420 Island Dr Key Biscayne FL 33149 MLS #A11812864
420 Island Dr
Key Biscayne, FL, 33149
$12,980,000
6 Beds
7 Baths
6,405 SqFt
0 Acres
$12,980,000
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:
$12,980,000
MLS #:
A11812864
Status:
Active
Beds:
6
Baths:
7
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
CAPE FLORIDA SUB SEC 1
Neighborhood:
capefloridasubsec1
Listed Date:
May 30, 2025
Finished Sq Ft:
6,405
Total Sq Ft:
8,682
Year Built:
2017
WaterfrontCanalfrontPoolCape Florida Sub Sec 1Capefloridasubsec1Cape Florida Sub Sec 1CanalOther 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
Interior Features
First Floor Entry, Built-in Features, Cooking Island, Custom Mirrors, Laundry Tub, Pantry, Chandelier To Be Replaced, Split Bedroom, Vaulted Ceiling(s), Volume Ceilings, Walk-In Closet(s), Other
Laundry Features
Laundry Tub

Exterior

Architectural Style
Detached, Two Story
Community Features
None
Construction Materials
CBS Construction
Covered Spaces
1
Direction Faces
West
Exterior Features
Other
Lot Features
1/4 To Less Than 1/2 Acre Lot
Parking Features
Covered, Golf Cart Parking
Roof
Aluminum, Other
View
Canal
Waterfront Features
Ocean Access, Canal Front

Financial

Tax Year
2024
Taxes
$88,746
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Map

Current real estate data for Single Family in Key Biscayne as of Apr 15, 2026
57
Single Family Listed
196
Avg DOM
2,147
Avg $ / SqFt
$8,927,140
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 $12,980,000 and features 6 beds, 7 baths, and has approximately 6,405 square feet of living space, and was originally constructed in 2017. The current price per square foot is $2,027. The average price per square foot for Single Family listings in Key Biscayne is $2,147. The average listing price for Single Family in Key Biscayne is $8,927,140.
420 Island Dr
Key Biscayne, FL