About This Home

This 7-bedroom, 9-bathroom single family at 425 Harbor Dr in Key Biscayne, FL is listed for $7,450,000 ($1,632 per sqft). Built in 2020, the home offers 4,565 sqft of living space on a 0.21 acres lot.

Key Features

  • Built in 2020
  • 0.21 acre lot
  • 3 stories
  • Private pool

Property Details

3 stories
7 full, 2 half
2020

Amenities

PoolEV ChargerSpaHardwoodA/C
Listing 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.

Monthly Cost Estimate

$39,844/mo

20% down · 6.5% · 30 years

Principal$5,388
Interest$32,283
Insurance$2,173

Estimates only. Actual payments may vary.

Location

425 Harbor Dr

Key Biscayne, FL 33149

TROPICAL ISLE HOMES SUB 3

Features & Amenities

Interior Features

Built-in FeaturesBedroom on Main LevelBreakfast AreaCloset CabinetryDining AreaSeparate/Formal Dining RoomDual SinksFirst Floor EntryHigh CeilingsKitchen IslandKitchen/Dining ComboShower OnlyWalk-In Closet(s)Elevator

Exterior Features

BalconyDeckFenceSecurity/High Impact DoorsOutdoor GrillOutdoor Shower

Property Details

Flooring

WoodHardwood

Construction

Block

Pool Features

Pool

Outdoor Features

Deck

Parking

CarportDrivewayCovered

Heating

Electric (Heating)Central

Cooling

Central Air

Appliances

Built-In OvenDryerDishwasherElectric RangeDisposalMicrowaveRefrigeratorWine CoolerWasher

Questions & Answers

This 7-bedroom, 9-bathroom single family at 425 Harbor Dr is listed at $7,450,000 ($1,632/sqft). The estimated monthly payment is $39,844 based on 20% down, a 30-year loan at 6.5% interest, estimated insurance.

Key features include: Built in 2020, 0.21 acre lot, 3 stories, Private pool. Interior Features: Built-in Features, Bedroom on Main Level, Breakfast Area. Exterior Features: Balcony, Deck, Fence.

This property is listed by Mark Chatburn and can be reached at 3053936032.

MC

Mark Chatburn

License 3488011

Agent at One Sothebys International Realty

(305) 393-6032

Listed by One Sothebys International Realty · Broker phone: (305) 666-0562 · View on Broker Site

MLS# A12034564· Source: Miami REALTORS®· 76 days on PropertySimple

Copyright © 2026 Miami REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

425 Harbor Dr, Key Biscayne, FL 33149

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