dade
Latitude:
N25° 41' 17.8''
Longitude:
W81° 49' 43.9''
Street Suffix:
Lane
Property Map

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Neighborhood Stats

Source: U.S. Census Bureau, ACS 5-Year Estimates

Median Household Income $171,982
Median Home Value $1,231,500
Median Rent $3,501/mo
Median Age 43
Population 14,628

Air Quality

Source: AirNow.gov · Miami

🌬️ Air Quality Index (AQI) 45 Good
☀️ O3 30 Good
🫁 PM2.5 45 Good
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Ver la Propiedad Ver la propiedad 685 Harbor Lane, Key Biscayne, FL 33149
Association of REALTORS®
Disclaimer: IDX listing information is presented by Rebonus Brokerage LLC for consumer informational purposes only. The information provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed by the MLS or the real estate broker. This page presents structured listing information sourced directly from the MLS via the RESO Web API feed. Rebonus prioritizes maximum field coverage and data completeness, displaying the most granular MLS-provided attributes available.