$9,800,000
31 Island Dr
Key Biscayne, FL, 33149
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:
$9,800,000
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
Schools
Elementary School:
Keybiscayne
High School:
Mast Academy
Interior
Appliances
Dishwasher, Disposal, Electric Water Heater, Gas Range, Microwave, Other Equipment/Appliances, 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
Mortgage Calculator
Map
Current real estate data for Single Family in Key Biscayne as of Nov 14, 2026
45
Single Family Listed
157
Avg DOM
2,593
Avg $ / SqFt
$14,297,711
Avg List Price
Community
- Address31 Island Dr Key Biscayne FL
- SubdivisionCAPE FLORIDA SUB SEC 3
- CityKey Biscayne
- CountyMiami-Dade County
- Zip Code33149
Subdivisions in Key Biscayne
- 155 SUNRISE CONDO
- 32 54 42 & 5 55 42,TORPICAL HOMES
- 325 FERNWOOD ROAD CONDO
- 544-548 FERNWOOD CONDO
- 596 Fernwood
- BAHAMA HOUSE SOUTH CONDO
- BAHAMA HOUSE SOUTH CONDO,KEY CASSA
- BAHIA MAR CONDO OF KEY BI
- BISCAYNE KEY ESTATES
- BISCAYNE KEY ESTATES SUB
- BLUE PELICAN CONDO
- CAPE FLA CLUB CONDO CLUST
- CAPE FLA SUB SEC 2
- CAPE FLORIDA CLUB CONDO
- CAPE FLORIDA CLUB CONDO P
- CAPE FLORIDA CLUB CONDO PCAPE FLORIDA CLUB CO
- CAPE FLORIDA SUB SEC 1
- CAPE FLORIDA SUB SEC 3
- CAPE FLORIDA SUB SEC 3,Village Estate
- CASA DEL MAR CONDO
- CASA DEL MAR CONDO,CASA DEL MAR
- CASA DEL MAR CONDOCASA DEL MAR
- CAY POLYNESIA CONDO
- CAY POLYNESIA CONDO,Cay Polynesia
- CLUB TOWER ONE CONDO
- CLUB TOWER ONE CONDO,THE OCEAN CLUB
- CLUB TOWER THREE CONDO
- CLUB TOWER TWO CONDO
- COMMODORE CLUB EAST
- COMMODORE CLUB SOUTH COND
- COMMODORE CLUB SOUTH CONDCommodore Club South
- COMMODORE CLUB WEST CONDO
- COMMODORE CLUB WEST CONDO,COMMODORE CLUB
- COMMODORE CLUB WEST CONDO,COMMODORE CLUB WEST
- COMMODORE CLUB WEST CONDOCommodore Club West
- CRANDON TOWER CONDO
- G B RESORT CONDO HOTEL
- G B VILLAS
- GALEN BREAKERS CONDO
- GALEN BREAKERS CONDOMINIU,Galen Breakers
- GALEN DRIVE CONDO APTS
- GARDENS OF KEY BISCAYNEGARDENS OF KEY BISCA
- GDNS OF KEY BISC – ALHAMBGARDENS OF KEY BISCA
- GDNS OF KEY BISC-ALHAMBRA
- GOVERNORS LODGE ASSOC CON
- GRAND BAY RESIDENCES COND
- GRAND BAY RESIDENCES COND,GRAND BAY
- GRAND BAY RESIDENCES CONDGrand Bay
- GRAND BAY RESIDENCES CONDGRAND BAY RESIDENCES
- GRAND BAY TOWER CONDO
- GRAND BAY TOWER CONDOGRAND BAY RESORT AND
- GRAPETREE TOWNHOUSE CONDO
- HOLIDAY COLONY
- HURRICANE COVE
- INDIES CONDO
- ISLAND BREAKERS CONDO
- ISLAND BREAKERS CONDOISLAND BREAKERS COND
- ISLAND HOUSE
- ISLAND HOUSE APT INC – CO
- KEY BISC AMBASSADOR CONDO
- KEY BISC AMBASSADOR CONDOKEY BISC AMBASSADOR
- KEY BISCAYNE COMMODORE CL
- KEY BISCAYNE COMMODORE CLCOMMODORE CLUB EAST
- KEY BISCAYNE VI CONDO
- KEY BISCAYNE VI CONDOKEY BISCAYNE VI COND
- KEY BISCAYNES COMMODORE C
- KEY COLONY
- KEY COLONY NO 1
- KEY COLONY NO 1Key Colony
- KEY COLONY NO 1Tidemark
- KEY COLONY NO 2 CONDO
- KEY COLONY NO 2 CONDO,KEY COLONY NO 2 COND
- KEY COLONY NO 2 CONDOKey Colony
- KEY COLONY NO 2 CONDOKEY COLONY NO 2 COND
- KEY COLONY NO 2 CONDOKEY COLONY OCEANSOUN
- KEY COLONY NO 4 CONDO
- KEY COLONY NO 4 CONDO,KEY COLONY NO 4 COND
- KEY COLONY NO 4 CONDOKEY COLONY CONDO #4
- KEY COLONY NO 4 CONDOKEY COLONY NO 4 CO
- KEY ISLANDER CONDO
- Key Islander CondominiumKey Islander Condomi
- LAKE TOWER CONDO
- LAKE TOWER CONDOLake Tower
- LAKE TOWER CONDOThe Ocean Club
- LAKE VILLA ONE CONDO,The Ocean Club
- LAKE VILLA THREE CONDO
- LAKE VILLA TWO CONDO
- LAKE VILLA TWO CONDOThe Ocean Club
- LE PHARE KEY BISCAYNE CON
- MAR-AZUL CONDO
- MASHTA ISLAND
- MASHTA ISLAND A REPLAT OF
- MASHTA POINT SUB
- MATHESON ESTATES,MATHESON STATES
- OCEAN LANE PLAZA CONDO
- OCEAN LANE PLAZA CONDO,OCEAN LANE PLAZA CON
- OCEAN TOWER ONE CONDO
- OCEAN TOWER ONE CONDOOCEAN TOWER ONE COND
- OCEAN TOWER TWO CONDO
- OCEAN TOWER TWO CONDO,THE OCEAN CLUB
- OCEAN TOWER TWO CONDOTHE OCEAN CLUB
- OCEAN VILLAGE CONDO
- OCEANA KEY BISCAYNE CONDO
- OCEANA KEY BISCAYNE CONDO,OCEANA KEY BISCAYNE
- OCEANA KEY BISCAYNE CONDOOCEANA KB
- OCEANA KEY BISCAYNE CONDOOCEANA KEY BISCAYNE
- RESORT VILLA ONE CONDO,RESORT VILLA ONE CON
- RESORT VILLA ONE CONDORESORT VILLA ONE
- RESORT VILLA TWO CONDO
- RESORT VILLA TWO CONDOTHE OCEAN CLUB
- SANDS OF KEY BISCAYNE CON
- SANDS OF KEY BISCAYNE CON,SANDS OF KEY BISCAYN
- SMUGGLERS COVE
- SOLIMAR CONDO OF KEY BISC
- SUNRISE CLUB CONDO
- SUNRISE CLUB CONDO,100 SUNRISE
- SUNRISE MANOR CONDO
- THE EMERALD BAY
- THE EMERALDBAY @ KEY COLO
- THE EMERALDBAY @ KEY COLO,KEY COLONY
- THE EMERALDBAY @ KEY COLOKEY COLONY
- THE EMERALDBAY @ KEY COLON,KEY COLONY
- THE EMERALDBAY @ KEY COLOTHE EMERALD BAY
- THE EMERALDBAY @ KEY COLOTHE EMERALDBAY @ KEY
- THE PALMS OF KEY BISCAYNE
- THE PALMS OF KEY BISCAYNE,The palms of keybis.
- THE PALMS OF KEY BISCAYNEPalms of Key Biscayn
- THE PYRAMIDS @ KEY BISCAY
- TOWERS OF KEY BISCAYNE CO
- TOWERS OF KEY BISCAYNE CO,The Towers of Key Bi
- TOWERS OF KEY BISCAYNE COTowers Key Biscayne
- TOWERS OF KEY BISCAYNE COTOWERS OF KEY BISCAY
- TROPICAL ISLE HOMES RESUB
- TROPICAL ISLE HOMES SUB
- TROPICAL ISLE HOMES SUB 1
- TROPICAL ISLE HOMES SUB 2N
- TROPICAL ISLE HOMES SUB 3
- TROPICAL ISLE HOMES SUB 4
- TROPICAL ISLE HOMES SUB 4,KEY COLONY
- TROPICAL ISLES HOMESTROPICAL ISLE HOMES
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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 $9,800,000 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 $1,682. The average price per square foot for Single Family listings in Key Biscayne is $2,593. The average listing price for Single Family in Key Biscayne is $14,297,711.
31 Island Dr
Key Biscayne, FL