425 Harbor Dr, Key Biscayne FL 33149, photo 1
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$7,450,000

Single Family ResidenceActive
⏱️ Listed 28 days ago
7Beds
9Baths
4,565Sq Ft
2020Built

425 Harbor Dr, Key Biscayne FL 33149

MLS #A12034564

About This Property

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.

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Marie I. Sanjurjo
Licensed Broker
Blue Mar Real Estate Group
📞 (305) 680-5672💬 WhatsApp Marie✉️ [email protected]

About Key Biscayne

Key Biscayne is a barrier island community just a bridge ride from Brickell, offering an island lifestyle wrapped around Crandon Park, Cape Florida State Park, and the Crandon Golf Course. The village is known for its safety, top-rated schools, and walkable pace, with residents ranging from young families to international buyers seeking secondary residences. Limited inventory and tight geography keep prices premium relative to mainland Miami.

Explore Key Biscayne📊 Key Biscayne market report

Property Details

Property Type

Single Family Residence

Year Built

2020

Living Area

4,565 sq ft

Lot Size

9,258 sq ft

Bedrooms

7

Bathrooms

9

Garage

1 Space

Pool

No

Waterfront

No

Cooling

Central Air

Heating

Central, Electric

Roof Type

Flat Roof With Facade Front

Flooring

Wood

Construction

CBS Construction, Elevated Construction

Style

Attached, Three Or More Stories

HOA Fee

None

Annual Taxes

$89,673 (2025)

Days on Market

14

MLS #

A12034564

Features & Amenities

Interior

First Floor EntryBuilt-in FeaturesCloset CabinetryCooking IslandElevatorVolume CeilingsWalk-In Closet(s)OtherStorageUtility/Laundry In Garage

Appliances

DishwasherDisposalDryerElectric RangeMicrowaveRefrigeratorWall OvenWasher

Exterior

Built-In GrillOpen BalconyOutdoor Shower

Community

Other Subdivision - See Remarks

Other

Attached CarportCoveredDrivewayElectric Vehicle Charging Station(s)Other

Nearby Schools

Assigned public schools pulled from Miami-Dade County Public Schools’s official attendance-boundary data. Verify current boundaries with MDCPS before buying — zones can change year to year.

Assigned Public Schools
Elementary
Key Biscayne K-8 Center
Grades PK-8
150 W McIntire St., Key Biscayne 33149
Middle
Ponce de Leon MS
Grades 6-8
5801 Augusto St., Coral Gables 33146
High
Coral Gables Senior High
Grades 9-12
450 Bird Rd., Coral Gables 33146
Private Schools Within 5 Miles
Key Biscayne Presbyterian School0.5 mi
160 Harbor Dr, Key Biscayne
St Agnes Academy0.6 mi
122 Harbor Dr, Key Biscayne
St Christophers - By-The-Sea Montessori School0.7 mi
95 Harbor Dr, Key Biscayne
Immaculata-La Salle High School4.1 mi
3601 S Miami Ave, Miami
La Prima Casa Montessori - Brickell Campus4.6 mi
1770 Brickell Ave, Miami
Ransom Everglades Middle School4.6 mi
2045 S Bayshore Dr, Miami
Gordon Schools of Beth David Congregation4.8 mi
2625 SW 3rd Ave, Miami
Cherry Blossom Learning Center4.8 mi
2933 SW 3rd Ave, Miami

School data source: Miami-Dade County Open Data Hub

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Location

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City

Key Biscayne

State

FL

ZIP Code

33149

County

Miami-Dade County

$7,450,000
425 Harbor Dr, Key Biscayne FL 33149
7Beds
9Baths
4,565Sq Ft
📞 (305) 680-5672💬 WhatsApp
Now Viewing
425 Harbor Dr, Key Biscayne FL 33149$7,450,000

Listing provided by Mark Chatburn at One Sotheby's International Realty. Data from Miami Association of REALTORS®. All information deemed reliable but not guaranteed. Listing #A12034564.