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Single family home for sale at 425 Harbor Dr, Key Biscayne, FL 33149 | MLS# A12034564 | Listing updated on 2026-10-31
Photo 1 of Single family home for sale at 425 Harbor Dr, Key Biscayne, FL 33149 | MLS# A12034564 | Listing updated on 2026-10-31
Photo 2 of Single family home for sale at 425 Harbor Dr, Key Biscayne, FL 33149 | MLS# A12034564 | Listing updated on 2026-10-31
Photo 3 of Single family home for sale at 425 Harbor Dr, Key Biscayne, FL 33149 | MLS# A12034564 | Listing updated on 2026-10-31
Photo 4 of Single family home for sale at 425 Harbor Dr, Key Biscayne, FL 33149 | MLS# A12034564 | Listing updated on 2026-10-31
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$7,450,000

Monthly Est:$37,081

  • Beds Icon7 Beds
  • Beds Icon
    9 Baths
  • Beds Icon4,565sqft

425 Harbor Dr, Key Biscayne, FL 33149

$37,081/moEst:

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  • Single Family Residence

  • Built in 2020

  • $-- HOA

  • 9,147.6 sqft lot

  • $1,632/sq.ft

Description

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.

  • Houzeo last checked: 10 minutes ago
  • Listing updated: October 31, 2026 at 7:47 am
  • Listing Provided by: Mark P Chatburn (305) 393-6032 DRE #3488011, Brigitte Nachtigall (305) 710-9664 DRE #0542022 | One Sotheby's International Realty (305) 365-2811
  • Source: Beaches MLS-FL | MLS#: A12034564 Beaches MLS-FL

Property Details

  • Status

    Active

  • Type

    Single Family Residence

  • No. of Stories

    3

  • County

    Miami Dade County

  • City

    Key Biscayne

  • Neighborhood

    --

  • Year Built

    2020

  • HOA Fees

    -

  • Finished Area

    4,565 sqft

  • Lot Size

    9,147.6 sqft lot

  • Basement Area

    - sqft

  • MLS Name

    Beaches MLS

  • MLS Number

    A12034564

  • MLS Status

    Active

  • Days on Market

    144

  • Cumulative Days on Market

    140

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Location

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 7

    Bathrooms: 9

Interior

  • Sewer

    Public Sewer

  • Appliances

    Dryer, Dishwasher, Electric Range, Disposal, Microwave, Oven, Refrigerator, Washer

  • Flooring

    Wood

  • Exterior Features

    Built In Barbecue, Balcony, Barbecue, Outdoor Living Area, Outdoor Shower

  • Heating

    Central, Electric

  • Interior Features

    Built In Features, Breakfast Area, Closet Cabinetry, Dining Area, Separate Formal Dining Room, Dual Sinks, Elevator, High Ceilings, Kitchen Island, Kitchen Dining Combo, Main Level Primary, Storage, Separate Shower, Walk In Closets

  • Cooling

    Central Air

Construction

  • Year Built

    Year Built: 2020

  • Home type

    Single Family Residence

  • Construction Materials

    Cbs Concrete Block Structure, Block

  • Roof

    Flat

Utilities & Energy

  • Laundry Features

    In Garage

  • Association Amenities

    Other

  • Parking Features

    Attached Carport, Covered, Carport, Driveway, Electric Vehicle Charging Stations

  • Security Features

    Smoke Detectors

  • Water Source

    Public

  • Pool Features

    Heated, In Ground

Other Features

  • Subdivision Name

    Tropical Isle Homes Sub 3

  • Patio And Porch Features

    Deck, Open, Balcony

Price History

DateEventPrice

06/12/2026

Source: mls_logoBeaches MLS-FL #A12034564

Off Market

$7,450,000

$1,632/sqft

06/12/2026

Source: mls_logoBeaches MLS-FL #A12034564

Listed for Sale

$7,450,000

$1,632/sqft

06/10/2026

Source: #A12034564

Price Decreased

$7,450,000 -3.87%

$1,632/sqft

09/07/2025

Source: #A11873862

Off Market

$7,750,000

$1,698/sqft

09/07/2025

Source: #A11873862

Listed for Sale

$7,750,000 -1.89%

$1,698/sqft

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IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by BeachesMLS. All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This data is not verified for authenticity or accuracy and may not reflect all real estate activity in the market. Based on information © 2026 BeachesMLS, Inc. All Rights Reserved.

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