31 Island Drive, Key Biscayne, FL 33149

$9,800,000 — Active

Property Features

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Exceptional Estate in Key Biscayne. Discover an extraordinary opportunity to own a stunning modern residence on over 19,000 sq ft lot—an exceptional find in the heart of Key Biscayne. This expansive property offers a generous backyard, perfect for outdoor living, entertaining, or creating a private oasis where kids can play freely. The home features 6 bedrooms, 6.5 bathrooms, a dedicated office, and high ceilings that enhance the bright, open ambiance. Designed with a sleek, modern aesthetic, the interior boasts luxurious finishes and thoughtful amenities, including a wine cellar, pool, and a 2-car garage. Located on a quiet street, this residence blends privacy with convenience. Experience the best of island living with unparalleled space and style.

▼ Price Reduced — originally listed at $11,000,000

Property Details

  • Listing ID: A11782945
  • Status: Active
  • Listing Date: 2025-04-12
  • Property Type: Single Family Residence
  • Subdivision: CAPE FLORIDA SUB SEC 3
  • County: Miami-Dade
  • MLS Area: 2520
  • Bedrooms: 6
  • Full Bathrooms: 6
  • Half Bathrooms: 1
  • Living Area Sq Ft: 5,826
  • Year Built: 2004

Financial

  • List Price: $9,800,000
  • Original List Price: $11,000,000
  • HOA Fee: None
  • Taxes: $59,203/yr

Features & Amenities

  • View: Garden, Pool
  • 55+ Community (HOPA): Yes
  • Pets Allowed: Yes
  • Parking: Circular Driveway, Garage, Attached Garage, Attached
  • Cooling: Central Air, Ceiling Fan(s), Gas, Other
  • Heating: Other
  • Flooring: Ceramic Tile, Marble, Tile, Wood
  • Construction: Block
  • Roof: Other
  • Interior Features: Other, Closet Cabinetry
  • Exterior Features: Built-in Barbecue, Other, Balcony

Courtesy of Gimeza A Real Estate Corp.
Contact Starfish Real Estate to schedule an appointment or call .

RAPB

© 2026 Starfish Real Estate. Listings updated Nov 8, 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.