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425 Harbor Drive, Key Biscayne, FL 33149
Active
103 Days on Market
1 / 30
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How this price compares

List price
$7,450,000
Price per sq ft
$1,632
Original price
Unchanged
Days on market
103

This 7-bedroom single-family home in Tropical Isle Homes Sub 3 is listed at $7,450,000, or $1,632 per square foot. It has been on the market for 103 days.

7
Bedrooms
9
Bathrooms
4,565
Living Sq Ft
2020
Year Built

Estimated monthly payment

$39,153 /mo

Principal and interest only, based on $1,490,000 down (20%), a 6.875% 30-year fixed rate. Property taxes, homeowners insurance are not included.

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Listing Snapshot

Price
$7,450,000
Days on Site
103 Days
Bedrooms
7
Total Baths
9
Full Baths
7
Partial Baths
2
Living Area
4,565 sqft
Total Sq Ft
6,092 sqft
Lot Size
0.21 Acres
Year Built
2020
Property Type
Single Family
MLS #
A12034564
Property Tax
$89,673 (2025)
Subdivision
TROPICAL ISLE HOMES SUB 3
County
Miami Dade
Status
Active
Special Conditions
Listed As Is

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.

Virtual Tour

General Features

Property Type
Single Family
Status
Active
Year Built
2020
Number of Stories
3
Levels
Three Or More
Garage Spaces
1
Parking
Attached Carport / Covered / Carport / Driveway / Electric Vehicle Charging Stations
Direction Faces
West
Lot Size (Acres)
0.21
Living Sq Ft
4,565
Total Sq Ft
6,092
Sewer
Public Sewer
Water Source
Public
Zoning
0100

Interior Features

Appliances
Dryer / Dishwasher / Electric Range / Disposal / Microwave / Oven / Refrigerator / Washer
Cooling
Central Air
Heating
Central / Electric
Flooring
Wood
Spa
Yes
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
Laundry
In Garage
Furnished
Unfurnished

Exterior Features

Construction
Block
Roof
Flat
Exterior Features
Built In Barbecue / Balcony / Barbecue / Outdoor Living Area / Outdoor Shower
Private Pool
Yes
Pool Features
Heated / In Ground
Patio & Porch
Deck / Open / Balcony
View
Other

Community & HOA

Association Amenities
Other
Security
Smoke Detectors
Financing Terms
Cash / Conventional
Restrictions
Other Restrictions
MLS Area
2420

Schools

Elementary School
Key Biscayne K-8
Middle School
Ponce De Leon
High School
Coral Gables
Homes for Sale
10
Median List Price
$6,445,000
Median $/Sq Ft
$1,791
Avg Days on Market
160
View all 10 homes for sale in Tropical Isle Homes →
How do I schedule a tour of 425 Harbor Drive, Key Biscayne, FL 33149?
Use the Tour button on this listing to request a showing of 425 Harbor Drive, Key Biscayne, FL 33149. Pick a day and time and choose an in-person or video-chat tour, and a Pure Equity agent will confirm your visit, often the same day.
Is 425 Harbor Drive, Key Biscayne, FL 33149 still available?
425 Harbor Drive, Key Biscayne, FL 33149 is currently listed as Active, and has been on the market 103 days. Status updates directly from the MLS as homes go under contract, so ask us to confirm availability before you plan a visit.
How much is the monthly payment for 425 Harbor Drive, Key Biscayne, FL 33149?
With 20% down ($1,490,000) on the $7,450,000 list price and a 30-year fixed loan at an illustrative 6.875% rate, the estimated principal & interest for 425 Harbor Drive, Key Biscayne, FL 33149 is about $39,153/mo, before property taxes, insurance. Use the payment estimate on this page to adjust the down payment and rate.
How do I get pre-approved to buy 425 Harbor Drive, Key Biscayne, FL 33149?
Getting pre-approved shows sellers you're a serious buyer and clarifies your true budget before you offer on 425 Harbor Drive, Key Biscayne, FL 33149. Contact Pure Equity and we'll connect you with a trusted local lender to review your financing options, no obligation.
What schools serve 425 Harbor Drive, Key Biscayne, FL 33149?
425 Harbor Drive, Key Biscayne, FL 33149 is zoned for Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments and boundaries can change year to year, so confirm current zoning with the local school district before you buy.
Can I negotiate the price of 425 Harbor Drive, Key Biscayne, FL 33149?
Often, yes. The right offer on 425 Harbor Drive, Key Biscayne, FL 33149 depends on how it's priced against comparable single family sales in Key Biscayne, how long it's been listed, and how motivated the seller is. Pure Equity will run the comps and help you craft a competitive, well-supported offer.

Listing courtesy of One Sotheby's International Realty

Listing information is provided by BeachesMLS, Inc.and is deemed reliable but not guaranteed accurate by the MLS or Pure Equity. Information is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties. © 2026 BeachesMLS, Inc. Last updated June 23, 2026.

$7,450,000

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Listed by Mark P Chatburn, One Sotheby's International Realty

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