685 Harbor, Key Biscayne, FL 33149

Local realty services provided by:CENTURY 21 Move With Us
685 Harbor,Key Biscayne, FL 33149
$6,950,000
  • 5 Beds
  • 6 Baths
  • 5,421 sq. ft.
  • Single family
  • Active
Listed by: marisela gonzalez servat, alejandra stalder
Office: avanti way realty llc.
MLS#:A11997896
Source:FL_RAMC

Price summary

  • Price:$6,950,000
  • Price per sq. ft.:$996.99

About this home

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.

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Home facts

  • Year built:2001
  • Subdivision & Development:BISCAYNE KEY ESTATES
  • Listing ID #:A11997896
  • Added:12 day(s) ago
  • Updated:September 13, 2026 at 03:01 PM

Rooms and interior

  • Bedrooms:5
  • Total bathrooms:6
  • Full bathrooms:5
  • Half bathrooms:1
  • Flooring:Marble, Wood
  • Kitchen Description:Dishwasher, Disposal, Gas Range, Ice Maker, Kitchen Island, Refrigerator
  • Bedroom Description:Closet Cabinetry, Walk-In Closet(s)
  • Living area:5,421 sq. ft.

Heating and cooling

  • Cooling:Central Air
  • Heating:Central
  • Central air:Yes

Structure and exterior

  • Roof:Aluminum
  • Year built:2001
  • Building area:5,421 sq. ft.
  • Lot Features:Sprinklers Automatic
  • Exterior Features:Balcony, Open, Patio, Porch, Sprinkler Irrigation, Storm/Security Shutters

Utilities

  • Water:Public Water, Water Available, Water Connected
  • Sewer:Public Sewer, Sewer Available

Finances and disclosures

  • Price:$6,950,000
  • Price per sq. ft.:$996.99
  • Tax amount:$40,335 (2025)

Features and amenities

  • Appliances:Dishwasher, Disposal, Dryer, Gas Range, Ice Maker, Refrigerator, Some Electric Appliances, Water Heater
  • Laundry features:Dryer
  • Amenities:Bar, Closet Cabinetry, Entrance Foyer, Impact Glass, Plantation Shutters
  • Pool features:In Ground

Parking

  • Total parking spaces:1
  • Parking description:Attached, Driveway, Garage
  • Garage:Yes
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