425 Harbor Drive, Key Biscayne, FL 33149

$7,450,000 — Active

Property Features

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Discover this striking contemporary residence, perfectly positioned on an oversized 9,258 SF lot on Harbor Drive, one of Key Biscayne’s most elegant and prestigious streets.Built in 2020, this architectural masterpiece offers 6 bedrooms plus a private office, 7 full baths, and 2 powder rooms across 4,565 SF of beautifully designed living space. Filled with natural light, the home showcases expansive open living areas, impressive volume throughout, and a sleek custom kitchen featuring bespoke cabinetry and top-of-the-line finishes.An elevator provides seamless access to all three levels, culminating in a spectacular rooftop terrace with captivating island views and refreshing bay breezes…a unique advantage of being just moments from the water.Designed for effortless indoor-outdoor living, the exterior features a resort-style saltwater pool and spa, summer kitchen, cabana bath, and generous entertaining areas surrounded by lush tropical landscaping.Additional highlights include , EV charger, and ample driveway parking. Combining exceptional design, comfort, and functionality, this residence embodies the very best of island living in one of Key Biscayne’s most distinguished locations.Just minutes from Miami, Key Biscayne is a hidden island paradise where pristine beaches, world-class outdoor recreation, and a relaxed yet sophisticated lifestyle come together in a way that few places can match.

Property Details

  • Listing ID: A12034564
  • Status: Active
  • Listing Date: 2026-06-12
  • Property Type: Single Family Residence
  • Subdivision: TROPICAL ISLE HOMES SUB 3
  • County: Miami-Dade
  • MLS Area: 2420
  • Bedrooms: 7
  • Full Bathrooms: 7
  • Half Bathrooms: 2
  • Living Area Sq Ft: 4,565
  • Year Built: 2020

Financial

  • List Price: $7,450,000
  • HOA Fee: None
  • Taxes: $89,673/yr

Features & Amenities

  • View: Other
  • Furnished: Unfurnished
  • Parking: Attached Carport, Covered, Driveway, Electric Vehicle Charging Station(s), Carport
  • Cooling: Central Air
  • Heating: Central, Electric
  • Flooring: Wood
  • Construction: CBS
  • Roof: Flat
  • Interior Features: Built-in Features, Elevator, High Ceilings, Kitchen Island, Walk-In Closet(s), Closet Cabinetry, Sto
  • Exterior Features: Built-in Barbecue, Outdoor Shower, Balcony
  • Community Amenities: Other

Courtesy of One Sotheby's International Realty
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© 2026 Starfish Real Estate. Listings updated Nov 6, 2026 5:00 am. Listing data is derived from the Broker Reciprocity Program of the Realtor Association of Indian River County (RAIRC) and BeachsMLS. Properties listed by brokers other than Starfish Real Estate are identified with the applicable MLS logo and include the listing broker's name. Not all properties available through either MLS may be displayed. All MLS data is the copyrighted property of the respective MLS and its participants. Data is deemed reliable but is not guaranteed accurate and should be independently verified prior to entering into any transaction.