House in Key Biscayne, FL 33149Biscayne Key Estates, 685 Harbor Ln
$6,950,000
5
Beds51/2
Baths5,421
SqFt$1,282
$/SqFtUltra Luxury HouseProperty Type
2001Year Built
$1,282/SqFtPrice per sq ft
1 carParking Spaces
Two StoryStyle
BalconyExterior Features
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.
Listing Courtesy Of: Avanti Way Realty LLC
Local Realty Services Provided By: Best of Luxury Realty
On Site: 194 DaysUpdated: 11 Days agoPage Views: 0
Features
MLS Number: A11997896
Bedrooms
- Bedrooms: 5
Bathrooms
- Bathrooms: 5
- Half Bathrooms: 1
Exterior and Lot Features
- Exterior Features: Balcony, SecurityHighImpactDoors, Lighting, Porch, Patio, StormSecurityShutters
- View: Other
Interior, Heating and Cooling
- Interior Features: BedroomOnMainLevel, ClosetCabinetry, EntranceFoyer, FirstFloorEntry, KitchenIsland, UpperLevelPrimary, Bar, WalkInClosets
- Equipment / Appliances: Dryer, Dishwasher, ElectricWaterHeater, Disposal, GasRange, IceMaker, Refrigerator
- Heating Description: Central
- Cooling Description: CentralAir
Building and Construction
- Floor Description: Hardwood, Marble, Tile, Wood
- Windows/Treatment: ImpactGlass, PlantationShutters
- Year Built: 2001
- Year Built Description: Resale
- Style: TwoStory
Waterfront and Water Access
- Waterfront Frontage: No info
School Information
- Elementary School: Keybiscayne
- Middle School: Ponce De Leon
- Senior High School: Coral Gables
Other Property Info
- Garage: 1
- Listing Date: 2026-04-16T19:17:18.000-00:00
- Directions: Northwest
Taxes, Fees & More
- Taxes: 40335
- Parking Description: Attached, Driveway, Garage
Apples-to-Apples Comparables
Price History
Date
Event
Price
Change
Price Per
04/09/2026
Listed
$7M
 $1,282 ft2
$13,800 m2
04/09/2026
$7M
Event
Listed
Price Per
$1,282 ft2
$13,800 m2
Price per square foot and days on website are not provided values and are calculated by Subdivisions.
Listed by Marisela Gonzalez Servat • Avanti Way Realty LLC • Buyer Agency Compensation .
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Community Snapshot
4 – 6 BR
Bedrooms
$3.8M – $9.2M
Price Tier
1,215 - 9,848
SqFt Range
1964
Year Build
2
Total Floors
351
Total Units
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