550 Harbor Drive, Key Biscayne, FL 33149

$19,450,000 — Active

Property Features

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Enjoy Paradise Found on the exclusive island of Key Biscayne This extraordinary 7,000sqft waterfront estate sits on a rare double lot located on Hurricane Harbor overlooking tranquil Manatee Lagoon. The property offers an unparalleled sanctuary of luxury and seclusion with features including a 4 car garage ideal for collectors, professionally landscaped yard well suited for outdoor entertaining, 7 bedrooms and 7.5 baths including live-in staff quarters. Expansive living areas flow seamlessly to large outdoor, covered porches becoming your al fresco living room for outdoor dining or relaxing and soaking in the beauty of the natural environment as dolphins and manatees swim in your backyard. As the sun hits the horizon, the afterset lights up the sky illuminating the clouds in a breathtaking array of tropical colors. Text listing agent. 24hr noticeThis offering is a double lot sale of 550&570 Harbor

Property Details

  • Listing ID: A12111835
  • Status: Active
  • Listing Date: 2026-10-23
  • Property Type: Single Family Residence
  • Subdivision: HURRICANE COVE
  • County: Miami-Dade
  • MLS Area: 2520
  • Bedrooms: 7
  • Full Bathrooms: 7
  • Half Bathrooms: 1
  • Living Area Sq Ft: 6,497
  • Lot Dimensions: 23000
  • Year Built: 2003

Financial

  • List Price: $19,450,000
  • HOA Fee: None
  • Taxes: $117,717/yr

Features & Amenities

  • View: Lagoon
  • Pets Allowed: Yes
  • Parking: Driveway, Golf Cart Garage, Garage Door Opener, Paver Block, Garage, Attached Garage, Attached
  • Cooling: Central Air, Electric
  • Heating: Central, Electric
  • Flooring: Marble, Other
  • Construction: Block
  • Roof: Barrel
  • Interior Features: Elevator
  • Exterior Features: Balcony
  • Community Amenities: Beach Club Available

Courtesy of Three Bridges Realty, LLC
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RAPB

© 2026 Starfish Real Estate. Listings updated Nov 7, 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.