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$12,485,000

  • For Sale
  • Active
  • Single Family
  • 6 Beds
  • 6 Full Baths
  • 2 Partial Baths
  • 6,405 Sq. Ft.
  • Updated 20 hours ago
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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

Full Property Details for 420 Island

General

  • Price: $12,485,000
  • Taxes: $88,746 (2024)
  • Status: Active
  • Type: Single Family
  • Source: Martin_County
  • MLS ID: A11812864
  • Updated: 9/3/2026
  • Added to Site: 463 day(s) ago

Interior

  • Interior Features: Bidet, Built-in Features, Bathtub, Cathedral Ceiling(s), Dual Sinks, High Ceilings, Kitchen Island, Custom Mirrors, Pantry, Sitting Area in Primary, Split Bedrooms, Separate Shower, Walk-In Closet(s)
  • Appliances: Some Electric Appliances, Built-In Oven, Ice Maker, Microwave, Refrigerator, Water Heater, Washer
  • Flooring: Marble

Rooms

Bathrooms

  • Total Bathrooms: 8
  • Full Bathrooms: 6
  • Half Bathrooms: 2

Bedrooms

  • Total Bedrooms: 6

Other Rooms

  • Laundry: Laundry Tub

Additional Information

  • Pool: Yes
  • Private Pool: Yes
  • Pool Description: Fenced, In Ground

Parking

  • Covered Spaces: 1
  • Total Spaces: 1
  • Parking Features: Covered, Golf Cart Garage, Garage Door Opener

Location

  • Area: 2520
  • County: Miami-Dade
  • Subdivision: CAPE FLORIDA SUB SEC 1
  • Direction Faces: West

Community

  • Community Name: 2520

Heating & Cooling

  • Central air: Yes
  • Air Conditioning: Yes
  • Cooling Type: Central Air
  • Heating Type: Central

Utilities

  • Sewer: Public Sewer
  • Water: Public
  • Utility Description: Sewer Available, Water Available, Water Connected

Structural Information

  • Property Detached: Yes
  • Construction: Block, Concrete
  • Roof: Aluminum, Other
  • Square Feet: 6,405
  • Living Area: 6,405 Sq. Ft.
  • Year Built: 2017
  • Property Condition: Resale

Lot Features

  • Property View: Canal
  • Lot Size (Sq. Ft.): 13,651
  • Lot Dimensions: 13651
  • Zoning: 2000

Water Features

  • Water Front: Yes
  • Water View: Yes

Financial Considerations

  • Tax Amount: $88,746
  • Tax Year: 2024
  • Terms: Cash, Conventional

Disclosures and Reports

  • Special Conditions: Listed As-Is
  • Legal Description: 5 55 42 PB 68-81 CAPE FLORIDA SUB SEC 1 LOT 27 & PROP INT IN & TO ADJ WATER OR WATERWAYS BLK 2 LOT SIZE 13651 SQ FT OR 1
  • Property ID: 24-52-05-010-0590

Listed by BHHS EWM Realty

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Listing agent

— 420 Island —

  • BHHS EWM Realty

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 420 Island

School District:Dade County School District
NameGradesDistance
Key Biscayne K-8 Center
150 West McIntyre Street, Key Biscayne, FL 33149
PK-50.4 mi
Ponce De Leon Middle School
5801 Augusto Street, Coral Gables, FL 33146
6-86.7 mi
Coral Gables Senior High School
450 Bird Road, Coral Gables, FL 33146
9-126.7 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 420 Island Get Price Alerts and Save Property

Date
Details
Price
Change
Source
5/30/2025
Listed
$12,485,000
226.41%
MLS
6/03/2014
Sold
$3,825,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 420 Island

Year
Property Taxes
Change
Tax Assessment
Change
2025
$97,893
10%
$5,806,707
-2%
2024
$88,746
13%
$5,923,508
11%
2023
$78,214
9%
$5,332,146
24%
2021
$71,926
-8%
$4,302,340
-15%
2022
$78,470
9%
$5,046,580
17%
2021
$71,926
—
$4,322,557
—
2019
$71,941
-1%
$4,342,681
-4%
2018
$72,380
47%
$4,515,697
49%
2017
$49,181
-11%
$3,040,056
-9%
2016
$55,349
6%
$3,343,279
8%
2015
$52,154
-13%
$3,082,595
-11%
2014
$59,736
44%
$3,450,422
41%
2013
$41,532
—
$2,446,515
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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NMLS#: 1598647

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Listed by BHHS EWM Realty

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Listed by ATR Luxury Homes Group

420 Island, Key Biscayne, FL 33149 (MLS# A11812864) is a Single Family property with 6 bedrooms, 6 full bathrooms and 2 partial bathrooms. 420 Island is currently listed for $12,485,000 and was received on May 30, 2025. Want to learn more about 420 Island? Do you have questions about finding other Single Family real estate for sale in Key Biscayne? You can browse all Key Biscayne real estate or contact a Coldwell Banker agent to request more information.

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