This listing is no longer active
The MLS feed no longer includes this property — it may have sold, gone under contract, or been withdrawn. Last seen on October 1, 2026. The details below are the last snapshot we captured. Contact Rangely for a similar property or current status.
BISCAYNE KEY ESTATES
685 Harbor Ln, Key Biscayne FL 33149
5 beds · 5.5 baths · 5,421 ft²
$6,950,000
Est. Payment $36,991/mo
5
Bedrooms
5.5
Bathrooms
5,421
Sq. Ft.
2001
Year Built
1
Garage
145
Days on Market
Description
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.
Facts
- MLS#
- A11997896
- Subdivision
- BISCAYNE KEY ESTATES
- Property Type
- Residential
- 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.
- $1,282/ft²
- Price per sq. mt.
- $13,790/m²
- Stories
- —
- Garage
- 1 spaces
- Pool
- —
- Days on Market
- 145 days
- Listed
- Apr 16, 2026
- Last Updated
- Sep 8, 2026
- Price/Lot Sq.Ft.
- $772/ft²
Comparable homes
Same ZIP, similar price + bedrooms.
SOLD$6,950,000
5 bd · 6 ba · 3,525 sqft
650 Warren Ln, Key Biscayne FL 33149
SOLD$6,950,000
5 bd · 6 ba · 3,774 sqft
380 Woodcrest Rd, Key Biscayne FL 33149
SOLD$7,200,000
5 bd · 6 ba · 4,416 sqft
625 Curtiswood Dr, Key Biscayne FL 33149
SOLD$6,499,999
5 bd · 6 ba · 4,366 sqft
141 Harbor Dr, Key Biscayne FL 33149
SOLD$6,495,000
5 bd · 6 ba · 3,525 sqft
261 Greenwood Dr, Key Biscayne FL 33149
SOLD$6,399,000
5 bd · 6 ba · 3,584 sqft
100 Hampton Ln, Key Biscayne FL 33149

$6,900,000
4 bd · 5 ba · 4,200 sqft
785 Crandon Blvd, Key Biscayne FL 33149
SOLD$5,999,000
5 bd · 7 ba · 3,791 sqft
201 Buttonwood Dr, Key Biscayne FL 33149
Market insights for Key Biscayne
Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.
Sellers market
October 2026
59
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).
| 4/16/2026 | Listed for sale | $6,950,000 |
History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).
Location
Estimated Monthly Payment
$42,932/mo
Principal & Interest
$36,991
Property Tax
$5,792
Insurance
$150
HOA
$0
Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.
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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