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Houses for sale in Key Biscayne

43,345 available properties
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New
House
House for sale in Key Biscayne, Florida
USD 3,150,000
Key Biscayne, Florida
TerraceEquipped kitchen

1 day + 20 hours ago

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Updated
Foreclosure
House
House for sale in Key Biscayne, Florida
Request Details
Key Biscayne, Florida

5 Bedrooms

4 Bathrooms

20 hours ago

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House
House for sale in Key Biscayne, Florida
USD 5,495,000
Key Biscayne, Florida
PatioDeckBalconyEquipped kitchenSwimming poolParking

1 week + 3 days ago

7 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 2,950,000
Key Biscayne, Florida

1 week + 3 days ago

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House
House for sale in Key Biscayne, Florida
USD 29,500,000
Key Biscayne, Florida
Office roomEquipped kitchenSwimming pool

Sep 27, 2025

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House
House for sale in Key Biscayne, Florida
USD 11,990,000
Key Biscayne, Florida
SaunaEquipped kitchenParkingSwimming poolLift

Jan 09, 2026

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House
House for sale in Key Biscayne, Florida
USD 14,990,000
USD 15,390,000
3%
Key Biscayne, Florida
TerraceGymDeckEquipped kitchenLift

4 days + 20 hours ago

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House
House for sale in Key Biscayne, Florida
USD 19,800,000
Key Biscayne, Florida
GardenTerraceEquipped kitchenSwimming poolLift

Jan 09, 2026

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House
House for sale in Key Biscayne, Florida
USD 25,900,000
Key Biscayne, Florida

2,566 sq.feet

Equipped kitchenParkingSwimming pool

Jan 07, 2026

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House
House for sale in Key Biscayne, Florida
USD 13,850,000
Key Biscayne, Florida
GardenParkingSwimming pool

Jan 07, 2026

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Updated
Foreclosure
House
House for sale in Key Biscayne, Florida
Request Details
Key Biscayne, Florida

6 Bedrooms

6 Bathrooms

4,132 sq.feet

20 hours ago

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Updated
Foreclosure
House
House for sale in Key Biscayne, Florida
Request Details
Key Biscayne, Florida

4 Bedrooms

3 Bathrooms

2,735 sq.feet

20 hours ago

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Updated
Foreclosure
House
House for sale in Key Biscayne, Florida
Request Details
Key Biscayne, Florida

3 Bedrooms

4 Bathrooms

3,006 sq.feet

20 hours ago

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Updated
Foreclosure
House
House for sale in Key Biscayne, Florida
Request Details
Key Biscayne, Florida

4 Bedrooms

2 Bathrooms

2,314 sq.feet

20 hours ago

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House
House for sale in Key Biscayne, Florida
USD 20,900,000
USD 21,780,000
4%
Key Biscayne, Florida
GardenOffice roomEquipped kitchenParkingSwimming poolLift

Jan 07, 2026

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House
House for sale in Key Biscayne, Florida
USD 8,950,000
USD 9,397,000
5%
Key Biscayne, Florida
Swimming poolEquipped kitchen

Dec 22, 2025

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House
House for sale in Key Biscayne, Florida
USD 8,925,000
Key Biscayne, Florida
GardenTerraceFireplaceAir conditioningSwimming pool

Nov 26, 2025

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New
Apartment
Apartment for sale in Key Biscayne, Florida
USD 11,995,000
Key Biscayne, Florida
Equipped kitchenSwimming pool

20 hours ago

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Updated
Property for sale in Key Biscayne, Florida
Request Details
Key Biscayne, Florida

20 hours ago

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Apartment
Apartment for sale in Key Biscayne, Florida
USD 10,000,000
Key Biscayne, Florida
SecuritySwimming poolParkingCellar

1 week + 2 days ago

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Updated
Apartment
Apartment for sale in Key Biscayne, Florida
USD 1,116,752
Key Biscayne, Florida

2 Bedrooms

893 sq.feet

TerraceSaunaGymBalconySwimming poolParking

20 hours ago

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Apartment
Apartment for sale in Key Biscayne, Florida
USD 3,850,000
Key Biscayne, Florida
FireplaceEquipped kitchenSwimming pool

2 weeks + 2 days ago

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Apartment
Apartment for sale in Key Biscayne, Florida
USD 2,700,000
Key Biscayne, Florida

2,001 sq.feet

Swimming pool

3 weeks + 1 day ago

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Apartment
Apartment for sale in Key Biscayne, Florida
USD 1,189,000
Key Biscayne, Florida
GardenEquipped kitchenSwimming poolParking

Dec 07, 2025

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Apartment
Apartment for sale in Key Biscayne, Florida
USD 2,100,000
USD 2,200,000
5%
Key Biscayne, Florida
TerraceEquipped kitchenSwimming poolParking

Jan 11, 2026

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Apartment
Apartment for sale in Key Biscayne, Florida
USD 1,240,000
Key Biscayne, Florida

2 Bedrooms

1,409 sq.feet

SaunaSwimming pool

Jan 08, 2026

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Updated
Foreclosure
Condo
Condo for sale in Key Biscayne, Florida
Request Details
Key Biscayne, Florida

2 Bedrooms

2 Bathrooms

980 sq.feet

20 hours ago

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Updated
Foreclosure
Condo
Condo for sale in Key Biscayne, Florida
Request Details
Key Biscayne, Florida

2 Bedrooms

2 Bathrooms

1,532 sq.feet

20 hours ago

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Updated
Foreclosure
Condo
Condo for sale in Key Biscayne, Florida
Request Details
Key Biscayne, Florida

2 Bedrooms

2 Bathrooms

1,330 sq.feet

20 hours ago

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Updated
Foreclosure
Condo
Condo for sale in Key Biscayne, Florida
Request Details
Key Biscayne, Florida

2 Bedrooms

2 Bathrooms

1,409 sq.feet

20 hours ago

Property value in Key Biscayne
Average price per sq.feet
USD 8,453/sq.feet
2.5 %
Price evolution on November 2025
7.3 %
Price evolution on December 2024
Average property value
USD 1,900,000

Property value in Key Biscayne by number of bedrooms

USD 15,000 USD 6/sq.feet
Average price of 2 bedrooms Houses for sale with 2 bedrooms
USD 20,000 USD 8/sq.feet
Average price of 3 bedrooms Houses for sale with 3 bedrooms
USD 6,900,000 USD 1,697/sq.feet
Average price of 4 bedrooms Houses for sale with 4 bedrooms
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