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.
Property Details
Price:
$10,200,000
MLS #:
A11782945
Status:
Active
Beds:
6
Baths:
6.5
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
CAPE FLORIDA SUB SEC 3
Neighborhood:
capefloridasubsec3
Listed Date:
Apr 12, 2025
Finished Sq Ft:
5,826
Total Sq Ft:
6,762
Year Built:
2004
See this Listing
Schools
Elementary School:
Keybiscayne
High School:
Mast Academy
Interior
Appliances
Dishwasher, Disposal, Electric Water Heater, Microwave, Other Equipment/Appliances, Gas Range, Refrigerator
Bathrooms
6 Full Bathrooms, 1 Half Bathroom
Cooling
Ceiling Fan(s), Central Air, Gas, Other
Flooring
Ceramic Floor, Marble, Tile, Wood
Heating
Other
Interior Features
First Floor Entry, Closet Cabinetry, Other, Den/Library/Office
Laundry Features
Washer/Dryer Hook-Up
Exterior
Accessibility Features
Accessible
Architectural Style
Attached, Two Story, Modern/Contemporary
Attached Garage YN
1
Community Features
Public Road
Construction Materials
Concrete Block Construction
Covered Spaces
2
Direction Faces
Southwest
Exterior Features
Built-In Grill, Open Balcony, Other
Fencing
Fenced
Garage Spaces
2
Lot Features
1/4 To Less Than 1/2 Acre Lot
Open Parking YN
1
Parking Features
Circular Driveway, Other
Patio And Porch Features
Open Balcony
Roof
Other
View
Garden, Pool
Financial
Tax Year
2024
Taxes
$59,203
Map
Community
- Address31 Island Dr Key Biscayne FL
- SubdivisionCAPE FLORIDA SUB SEC 3
- CityKey Biscayne
- CountyMiami-Dade County
- Zip Code33149
Market Summary
Current real estate data for Single Family in Key Biscayne as of Apr 21, 2026
59
Single Family Listed
173
Avg DOM
2,138
Avg $ / SqFt
$8,928,508
Avg List Price
Property Summary
- Located in the CAPE FLORIDA SUB SEC 3 subdivision, 31 Island Dr Key Biscayne FL is a Single Family for sale in Key Biscayne, FL, 33149. It is listed for $10,200,000 and features 6 beds, 7 baths, and has approximately 5,826 square feet of living space, and was originally constructed in 2004. The current price per square foot is $1,751. The average price per square foot for Single Family listings in Key Biscayne is $2,138. The average listing price for Single Family in Key Biscayne is $8,928,508.
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31 Island Dr
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