420 Island Dr Key Biscayne FL 33149 MLS #A11812864

420 Island Dr
Key Biscayne, FL, 33149
$14,000,000
6 Beds
7 Baths
8,682 SqFt
0 Acres
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$14,000,000
420 Island Dr
Key Biscayne, FL, 33149
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Spectacular and impeccably appointed modern residence situated on a 13,651 SF lot on prestigious Island Drive—one of Key Biscayne’s most elevated streets. Boasting a total of 8,011 SF, this 6-bedroom, 6 full bath + 2 half bath home is open, bright, and flooded with natural light throughout. Enjoy breathtaking water views and private access to the water in a setting that blends refined luxury with ultimate privacy. This residence showcases exquisitely curated, high-end designer finishes, a dramatic wine cellar, two expansive family rooms, and a closed 2-car garage. The outdoor living area is equally impressive, featuring a sleek summer kitchen and lush, professionally designed landscaping—ideal for elegant island living and entertaining. Per approved plans 6,405 SF under AC -8,682 SF Total

Property Details

Price:
$14,000,000
MLS #:
A11812864
Status:
Active
Beds:
6
Baths:
7
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
CAPE FLORIDA SUB SEC 1
Neighborhood:
Cape Florida Sub Sec 1
Listed Date:
May 30, 2025
Finished Sq Ft:
8,682
Total Sq Ft:
8,682
Year Built:
2017
WaterfrontPoolCape Florida Sub Sec 1Cape Florida Sub Sec 1Cape Florida Sub Sec 1Other Restrictions

Schools

Interior

Appliances
Electric Water Heater, Ice Maker, Microwave, Refrigerator, Self Cleaning Oven, Wall Oven, Washer
Bathrooms
6 Full Bathrooms, 2 Half Bathrooms
Cooling
Central Air
Flooring
Marble
Heating
Central
Laundry Features
Laundry Tub

Exterior

Architectural Style
Detached, Two Story
Community Features
None
Construction Materials
CBS Construction
Exterior Features
Other
Parking Features
Covered, Golf Cart Parking
Roof
Aluminum, Other

Financial

Tax Year
2024
Taxes
$88,746
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Current real estate data for Single Family in Key Biscayne as of Oct 22, 2025
51
Single Family Listed
191
Avg DOM
2,411
Avg $ / SqFt
$10,416,059
Avg List Price

Community

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Property Summary

    Located in the CAPE FLORIDA SUB SEC 1 subdivision, 420 Island Dr Key Biscayne FL is a Single Family for sale in Key Biscayne, FL, 33149. It is listed for $14,000,000 and features 6 beds, 7 baths, and has approximately 8,682 square feet of living space, and was originally constructed in 2017. The current price per square foot is $1,613. The average price per square foot for Single Family listings in Key Biscayne is $2,411. The average listing price for Single Family in Key Biscayne is $10,416,059.
420 Island Dr
Key Biscayne, FL

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