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6 Beds
7 Baths
5,826 sqft

$9,800,000

31 Island, Key Biscayne FL, 33149

Price per sqft$1,682.11
Built in2004
Property size5,826 sqft
Property typeResidential
Courtesy of Fernando Gimenez with Gimeza A Real Estate Corp.

Overview

Active

Listed Apr 12, 2025

Updated 4 weeks ago

Exceptional Estate in Key Biscayne. Discover an extraordinary opportunity to own a stunning modern residence on over 19,000 sq ft lot—an exceptional find in the heart of Key Biscayne. This expansive property offers a generous backyard, perfect for outdoor living, entertaining, or creating a private oasis where kids can play freely. The home features 6 bedrooms, 6.5 bathrooms, a dedicated office, and high ceilings that enhance the bright, open ambiance. Designed with a sleek, modern aesthetic, the interior boasts luxurious finishes and thoughtful amenities, including a wine cellar, pool, and a 2-car garage. Located on a quiet street, this residence blends privacy with convenience. Experience the best of island living with unparalleled space and style.

$65,200/mo

Est. mortgage payment based on a $9,800,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
A11782945

Interior Features

Bedrooms
6
Bathrooms
7
Cooling
Yes
Heating
Yes
Basement
No

Exterior Features

Lot Size
0.44 Acres

Other Property Details

Taxes
$59,203
Tax Frequency
Annually
Garage
Yes
View
Yes
Pets Allowed
Yes
Pool
Yes
55+/Senior Community
Yes
MLS provider logo

Courtesy of Gimeza A Real Estate Corp., Fernando Gimenez,
Listing Contact: 786-252-4552 

Based on information from Martin County REALTORS of the Treasure Coast, Inc. (RAMC) as of 9/30/2026. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.

©2026 Martin County REALTORS of the Treasure Coast, Inc. All rights reserved.

Data last updated 6:17 PM UTC, 9/30/2026

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