Single Family Residence
685 Harbor Ln
685 Harbor Ln, Key Biscayne FL 33149
$6,950,000
5 Beds · 5 Baths · 5,421 SqFt
See estimated monthly costThis listing is courtesy of Avanti Way Realty LLC. Marisela Gonzalez Servat
Overview
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 & features
Interior
- Living area (sq ft)
- 5,421
- Full bathrooms
- 5
- Half bathrooms
- 1
- First Floor Entry
- Bar
- Closet Cabinetry
- Cooking Island
- Entrance Foyer
- Walk-In Closet(s)
- Family Room
- Great Room
- Storage
Building & exterior
- Year built
- 2001
- Lot size (sq ft)
- 9,000
- Garage spaces
- 1
- Covered spaces
- 1
- Other
- Lighting
- Open Balcony
- Driveway
HOA (homeowners association)
- Ok To Lease
Taxes
- Annual tax
- $40,335
- Tax year
- 2025
- Parcel number
- 24-52-05-001-1330
Assigned schools
- Elementary
- Keybiscayne
- Middle
- Ponce De Leon
- High
- Coral Gables
Listing
- MLS number
- A11997896
- Property type
- Single Family Residence
- Price per SqFt
- $1,282
- Subdivision
- BISCAYNE KEY ESTATES
- On market since
- Apr 16, 2026
- Days on market
- 145
Estimated monthly cost
$43,717 per month
- Principal & interest (30 yr)
- $35,143
- Property tax
- $3,361
- Insurance (estimated)
- $5,213
An estimate for comparison only — not a loan offer, a quote, or a commitment to lend. Actual taxes, insurance and financing terms will differ.
Location
Nearby schools
- Key Biscayne K-8 Center
- Key Biscayne Presbyterian School
- St Agnes Academy
- St Christophers - By-The-Sea Montessori School
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