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$9,800,000

  • For Sale
  • Active
  • Single Family
  • 6 Beds
  • 6 Full Baths
  • 1 Partial Bath
  • 5,826 Sq. Ft.
  • Updated 2 days ago

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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.

Full Property Details for 31 Island

General

  • Price: $9,800,000
  • Taxes: $59,203 (2024)
  • Status: Active
  • Type: Single Family
  • Source: Martin_County
  • MLS ID: A11782945
  • Updated: 9/3/2026
  • Added to Site: 511 day(s) ago

Interior

  • Interior Features: Bathtub, Closet Cabinetry, Living/Dining Room, Sitting Area in Primary, Separate Shower, Upper Level Primary
  • Appliances: Some Electric Appliances, Dishwasher, Disposal, Gas Range, Microwave, Refrigerator, Water Heater
  • Flooring: Ceramic Tile, Marble, Wood

Rooms

Bathrooms

  • Total Bathrooms: 7
  • Full Bathrooms: 6
  • Half Bathrooms: 1

Bedrooms

  • Total Bedrooms: 6

Other Rooms

  • Laundry: Washer Hookup

Additional Information

  • Pool: Yes
  • Private Pool: Yes
  • Pool Description: In Ground

Exterior

  • Exterior Features: Balcony, Fence, Outdoor Grill
  • Porch/Patio/Deck: Balcony, Open

Parking

  • Garage: Yes
  • Attached garage: Yes
  • Covered Spaces: 2
  • Total Spaces: 2
  • Parking Features: Attached, Circular Driveway, Garage, Other, See Remarks

Location

  • Area: 2520
  • County: Miami-Dade
  • Subdivision: CAPE FLORIDA SUB SEC 3
  • Driving 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.
  • Direction Faces: Southwest

Community

  • Community Name: 2520
  • Pets Allowed: Yes
  • Adult Community: Yes

Heating & Cooling

  • Central air: Yes
  • Air Conditioning: Yes
  • Cooling Type: Central Air, Ceiling Fan(s), Gas, Other
  • Heating Type: Other

Utilities

  • Sewer: Public Sewer
  • Water: Public
  • Utility Description: Sewer Available, Water Available, Water Connected

Structural Information

  • Property Detached: Yes
  • Construction: Block, Concrete
  • Roof: Other
  • Square Feet: 5,826
  • Living Area: 5,826 Sq. Ft.
  • Year Built: 2004
  • Property Condition: Resale

Lot Features

  • Property View: Garden, Pool
  • Lot Size (Sq. Ft.): 19,236
  • Lot Dimensions: 19236
  • Zoning: 2000

Financial Considerations

  • Tax Amount: $59,203
  • Tax Year: 2024
  • Terms: Cash, Conventional

Disclosures and Reports

  • Special Conditions: Listed As-Is
  • 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
  • Disclosures/Rstr.: Owner Is Listing Agent
  • Property ID: 24-52-05-024-0060

Listed by Gimeza A Real Estate Corp.

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Listing agents

— 31 Island —

  • Gimeza A Real Estate Corp.

  • Gimeza A Real Estate Corp.

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 31 Island

School District:Dade County School District
NameGradesDistance
Key Biscayne K-8 Center
150 West McIntyre Street, Key Biscayne, FL 33149
PK-50.6 mi
Ponce De Leon Middle School
5801 Augusto Street, Coral Gables, FL 33146
6-87.2 mi
Coral Gables Senior High School
450 Bird Road, Coral Gables, FL 33146
9-127.2 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 31 Island Get Price Alerts and Save Property

Date
Details
Price
Change
Source
4/12/2025
Listed
$9,800,000
117.78%
MLS
7/14/2014
Sold
$4,500,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 31 Island

Year
Property Taxes
Change
Tax Assessment
Change
2025
$60,558
2%
$3,813,157
3%
2024
$59,203
1%
$3,705,692
3%
2023
$58,426
4%
$3,597,760
6%
2021
$56,281
—
$3,391,234
-3%
2022
$56,066
—
$3,492,971
4%
2021
$56,281
-9%
$3,344,413
-11%
2019
$61,556
3%
$3,754,684
—
2018
$59,761
-9%
$3,767,491
-8%
2017
$65,827
—
$4,110,029
2%
2016
$65,981
-1%
$4,025,494
1%
2015
$66,958
40%
$3,997,512
42%
2014
$47,978
2%
$2,809,223
1%
2013
$47,059
—
$2,767,708
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 31 Island

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*These costs are estimates, and the interest rates assume exceptional credit standing.

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NMLS#: 1598647

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Listed by Gimeza A Real Estate Corp.

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31 Island, Key Biscayne, FL 33149 (MLS# A11782945) is a Single Family property with 6 bedrooms, 6 full bathrooms and 1 partial bathroom. 31 Island is currently listed for $9,800,000 and was received on April 12, 2025. Want to learn more about 31 Island? Do you have questions about finding other Single Family real estate for sale in Key Biscayne? You can browse all Key Biscayne real estate or contact a Coldwell Banker agent to request more information.

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