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© 2026 DockOnly™. All rights reserved.

DockOnly™ and Dock Score™ are trademarks of Blue Mar Real Estate Group Inc.

Blue Mar Real Estate Group Inc., Licensed Florida Real Estate Broker

Blue Mar Real Estate Group Inc.

Licensed Florida Real Estate Broker · DBPR License CQ1018554

4000 Ponce De Leon Blvd, Suite 470, Coral Gables, FL 33146

[email protected]

Listing data is provided by participating Multiple Listing Services and is deemed reliable but not guaranteed. Each listing's MLS source and its required disclosures appear with that listing. Dock Score™ is a DockOnly.com rating and is not provided by or affiliated with any MLS or listing broker. NOAA chart data is public domain and for reference only, not for navigation. Full MLS Compliance

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+20

420 Island Dr

Key Biscayne, FL, 33149

Active

$12,485,000

420 Island Dr

Key Biscayne, FL, 33149

Active

$12,485,000

6

Bedrooms

8

Bathrooms

6,405 sqft

Living Area

2017

Year Built

$12,485,000Tour the dockSchedule a Showing
Navigation note: Navigation routes show the shortest mapped path to open water. A vessel taller than the binding bridge clearance may still reach open water via a longer alternate route that we don't currently map. Verify navigability with a local captain or surveyor before relying on it.

13,651

Lot Size (sqft)

378

Days on Market

Dock Score™

DockOnly
66
Good

What shaped this score

✓Ocean Access
✓Bridge-free to bay & ocean
✓Dock present
✓Fits boats up to ~30ft (est.)

DockOnly.com rating, not provided by the MLS or listing broker.

Dock & Water AccessMLS

Ocean AccessCanal Front

Navigation RouteDockOnly

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

Schedule a Showing

See the property and tour the dock. A licensed waterfront specialist will arrange your private showing.

Select a date

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 updated: 6/12/2026

© 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.

Dock Score™

DockOnly
66
Good

What shaped this score

✓Ocean Access
✓Bridge-free to bay & ocean
✓Dock present
✓Fits boats up to ~30ft (est.)

DockOnly.com rating, not provided by the MLS or listing broker.

FEMA Flood Zone AE
BFE: 10ft

Special Flood Hazard Area

View FEMA Flood Map →
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Mortgage Calculator

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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Estimated payments only. Actual rates and terms may vary.

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Nearby Schools

Assigned Public Schools

E

Key Biscayne K-8 Center

Grades PK-8 · Key Biscayne

M

Ponce de Leon MS

Grades 6-8 · Coral Gables

H

Coral Gables Senior High

Grades 9-12 · Coral Gables

Nearby Private Schools

St Christophers - By-The-Sea Montessori School1.0 mi
St Agnes Academy1.0 mi

School data from Miami-Dade County Open Data Hub. Verify attendance zones with the school district.