How much is 420 Island Drive?

420 Island Drive is listed at $12,485,000, which is about $1,949 per square foot. The listing page shows comparable active listings and recent closed sales nearby so you can judge the asking price against what buyers have actually paid.

What are the property taxes on 420 Island Drive?

The listing reports annual property taxes of $88,746 for 2024. Taxes are reassessed at the sale price after a purchase, so a new owner's bill can differ from the current owner's; use the mortgage calculator on this page for an estimate.

When was 420 Island Drive built?

420 Island Drive was built in 2017 and the listing describes its condition as resale. Age matters for insurance and financing in Florida: ask about the roof, the electrical panel and, for a condo built before the current code, the building's structural reserve study.

How long has 420 Island Drive been on the market?

420 Island Drive has been listed for 527 days, and the asking price has been reduced from $14,000,000. Days on market and price changes are the first signals of how much room there is to negotiate.

Is 420 Island Drive waterfront?

Yes. The listing describes the water as canal front. For a home with dockage, confirm the water depth at low tide, the seawall condition and whether the route to the inlet passes under any fixed bridges before you offer.

Which schools serve 420 Island Drive?

The MLS lists Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments are set by the district and can change; verify them with the school board before you rely on them.

How do I see 420 Island Drive?

Request a showing from this page or call BreakThru Realty and a licensed agent will arrange a private tour, in person or by video, and answer anything the listing leaves out.

420 Island Drive, Key Biscayne, FL 33149

$12,485,000 · Active

6 beds
7 baths
6,405 sq ft
527 days on market
Single Family Residence
Built 2017
Lot 13,503.6 sq ft
8,682 sq ft total
Miami-Dade County
MLS# A11812864
Cape Florida Sub Sec 1

Photo 1 at 420 Island Drive, Key Biscayne

Photo 2 at 420 Island Drive, Key Biscayne

Photo 3 at 420 Island Drive, Key Biscayne

Photo 4 at 420 Island Drive, Key Biscayne

Photo 5 at 420 Island Drive, Key Biscayne

Photo 6 at 420 Island Drive, Key Biscayne

Photo 7 at 420 Island Drive, Key Biscayne

Photo 8 at 420 Island Drive, Key Biscayne

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

Features

Built-in Features
High Ceilings
Kitchen Island
Pantry
Vaulted Ceiling(s)
Walk-In Closet(s)
Bedroom Layout - Split
Custom Mirrors
Other
Canal Front
In Ground
Child Gate

Schools

Elementary: Key Biscayne K-8
Middle: Ponce De Leon
High: Coral Gables

Presented by

BreakThru Realty · (786) 914-1017

Courtesy of

BHHS EWM Realty · galegomendez.v@ewm.com · Listing agent: Elena Chacon

All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright © 2026 BeachesMLS, Inc. IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by BeachesMLS. Listings held by brokerage firms other than BreakThru Realty carry the name of the listing broker.

Schedule a showing

Call or text BreakThru Realty at (786) 914-1017 or email sales@breakthrurealty.com to see 420 Island Drive.

Before You Make an Offer

Buying a waterfront home: ocean access, bridges and docks

How buying a home in South Florida works

Your Waterfront Buyer May Already Be Working With Us

BreakThru Realty works with buyers searching for waterfront homes with ocean access, no fixed bridges, deep water, private docks and Intracoastal frontage. Boaters know the vessel they need to keep behind the house, and they tell us. If you own a waterfront home, a broker can compare its frontage, dock and route to the ocean with those requirements and discuss a potential buyer match before you list.

BreakThru Realty works with hundreds of prequalified buyers searching for properties. Before you list, a broker reviews what you own, the market around it and whether an existing buyer's requirements match. If none does, you see how we would position it to reach other qualified buyers.

Find Out If We Have Your Buyer · Discuss Selling With BreakThru Realty

A potential match is a conversation, not an offer, until the buyer sees your property and makes one. No buyer is named and nothing about your property or business is shared until you decide to proceed.

Questions About 420 Island Drive

How much is 420 Island Drive?: 420 Island Drive is listed at $12,485,000, which is about $1,949 per square foot. The listing page shows comparable active listings and recent closed sales nearby so you can judge the asking price against what buyers have actually paid.
What are the property taxes on 420 Island Drive?: The listing reports annual property taxes of $88,746 for 2024. Taxes are reassessed at the sale price after a purchase, so a new owner's bill can differ from the current owner's; use the mortgage calculator on this page for an estimate.
When was 420 Island Drive built?: 420 Island Drive was built in 2017 and the listing describes its condition as resale. Age matters for insurance and financing in Florida: ask about the roof, the electrical panel and, for a condo built before the current code, the building's structural reserve study.
How long has 420 Island Drive been on the market?: 420 Island Drive has been listed for 527 days, and the asking price has been reduced from $14,000,000. Days on market and price changes are the first signals of how much room there is to negotiate.
Is 420 Island Drive waterfront?: Yes. The listing describes the water as canal front. For a home with dockage, confirm the water depth at low tide, the seawall condition and whether the route to the inlet passes under any fixed bridges before you offer.
Which schools serve 420 Island Drive?: The MLS lists Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments are set by the district and can change; verify them with the school board before you rely on them.
How do I see 420 Island Drive?: Request a showing from this page or call BreakThru Realty and a licensed agent will arrange a private tour, in person or by video, and answer anything the listing leaves out.
To request a tour, call (786) 914-1017 or email sales@breakthrurealty.com.

Explore

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The 7 bedroom villa at 110 Reef Lane 10, Key Biscayne, FL 33149 is comparable and listed for sale at $11,750,000. Another comparable home, 591 N Mashta Drive, Key Biscayne, FL 33149, sold for $14,000,000 in August 2026. Other Key Biscayne neighborhoods include Commodore Club and Ocean Club. Nearby ZIP codes include 33131 and 33129. This property also neighbors Brickell, Coconut Grove, and Miami. Compare it with the Key Biscayne housing market report.