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420 Island, Key Biscayne, FL 33149

Key Biscayne
Local realty services provided by:CENTURY 21 Move With Us
420 Island,Key Biscayne, FL 33149
$12,485,000
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  • 6 Beds
  • 8 Baths
  • 6,405 sq. ft.
  • Single family
  • Active
Listed by: elena chacon
Office: bhhs ewm realty
MLS#:A11812864
Source:FL_RAMC

Price summary

  • Price:$12,485,000
  • Price per sq. ft.:$1,438.03

About this home

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

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Home facts

  • Year built:2017
  • Subdivision & Development:CAPE FLORIDA SUB SEC 1
  • Listing ID #:A11812864
  • Added:12 day(s) ago
  • Updated:September 13, 2026 at 03:01 PM

Rooms and interior

  • Bedrooms:6
  • Total bathrooms:8
  • Full bathrooms:6
  • Half bathrooms:2
  • Flooring:Marble
  • Bathrooms Description:Bathtub, Bidet, Dual Sinks, Separate Shower
  • Kitchen Description:Built-In Oven, Ice Maker, Kitchen Island, Microwave, Pantry, Refrigerator
  • Bedroom Description:Split Bedroom, Walk-In Closet(s)
  • Living area:6,405 sq. ft.

Heating and cooling

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

Structure and exterior

  • Roof:Aluminum
  • Year built:2017
  • Building area:6,405 sq. ft.
  • Construction Materials:Block, Concrete

Utilities

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

Finances and disclosures

  • Price:$12,485,000
  • Price per sq. ft.:$1,438.03
  • Tax amount:$88,746 (2024)

Features and amenities

  • Appliances:Built-In Oven, Ice Maker, Microwave, Refrigerator, Some Electric Appliances, Washer, Water Heater
  • Laundry features:Laundry Tub, Washer
  • Amenities:Cathedral Ceilings, Custom Mirrors, High Ceilings, Pantry
  • Pool features:Fenced, In Ground

Parking

  • Total parking spaces:1
  • Parking description:Covered, Garage Door Opener, Golf Cart Garage
MLS LogoThe data relating to real estate for sale on this web site comes in part from a cooperative data exchange program of the Realtor<REGISTERED_LOGO> Association of Martin County, Inc. MLS. Real estate listings held by brokerage firms other than CENTURY 21 Move With Us are marked with the IDX logo (Broker Reciprocity) or name and detailed information about such listings includes the name of the listing brokers. Data provided is deemed reliable but is not guaranteed.

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