685 Harbor Ln Key Biscayne FL 33149 | MLS #A11997896
There are multiple listings for this address:
685 Harbor Ln
Key Biscayne, FL, 33149
$6,950,000
5 Beds
5.5 Baths
5,421 SqFt
0 Acres
$6,950,000
685 Harbor Ln
Key Biscayne, FL, 33149
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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.

Property Details

Price:
$6,950,000
MLS #:
A11997896
Status:
Active
Beds:
5
Baths:
5.5
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
BISCAYNE KEY ESTATES
Neighborhood:
biscaynekeyestates
Listed Date:
Apr 16, 2026
Finished Sq Ft:
5,421
Year Built:
2001
PoolBiscayne Key EstatesBiscaynekeyestatesBiscayne Key EstatesKeybiscaynePonce De LeonCoral GablesOther

Schools

Elementary School:
Keybiscayne
Middle School:
Ponce De Leon
High School:
Coral Gables

Interior

Appliances
Dishwasher, Disposal, Dryer, Electric Water Heater, Gas Range, Ice Maker, Refrigerator
Bathrooms
5 Full Bathrooms, 1 Half Bathroom
Cooling
Central Air
Flooring
Marble, Tile, Wood
Heating
Central
Interior Features
First Floor Entry, Bar, Closet Cabinetry, Cooking Island, Entrance Foyer, Walk-In Closet(s), Family Room, Great Room, Storage

Exterior

Attached Garage YN
1
Community Features
Beach Club Member Available
Construction Materials
Elevated Construction, Piling Construction
Covered Spaces
1
Direction Faces
Northwest
Exterior Features
Lighting, Open Balcony
Garage Spaces
1
Lot Features
1/4 To Less Than 1/2 Acre Lot
Patio And Porch Features
Open Balcony, Open Porch, Patio
Roof
Aluminum
View
Other
Window Features
Hurricane Shutters, Impact Glass, Plantation Shutters

Financial

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Map

Current real estate data for Single Family in Key Biscayne as of Aug 20, 2026
41
Single Family Listed
165
Avg DOM
2,704
Avg $ / SqFt
$15,263,561
Avg List Price

Community

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Property Summary

    Located in the BISCAYNE KEY ESTATES subdivision, 685 Harbor Ln Key Biscayne FL is a Single Family for sale in Key Biscayne, FL, 33149. It is listed for $6,950,000 and features 5 beds, 6 baths, and has approximately 5,421 square feet of living space, and was originally constructed in 2001. The current price per square foot is $1,282. The average price per square foot for Single Family listings in Key Biscayne is $2,704. The average listing price for Single Family in Key Biscayne is $15,263,561.
685 Harbor Ln
Key Biscayne, FL
685 Harbor Ln
Key Biscayne, FL, 33149
$27,000
5 Beds
5.5 Baths
5,421 SqFt
0 Acres
$27,000
685 Harbor Ln
Key Biscayne, FL, 33149
MLS #A12063110 image #0MLS #A12063110 image #1MLS #A12063110 image #2MLS #A12063110 image #3MLS #A12063110 image #4MLS #A12063110 image #5MLS #A12063110 image #6MLS #A12063110 image #7MLS #A12063110 image #8MLS #A12063110 image #9MLS #A12063110 image #10MLS #A12063110 image #11MLS #A12063110 image #12MLS #A12063110 image #13MLS #A12063110 image #14MLS #A12063110 image #15MLS #A12063110 image #16MLS #A12063110 image #17MLS #A12063110 image #18MLS #A12063110 image #19MLS #A12063110 image #20MLS #A12063110 image #21MLS #A12063110 image #22MLS #A12063110 image #23MLS #A12063110 image #24MLS #A12063110 image #25MLS #A12063110 image #26MLS #A12063110 image #27MLS #A12063110 image #28MLS #A12063110 image #29MLS #A12063110 image #30MLS #A12063110 image #31MLS #A12063110 image #32MLS #A12063110 image #33MLS #A12063110 image #34MLS #A12063110 image #35MLS #A12063110 image #36MLS #A12063110 image #37MLS #A12063110 image #38MLS #A12063110 image #39MLS #A12063110 image #40MLS #A12063110 image #41MLS #A12063110 image #42MLS #A12063110 image #43MLS #A12063110 image #44
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.

Property Details

Price:
$27,000
MLS #:
A12063110
Status:
Active
Beds:
5
Baths:
5.5
Type:
Rental
Subtype:
Single Family Residence
Subdivision:
BISCAYNE KEY ESTATES
Neighborhood:
biscaynekeyestates
Listed Date:
Aug 3, 2026
Finished Sq Ft:
5,421
Year Built:
2001
PoolBiscayne Key EstatesBiscaynekeyestatesBiscayne Key EstatesKeybiscaynePonce De LeonCoral GablesOther

Schools

Elementary School:
Keybiscayne
Middle School:
Ponce De Leon
High School:
Coral Gables

Interior

Appliances
Dishwasher, Disposal, Dryer, Electric Water Heater, Gas Range, Ice Maker, Refrigerator
Bathrooms
5 Full Bathrooms, 1 Half Bathroom
Cooling
Central Air
Flooring
Marble, Tile, Wood
Heating
Central
Interior Features
First Floor Entry, Bar, Closet Cabinetry, Cooking Island, Entrance Foyer, Walk-In Closet(s), Family Room, Great Room, Storage

Exterior

Attached Garage YN
1
Community Features
Beach Club Member Available
Construction Materials
Elevated Construction, Piling Construction
Covered Spaces
1
Direction Faces
Northwest
Exterior Features
Lighting, Open Balcony
Garage Spaces
1
Lot Features
1/4 To Less Than 1/2 Acre Lot
Patio And Porch Features
Open Balcony, Open Porch, Patio
Roof
Aluminum
View
Other
Window Features
Hurricane Shutters, Impact Glass, Plantation Shutters

Financial

Need more info?
Ask a Question
Ready to go see it?
Schedule a Showing

Mortgage Calculator

Map

Current real estate data for Rental in Key Biscayne as of Aug 20, 2026
41
Rental Listed
165
Avg DOM
2,704
Avg $ / SqFt
$15,263,561
Avg List Price

Community

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Property Summary

    Located in the BISCAYNE KEY ESTATES subdivision, 685 Harbor Ln Key Biscayne FL is a Rental for sale in Key Biscayne, FL, 33149. It is listed for $27,000