420 Island Dr, Key Biscayne FL 33149, photo 1
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$12,980,000

Single Family ResidenceActive
⏱️ Listed 336 days ago (~11 months)⬇️ Price reduced $1,020,000 (7%) on April 6, 2026
6Beds
8Baths
6,405Sq Ft
2017Built

420 Island Dr, Key Biscayne FL 33149

MLS #A11812864

About This Property

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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Marie I. Sanjurjo
Licensed Broker
Blue Mar Real Estate Group
📞 (305) 680-5672✉️ marie@bluemargroup.com

About Key Biscayne

Key Biscayne is a barrier island community just a bridge ride from Brickell, offering an island lifestyle wrapped around Crandon Park, Cape Florida State Park, and the Crandon Golf Course. The village is known for its safety, top-rated schools, and walkable pace, with residents ranging from young families to international buyers seeking secondary residences. Limited inventory and tight geography keep prices premium relative to mainland Miami.

Explore Key Biscayne📊 Key Biscayne market report

Property Details

Property Type

Single Family Residence

Year Built

2017

Living Area

6,405 sq ft

Lot Size

13,651 sq ft

Bedrooms

6

Bathrooms

8

Pool

No

Waterfront

Yes

Cooling

Central Air

Heating

Central

Roof Type

Aluminum, Other

Flooring

Marble

Construction

CBS Construction

Style

Detached, Two Story

HOA Fee

None

Annual Taxes

$88,746 (2024)

Days on Market

311

MLS #

A11812864

Features & Amenities

Interior

First Floor EntryBuilt-in FeaturesCooking IslandCustom MirrorsLaundry TubPantryChandelier To Be ReplacedSplit BedroomVaulted Ceiling(s)Volume CeilingsWalk-In Closet(s)Other

Appliances

Electric Water HeaterIce MakerMicrowaveRefrigeratorSelf Cleaning OvenWall OvenWasher

Exterior

Other

Community

None

Other

Ocean AccessCanal FrontCoveredGolf Cart Parking

Nearby Schools

Assigned public schools pulled from Miami-Dade County Public Schools’s official attendance-boundary data. Verify current boundaries with MDCPS before buying — zones can change year to year.

Assigned Public Schools
Elementary
Key Biscayne K-8 Center
Grades PK-8
150 W McIntire St., Key Biscayne 33149
Middle
Ponce de Leon MS
Grades 6-8
5801 Augusto St., Coral Gables 33146
High
Coral Gables Senior High
Grades 9-12
450 Bird Rd., Coral Gables 33146
Private Schools Within 5 Miles
St Christophers - By-The-Sea Montessori School1.0 mi
95 Harbor Dr, Key Biscayne
Key Biscayne Presbyterian School1.0 mi
160 Harbor Dr, Key Biscayne
St Agnes Academy1.0 mi
122 Harbor Dr, Key Biscayne
Immaculata-La Salle High School4.7 mi
3601 S Miami Ave, Miami

School data source: Miami-Dade County Open Data Hub

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Location

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City

Key Biscayne

State

FL

ZIP Code

33149

County

Miami-Dade County

$12,980,000
420 Island Dr, Key Biscayne FL 33149
6Beds
8Baths
6,405Sq Ft
📞 (305) 680-5672

Listing provided by Elena Chacon at BHHS EWM Realty. Data from Miami Association of REALTORS®. All information deemed reliable but not guaranteed. Listing #A11812864.