685 Harbor Lane, Key Biscayne, FL 33149

Key Biscayne, FL 33149
$6,950,000
Beds
5
Baths
6
Living Area
5,421 SF
Year Built
2001
$/SF
$1282
Type
SingleFamilyResidence
DOM
84
Client login to Deal Radar™
Save → 1-mile-radius listings + similar properties via email
Photos · 40
About this property

5 bed · 6 bath · 5,421 sqft · Built 2001

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.

Property facts
Property type
SingleFamilyResidence
Condition
Resale
Year built
2001
Stories
2
Roof
Aluminum
Subdivision
BISCAYNE KEY ESTATES
Waterfront
No
Private pool
Yes
Public records
Parcel number
2452050011330
Annual tax
$40,335
County just value
$2,528,159
The neighborhood

Key Biscayne is a barrier-island enclave — restricted access, oceanfront SFH, and an inventory measured in tens, not hundreds. Premiums reflect the geography.

Should you offer below ask?

We'll run this home through Deal Radar™ — comp tier, PITI, signal flags — and send the analysis after a brief conversation. 685 Harbor Lane, Key Biscayne, FL 33149, Key Biscayne, FL.

Private · we don't share your info

Explore this property's lifestyle

This listing fits one of our specialty verticals — explore similar properties.

Listing data sourced from BeachesMLS / Trestle. All information herein is deemed reliable but is not guaranteed and should be independently verified. Information last updated 7/9/2026. Represented by Eleven Realty Partners, LLC d/b/a XI Realty · Equal Housing Opportunity.

Search Properties