This listing is no longer active
The MLS feed no longer includes this property — it may have sold, gone under contract, or been withdrawn. Last seen on September 29, 2026. The details below are the last snapshot we captured. Contact Rangely for a similar property or current status.
TROPICAL ISLE HOMES SUB 3
425 Harbor Dr, Key Biscayne FL 33149
7 beds · 7.5 baths · 4,565 ft²
$7,450,000
Est. Payment $39,652/mo
7
Bedrooms
7.5
Bathrooms
4,565
Sq. Ft.
2020
Year Built
1
Garage
97
Days on Market
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.
Facts
- MLS#
- A12034564
- Subdivision
- TROPICAL ISLE HOMES SUB 3
- Property Type
- Residential
- Property Sub Type
- Single Family Residence
- Year Built
- 2020
- Lot Size
- 9,258 ft²
- Sq. Ft.
- 4,565 ft²
- Sq. Mt.
- 424 m²
- Price per sq. ft.
- $1,632/ft²
- Price per sq. mt.
- $17,571/m²
- Stories
- —
- Garage
- 1 spaces
- Pool
- —
- Days on Market
- 97 days
- Listed
- Jun 12, 2026
- Last Updated
- Sep 17, 2026
- Price/Lot Sq.Ft.
- $805/ft²
Comparable homes
Same ZIP, similar price + bedrooms.
SOLD$7,400,000
7 bd · 9 ba · 4,565 sqft
425 Harbor Dr, Key Biscayne FL 33149
SOLD$7,190,000
7 bd · 8 ba · 5,528 sqft
797 Ridgewood Rd, Key Biscayne FL 33149

$7,390,000
6 bd · 7 ba · 4,043 sqft
741 Harbor Dr, Key Biscayne FL 33149
SOLD$7,295,000
6 bd · 7 ba · 5,299 sqft
695 Harbor Dr, Key Biscayne FL 33149

$6,900,000
6 bd · 7 ba · 3,550 sqft
110 Hampton Ln, Key Biscayne FL 33149
SOLD$7,250,000
6 bd · 7 ba · 4,464 sqft
401 Ridgewood Rd, Key Biscayne FL 33149
SOLD$7,795,000
6 bd · 7 ba · 4,225 sqft
730 N Mashta Dr, Key Biscayne FL 33149
SOLD$6,990,000
6 bd · 7 ba · 5,531 sqft
283 HARBOR COURT, Key Biscayne FL 33149
Market insights for Key Biscayne
Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.
Sellers market
October 2026
59
Median days to sold
+4.5%
1-year price forecast (est.)
Price & tax history
From the live MIAMI MLS feed. Older history requires the ListingHistory resource (not yet enabled).
| 6/12/2026 | Listed for sale | $7,450,000 |
History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).
Location
Estimated Monthly Payment
$46,010/mo
Principal & Interest
$39,652
Property Tax
$6,208
Insurance
$150
HOA
$0
Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.
The data relating to real estate for sale on this website comes in part from the Southeast Florida Multiple Listing Service. MLS Data is deemed reliable, but is not guaranteed accurate by MIAMI REALTORS®.
Accuracy of listing information is not guaranteed. Listing information is provided for personal consumer, non-commercial use, solely to identify potential properties for potential purchase. All other use is strictly prohibited and may be a violation of federal and state law.
Copyright Southeast Florida MLS a/k/a SEFMLS © 2026.
Updated within 24 hours
Similar listings nearby
More homes in Key Biscayne around $7,450,000.

24 Grand Bay Estates Circle, Key Biscayne FL 33149

741 Harbor Dr, Key Biscayne FL 33149

690 Warren Ln, Key Biscayne FL 33149

31 Island Dr, Key Biscayne FL 33149

797 Glenridge Rd, Key Biscayne FL 33149

799 Crandon Blvd # 202, Key Biscayne FL 33149
