$6,950,000
685 Harbor Lane
Key Biscayne, FL 33149
Explore the area: Key Biscayne homes for sale · Miami Dade County real estate
Price Check
How this price compares
- List price
- $6,950,000
- Price per sq ft
- $1,282
- Vs. nearby sales
- 8.2% below
- Days on market
- 175
This 5-bedroom single-family home in Biscayne Key Estates is listed at $6,950,000, or $1,282 per square foot. It has been on the market for 175 days. The 6 most recent single-family home sales in the closings shown below sold at a median of $1,397 per square foot, so the asking price is 8.2% below what comparable homes here actually sold for.
Estimated monthly payment
$36,525 /mo
Principal and interest only, based on $1,390,000 down (20%), a 6.875% 30-year fixed rate. Property taxes, homeowners insurance are not included.
Customize this estimateListing Snapshot
- Price
- $6,950,000
- Days on Site
- 175 Days
- Bedrooms
- 5
- Total Baths
- 6
- Full Baths
- 5
- Partial Baths
- 1
- Living Area
- 5,421 sqft
- Total Sq Ft
- 6,971 sqft
- Lot Size
- 0.21 Acres
- Year Built
- 2001
- Property Type
- Single Family
- MLS #
- A11997896
- Property Tax
- $40,335 (2025)
- Subdivision
- BISCAYNE KEY ESTATES
- County
- Miami Dade
- Status
- Active
- Special Conditions
- Listed As Is
About This Property
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.
MLS media linkGeneral Features
- Property Type
- Single Family
- Status
- Active
- Year Built
- 2001
- Property Condition
- Resale
- Number of Stories
- 2
- Levels
- Two
- Garage Spaces
- 1
- Attached Garage
- Yes
- Parking
- Attached / Driveway / Garage
- Direction Faces
- Northwest
- Lot Size (Acres)
- 0.21
- Living Sq Ft
- 5,421
- Total Sq Ft
- 6,971
- Sewer
- Public Sewer
- Water Source
- Public
- Zoning
- 0100
Interior Features
- Appliances
- Dryer / Dishwasher / Electric Water Heater / Disposal / Gas Range / Ice Maker / Refrigerator
- Cooling
- Central Air
- Heating
- Central
- Flooring
- Marble / Tile / Wood
- Interior Features
- Closet Cabinetry / Entrance Foyer / Kitchen Island / Main Level Primary / Multiple En Suite Bathrooms / Storage / Upper Level Primary / Bar / Walk In Closets
- Windows
- Plantation Shutters
- Total Rooms
- 2
Exterior Features
- Roof
- Aluminum
- Exterior Features
- Balcony / Lighting / Outdoor Living Area
- Private Pool
- Yes
- Pool Features
- In Ground
- Patio & Porch
- Open / Patio / Porch / Balcony
- Lot Features
- Quarter To Half Acre Lot / Sprinklers Automatic
- View
- Other
Community & HOA
- Association Amenities
- Beach Rights
- Financing Terms
- Cash / Conventional
- Restrictions
- Ok To Lease
- MLS Area
- 2520
Schools
- Elementary School
- Key Biscayne K-8
- Middle School
- Ponce De Leon
- High School
- Coral Gables
About the Community
Biscayne Key Estates is a luxury community in Key Biscayne, Miami-Dade County, Florida. Properties are priced from $2,900,000 to $11,300,000. Pure Equity lists homes in Biscayne Key Estates and represents buyers. Commission is negotiable, and what we are paid is agreed with you in writing before you commit to anything.
- Homes for Sale
- 8
- Under Contract
- 1
- Median List Price
- $5,489,000
- Median $/Sq Ft
- $1,532
- Avg Days on Market
- 139
Frequently Asked Questions
- How do I schedule a tour of 685 Harbor Lane, Key Biscayne, FL 33149?
- Use the Tour button on this listing to request a showing of 685 Harbor Lane, Key Biscayne, FL 33149. Pick a day and time and choose an in-person or video-chat tour, and a Pure Equity agent will confirm your visit, often the same day.
- Is 685 Harbor Lane, Key Biscayne, FL 33149 still available?
- 685 Harbor Lane, Key Biscayne, FL 33149 is currently listed as Active, and has been on the market 175 days. Status updates directly from the MLS as homes go under contract, so ask us to confirm availability before you plan a visit.
- How much is the monthly payment for 685 Harbor Lane, Key Biscayne, FL 33149?
- With 20% down ($1,390,000) on the $6,950,000 list price and a 30-year fixed loan at an illustrative 6.875% rate, the estimated principal & interest for 685 Harbor Lane, Key Biscayne, FL 33149 is about $36,525/mo, before property taxes, insurance. Use the payment estimate on this page to adjust the down payment and rate.
- How do I get pre-approved to buy 685 Harbor Lane, Key Biscayne, FL 33149?
- Getting pre-approved shows sellers you're a serious buyer and clarifies your true budget before you offer on 685 Harbor Lane, Key Biscayne, FL 33149. Contact Pure Equity and we'll connect you with a trusted local lender to review your financing options, no obligation.
- What schools serve 685 Harbor Lane, Key Biscayne, FL 33149?
- 685 Harbor Lane, Key Biscayne, FL 33149 is zoned for Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments and boundaries can change year to year, so confirm current zoning with the local school district before you buy.
- Can I negotiate the price of 685 Harbor Lane, Key Biscayne, FL 33149?
- Often, yes. The right offer on 685 Harbor Lane, Key Biscayne, FL 33149 depends on how it's priced against comparable single family sales in Key Biscayne, how long it's been listed, and how motivated the seller is. Pure Equity will run the comps and help you craft a competitive, well-supported offer.
Listing courtesy of Avanti Way Realty LLC
Listing information is provided by BeachesMLS, Inc.and is deemed reliable but not guaranteed accurate by the MLS or Pure Equity. Information is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties. © 2026 BeachesMLS, Inc. Last updated June 23, 2026.
$6,950,000
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Listed by Marisela C Gonzalez Servat, Avanti Way Realty LLC
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Recent Sales
Recently sold homes in Biscayne Key Estates
These are the last 6 recorded closings in Biscayne Key Estates, with the price each home actually sold for rather than what it was listed at. They closed at a median of $1,425 per square foot. The most recent closed on September 28, 2026. Closed sales are what an appraiser and a buyer's agent will look at, so they are the starting point for pricing a home here.
Sold$2,800,000
Sold · September 28, 2026
738 Fernwood Road
3 bed · 2 bath · 1,312 sqft · $2,134/sqft
$75,000 under the asking price
Sold$4,920,624
Sold · September 24, 2026
164 W Mashta Drive
5 bed · 5 bath · 3,595 sqft · $1,369/sqft
$279,376 under the asking price
Sold$3,010,000
Sold · July 15, 2026
204 Westwood Drive
3 bed · 2 bath · 2,113 sqft · $1,425/sqft
$155,000 under the asking price
Sold$5,690,000
Sold · June 15, 2026
762 Fernwood Road
6 bed · 5 bath · 3,584 sqft · $1,588/sqft
$209,999 under the asking price
Sold$4,950,000
Sold · April 20, 2026
635 Curtiswood Drive
6 bed · 6 bath · 3,888 sqft · $1,273/sqft
Sold$2,850,000
Sold · April 13, 2026
760 Allendale Road
3 bed · 2 bath · 2,388 sqft · $1,193/sqft
$100,000 under the asking price
See every recorded sale in Biscayne Key Estates or find out what your Biscayne Key Estates home is worth.
