For sale Home

Listed Oct 23, 2026

$19,450,000 Est. $128,644/mo

550 Harbor Drive

  • 7

    Beds

  • 8

    Baths

  • 6,497

    Sq ft

The story

  • Pool
  • Waterfront

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 notice This offering is a double lot sale of 550&570 Harbor

Facts & features

Home type

Home

Year built

2003

Lot size

1 acres

Price per sq ft

$2,994

Parking

4-car garage

Included features

  • Pool

    Yes

  • Cooling

    Central Air, Electric

  • Heating

    Central, Electric

  • Appliances

    Dryer, Dishwasher, Disposal, Microwave, Refrigerator, Washer

  • Flooring

    Marble

  • Roof

    Barrel

  • Lot Information

    Flood Zone

  • Exterior

    Balcony, Porch

  • Water Source

    Public

  • Sewer

    Public Sewer

Mortgage calculator

Estimated monthly payment

$128,644 /mo

7% rate · 30-yr fixed · 20% down

  • Principal & interest $103,521
  • Property tax $19,450
  • Insurance $5,673

Includes principal, interest, taxes & insurance.

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Listing Broker

Three Bridges Realty, LLC

Broker Name

Three Bridges Realty, LLC

Agent

William Earle

Location

Key Biscayne FL 33149