
MIAMI REALTORS® MLS425 Harbor Drive, Key Biscayne, FL 33149
- Beds
- 7
- Baths
- 9
- Sqft
- 4,565
- Home type
- Single Family Residence
- Year built
- 2020
- Lot size
- 9,148 sqft
- Price / sqft
- $1,632
- HOA
- $0/mo
- Community
- TROPICAL ISLE HOMES SUB 3
Property 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.
Listing activity
- Days on market
- 98
- Listed
- Jun 12, 2026
- MLS listing updated
- Sep 18, 2026
- Feed last checked
- 3 minutes ago
Listed by Mark P Chatburn · One Sotheby's International Realty
Map
Map location is based on MLS-supplied coordinates. Verify the location before relying on it.
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms
- 7
- Bathrooms
- 9
- Bathrooms (decimal)
- 8
- Full bathrooms
- 7
- Half bathrooms
- 2
Rooms & features
- Rooms
- 1
- Interior features
- Built-in Features, Closet Cabinetry, Elevator, High Ceilings, Kitchen Island, Storage, Walk-In Closet(s)
- Flooring
- Wood
- Appliances
- Dishwasher, Disposal, Dryer, Electric Range, Microwave, Oven, Refrigerator, Washer
- Laundry
- In Garage
- Furnished
- Unfurnished
Heating & cooling
- Heating
- Central, Electric
- Cooling
- Central Air
Property
Parking
- Garage spaces
- 1
- Garage
- Yes
- Carport spaces
- 2
- Carport
- Yes
- Covered spaces
- 3
- Parking features
- Attached Carport, Carport, Covered, Driveway, Electric Vehicle Charging Station(s)
- Attached garage
- No
Exterior
- Stories
- 3
- Building area
- 6,092 sqft
- Entry level
- 1
- Patio & porch
- Deck
- Exterior features
- Balcony, Built-in Barbecue, Outdoor Shower
- Fencing
- Fenced
- Pool
- Yes
- Pool features
- Heated, In Ground
- View
- Other
- Waterfront property
- No
- Spa
- Yes
Lot
- Lot size
- 9,148 sqft
- Lot size (acres)
- 0.21 acres
- Zoning
- 0100
Construction
Type & style
- Home type
- Single Family Residence
- Year built
- 2020
Materials
- Construction
- CBS
- Roof
- Flat
- Levels
- Three Or More
- Faces
- West
Utilities & green energy
Utilities
- Sewer
- Public Sewer
- Water
- Public
Community & HOA
Community
- Subdivision
- TROPICAL ISLE HOMES SUB 3
- MLS area
- 2420
- Security
- Smoke Detector(s)
- 55+ community
- No
Association
- Has association
- No
- Estimated monthly dues
- $0
- Amenities
- Other
Lease details
Not reported by the listing source.
Location
Area details
- City
- Key Biscayne
- County
- Miami-Dade
- ZIP code
- 33149
Manufactured home details
Not reported by the listing source.
Financial & listing details
Listing
- MLS number
- A12034564
- Possession
- Close Of Escrow, Negotiable
- Original list price
- $7,450,000
- Parcel number
- 2442320050220
- Annual property tax
- $89,673
- Tax year
- 2025
- Tax legal description
- 32 54 42 & 5-6 55 42 PB 50-83 TROPICAL ISLE HOMES SUB 3RD ADDN LOT 16 BLK 13 LOT SIZE 9258.00 SQ FT COC 22279-1992 05 2004 1
Additional MLS details
Reported by the listing source
- Association Amenities
- Other
- Association
- No
- Bathrooms Total Decimal
- 8
- Bathrooms Total Integer
- 9
- Building Area Total
- 6092
- Construction Materials
- CBS
- County Or Parish
- Miami-Dade
- Days On Market
- 98
- Direction Faces
- West
- Elementary School
- Key Biscayne K-8
- High School
- Coral Gables
- Laundry Features
- In Garage
- List Price
- 7450000
- Listing Contract Date
- 2026-06-12
- Living Area
- 4565
- Lot Size Acres
- 0.21
- Lot Size Area
- 9258
- MLSArea Major
- 2420
- Middle Or Junior School
- Ponce De Leon
- Mls Status
- Active
- On Market Date
- 2026-06-12
- Patio And Porch Features
- Deck
- Photos Count
- 50
- Postal Code
- 33149
- Property Sub Type
- Single Family Residence
- Property Type
- Residential
- Rooms Total
- 1
- Security Features
- Smoke Detector(s)
- Senior Community
- No
- Standard Status
- Active
- State Or Province
- FL
- Status Change Timestamp
- 2026-06-12T04:00:00Z
- Stories Total
- 3
- Subdivision Name
- TROPICAL ISLE HOMES SUB 3
- Water Source
- Public
- Tax Annual Amount
- 89673
- Bathrooms Full
- 7
- Pool Private
- Yes
- Bedrooms Total
- 7
- Waterfront
- No
- Bathrooms Half
- 2
Market value
Price history
| Date | Event | Price |
|---|---|---|
| Jun 12, 2026 | ListedMIAMI REALTORS® MLS | $7,450,000$1,632/sqft |
Public tax history
| Year | Property taxes | Assessment |
|---|---|---|
| 2025 | $89,673 | — |
Payment calculator
- Principal & interest
- $38,656
- Property taxes
- $7,473
- Insurance
- $3,725
- Association dues
- $0
Live national rate context is displayed below through Mortgage News Daily’s official widget. The calculator rate remains a separate assumption until licensed machine-readable access is connected. This is not a loan offer.
Neighborhood
Area
TROPICAL ISLE HOMES SUB 3Key Biscayne · Miami-Dade County · 33149
Climate risk
—No licensed climate-risk source is connected.
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