House for Sale
$6,950,000
5 bd · 6 ba · 5,421 sqft
685 Harbor Ln, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
Key Biscayne, FL 33149 · MLS# A11976789 · Active · BISCAYNE KEY ESTATES
Refined 3-story modern contemporary residence on an oversized, beautifully landscaped corner lot along Key Biscayne’s prestigious Harbor Drive, just 15 minutes from the Brickell Financial District, and featuring a spectacular rooftop terrace. This 5,328 total SF home offers 6 bedrooms, 4 full baths, and 3 half baths, thoughtfully designed for both elegant living and effortless entertaining. A grand entry with a stylish pivot door welcomes you into light-filled interiors with soaring ceilings, marble floors in the social areas, and wire-brushed white oak flooring upstairs. Panoramic impact windows and multiple terraces create seamless indoor-outdoor flow. The resort-style backyard features a heated saltwater pool with waterfall and inviting lounge areas. The Mia Cucina chef’s kitchen anchors the main living space with a marble waterfall island, custom cabinetry, and premium appliances including Wolf induction cooktop/ovens, Sub-Zero refrigeration, and Asko dishwasher. Smart home technology includes Savant automation, Lutron lighting, whole-home audio, and integrated security. The expansive primary suite offers a sitting area, private balcony, covered terrace, beverage station, custom walk-in closets, and a spa-inspired marble bath. A dedicated office, upstairs family room, staff quarters, and laundry room add flexibility. The rooftop entertainment deck includes a summer kitchen with Wolf grill, Sub-Zero refrigeration, lounge areas, and a half bath—ideal for sunset gatherings.
School assignments are provided by the listing and should be independently verified.
Estimate only — actual rates, taxes and insurance vary. Not a loan offer or financial advice. Financing through Matthew Gromadzki, NMLS #2560919 · Innovative Mortgage Services, Inc., NMLS #250769.
741 Harbor Dr, Key Biscayne, FL 33149 · See all Key Biscayne homes for sale
House for Sale
$6,950,000
5 bd · 6 ba · 5,421 sqft
BISCAYNE KEY ESTATES
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BISCAYNE KEY ESTATES
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BISCAYNE KEY ESTATES
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$5,785,000
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BISCAYNE KEY ESTATES
741 Harbor Dr is a single family home for sale in Key Biscayne, FL 33149. This property was listed for sale on March 12, 2026 by Coldwell Banker Realty, it's currently listed at $7,390,000. This listing's school district is Miami-Dade County Public Schools. Nearby schools include Keybiscayne, Ponce De Leon and Coral Gables. 741 Harbor Dr is a 6-bed, 7-bath, 4,043 sqft single family home built in 2016.