BISCAYNE KEY ESTATES
685 Harbor Ln, Key Biscayne FL 33149
5 beds · 5.5 baths · 5,421 ft²
5
Bedrooms
5.5
Bathrooms
5,421
Sq. Ft.
2001
Year Built
1
Garage
36
Days on Market
Description
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.
Facts
- MLS#
- A12063110
- Subdivision
- BISCAYNE KEY ESTATES
- Property Type
- Residential Lease
- Property Sub Type
- Single Family Residence
- Year Built
- 2001
- Lot Size
- 9,000 ft²
- Sq. Ft.
- 5,421 ft²
- Sq. Mt.
- 504 m²
- Price per sq. ft.
- $5/ft²
- Price per sq. mt.
- $50/m²
- Stories
- —
- Garage
- 1 spaces
- Pool
- —
- Days on Market
- 36 days
- Listed
- Aug 3, 2026
- Last Updated
- Sep 8, 2026
- Price/Lot Sq.Ft.
- $3/ft²
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Market insights for Key Biscayne
Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.
Sellers market
September 2026
56
Median days to sold
+4.5%
1-year price forecast (est.)
Price & tax history
From the live MIAMI MLS feed. Older history requires the ListingHistory resource (not yet enabled).
| 8/25/2026 | Price change | $25,000-7.4% |
| 8/3/2026 | Listed for sale | $27,000 |
History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).
Location
Affordability
What you'd typically need to qualify for this rental under the standard 30% rule.
$83,333
gross income / month to qualify
Based on the 30% rule (rent ≤ 30% of gross monthly income). Move-in estimate assumes first month + last month + one month security; landlord requirements vary.
The data relating to real estate for sale on this website comes in part from the Southeast Florida Multiple Listing Service. MLS Data is deemed reliable, but is not guaranteed accurate by MIAMI REALTORS®.
Accuracy of listing information is not guaranteed. Listing information is provided for personal consumer, non-commercial use, solely to identify potential properties for potential purchase. All other use is strictly prohibited and may be a violation of federal and state law.
Copyright Southeast Florida MLS a/k/a SEFMLS © 2026.
Updated within 24 hours
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