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420 Island Dr

Key Biscayne, FL, 33149

Active

$12,485,000

6

Bedrooms

8

Bathrooms

6,405 sqft

Living Area

2017

Year Built

13,651

Lot Size (sqft)

417

Days on Market

Dock & Water AccessMLS

Ocean AccessCanal Front

Data sources: SFWMD AHED waterway polygons · FHWA National Bridge Inventory 2024 · Not provided by the MLS or listing broker.

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

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Location

Key Biscayne, FL, 33149

No price history available for this property.

Displayed by Blue Mar Real Estate Group Inc., Licensed Florida Real Estate Broker (DBPR CQ1018554) · [email protected]

Listing courtesy of BHHS EWM Realty via MIAMI REALTORS®

Last checked: 4 hours ago

Listing updated: July 21, 2026

© 2026 Miami Association of REALTORS®, Inc. All rights reserved. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of the Miami Association of REALTORS®. Information is deemed reliable but not guaranteed. All properties are subject to prior sale, change, or withdrawal.

IDX information is provided exclusively for consumers' personal, non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

FEMA Flood Zone AE
BFE: 10ft

Special Flood Hazard Area

View FEMA Flood Map →

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Estimate your monthly payment for this waterfront property

20%

$2,497,000 down

%
Principal & Interest$64,782/mo
Property Tax (est. ~1.2%, varies by county)$12,485/mo
Home Insurance (est.)$250/mo
Total Monthly Payment$77,517
Loan Amount: $9,988,000Rate: 6.75%
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$12,485,000Tour the dockSchedule a Showing