31 Island Dr

Key Biscayne, FL
$ 9,800,000 Beds 6 Baths 6.5 Sq 5,826 Virtual Tour
Monthly Estimate* How much can I afford?

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.

Active

  • Price
  • $ 9,800,000
  • City
  • Key Biscayne
  • Bedrooms
  • 6
  • Full Bathrooms
  • 6
  • County
  • Miami-Dade
  • Half Bathrooms
  • 1
  • Area
  • 52
  • Lot Size
  • Zip
  • 33149
  • Sqr Footage
  • 5,826
  • Year Built
  • 2004
  • Taxes
  • $ 59203
  • Style
  • MLS#
  • A11782945
Listed By: This listing is courtesy of Gimeza A Real Estate Corp.
Data Source: Southeast Florida MLS (SEFMLS)

Features

General

Sewer Public Sewer
Heating Other
Cooling Central Air,Ceiling Fan(s),Gas,Other
Possession Close Of Escrow
Roof Other
Appliances Dishwasher,Electric Water Heater,Disposal,Gas Range,Microwave,Other,Refrigerator
Garage Spaces 2
Patio/Porch Features Balcony,Open
Architectural Style Contemporary/Modern,Two Story
Pool Features In Ground,Pool
Restrictions No Restrictions,OK To Lease
Construction Materials Block
Pets Allowed Yes
Year Built 2004
View Garden,Pool
Stories Count 2
Levels Two
Property Subtype Single Family Residence
Tax Year 2024
County Miami-Dade
Property Type Residential
Attached Garage true
Subdivision Name CAPE FLORIDA SUB SEC 3
Facing Direction Southwest
Garage Y/N true
Full Baths 6
Special Listing Conditions Listed As-Is
Status Active
Directions Drive to the Village of Key Biscayne. Once on Crandon Blvd look for Knollwood Dr and turn. They turn left on Island Dr and look for the house on the left side.
High School Mast Academy
City Key Biscayne
Disclosures Owner Is Listing Agent
Senior Community Y/N false
Zoning Description 2000
MLS Area 52
Lot Size Units Square Feet
Lot Size Square Feet 19236
Listing Terms Cash,Conventional
Elementary School Keybiscayne
Year Built Details Resale
Tax Annual Amount 59203
Lease Considered Y/N false
Standard Status Active
Occupancy Type Owner
Property Sub Type Additional Single Family Residence
PostalCity Key Biscayne
Legal Description CAPE FLORIDA SUB SEC 3 PB 79-64 LOT 7 BLK 4 LOT SIZE 114.500 X 168 OR 19839-2820 08/2001 1 COC 22542-4691 08 2004 1

Interior Features

Interior Amenities Bedroom on Main Level,Closet Cabinetry,First Floor Entry,Handicap Access,Living/Dining Room,Other,Sitting Area in Primary,Separate Shower,Upper Level Primary
Flooring Ceramic Tile,Hardwood,Marble,Tile,Wood
Furnished Y/N Negotiable
Air Conditioning Y/N true
Half Baths 1
Laundry Features Washer Hookup,Dryer Hookup
Total Bedrooms 6
Total Baths 7

Exterior Features

Exterior Amenities Balcony,Fence,Security/High Impact Doors,Outdoor Grill,Other
Parking Features Attached,Circular Driveway,Garage,Other
Lot Features 1/4 to 1/2 Acre Lot
Water Source Public
Lot Size Area 19236
Building Area Total 6762
Private Pool true
Waterfront Y/N false
Covered Spaces 2
Road Frontage Type City Street

Amenities

  • Foreclosure
  • Views
  • Short Sale
  • New Construction
  • Adult 55+
  • Lease To Own
  • No HOA Fees
  • Furnished
  • Primary On Main
  • Air Conditioning
  • Seller Finance
  • Green
  • Fixer Upper
  • Horse
  • Golf
  • Fireplace
  • Deck
  • Garage
  • Basement
  • Pool

Affordability Calculator

$3,786

Per Month

Based on the average sale price from the Miami Beach, FL office

  • Monthly Principal & interest $2,658
  • Monthly Property Taxes $1,062
  • Monthly Home Insurance $67
Adjust Payment Options
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Let's determine your purchasing power. Working with my mortgage partner, you'll have the information you need to shop for a home with confidence.

Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA, or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

Schools

Elementary School Keybiscayne Elementary School
Middle School Unknown Middle School
High School Mast Academy High School

Price History

10/22/2025 Listed $11,000,000
1/11/2026 7% - $10,200,000
4/29/2026 4% - $9,800,000

Property vs Zip Code Average in 33149

Price
AVG $9.24M
$9.8M
Taxes
AVG $76,969
$59,203
Year Built
AVG 1986
2004

Areas That We Cover

31 Island Dr Key Biscayne, FL is a Single Family Home for sale at $9800000 with 5826 sqft and a lot size of Acre(s). 31 Island Dr Key Biscayne has 6 bedrooms, 6 baths and was built in 2004. The property's zip code is 33149 which is in Key Biscayne, FL

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

All information deemed reliable, but not guaranteed, and should be independently verified. The real estate information and related content displayed on this site is provided 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.