CAPE FLORIDA SUB SEC 1

420 Island Dr, Key Biscayne FL 33149

6 beds · 6.5 baths · 6,405 ft²

For Sale · Active Listing

$12,980,000

7.29%

Est. Payment $69,085/mo

MLS Sheet Video

6

Bedrooms

6.5

Bathrooms

6,405

Sq. Ft.

2017

Year Built

356

Days on Market

Description

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

Facts

MLS#
A11812864
Subdivision
CAPE FLORIDA SUB SEC 1
Property Type
Residential
Property Sub Type
Single Family Residence
Year Built
2017
Lot Size
13,651 ft²
Sq. Ft.
6,405 ft²
Sq. Mt.
595 m²
Price per sq. ft.
$2,027/ft²
Price per sq. mt.
$21,815/m²
Stories
Garage
Pool
Days on Market
356 days
Listed
May 30, 2025
Last Updated
May 21, 2026
Price/Lot Sq.Ft.
$951/ft²

Comparable homes

Same ZIP, similar price + bedrooms.

Market insights for Key Biscayne

Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.

Sellers market

May 2026

100/100
Buyers marketSellers market

34

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).

4/6/2026Price change$12,980,000-7.3%
5/30/2025Listed for sale$14,000,000

History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).

Location

420 Island Dr, Key Biscayne FL 33149Directions

GreatSchools Summary Ratings

Public + private K-12 schools within 5 miles of this listing.

GreatSchoolsData provided by GreatSchools.org © 2026. All rights reserved.

Estimated Monthly Payment

$80,052/mo

Principal & Interest

$69,085

Property Tax

$10,817

Insurance

$150

HOA

$0

20% ($2,596,000)
7.00%
30 years
1.00% (FL avg ~1.0%)
$0/mo
$150/mo

Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.

Rangely Adames

Rangely Adames

Sales Associate | Sunland Group

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