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Properties for sale in Key Biscayne

125,218 available properties
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New
Apartment
Apartment for sale in Key Biscayne, Florida
USD 5,650,000
Key Biscayne, Florida
Equipped kitchenSwimming poolLift

2 days + 3 hours ago

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

Feb 08, 2026

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House
House for sale in Key Biscayne, Florida
USD 4,600,000
Key Biscayne, Florida

3,666 sq.feet

GardenEquipped kitchenSwimming pool

5 days + 3 hours ago

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Apartment
Apartment for sale in Key Biscayne, Florida
USD 33,900,000
Key Biscayne, Florida

1 Bedroom

9,600 sq.feet

TerraceEquipped kitchenParking

1 week + 4 days ago

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Apartment
Apartment for sale in Key Biscayne, Florida
USD 3,750,000
Key Biscayne, Florida

1,830 sq.feet

Equipped kitchenSwimming poolLift

1 week + 5 days ago

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Apartment
Apartment for sale in Key Biscayne, Florida
USD 18,900,000
Key Biscayne, Florida
Equipped kitchenSwimming pool

2 weeks + 2 days ago

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Apartment
Apartment for sale in Key Biscayne, Florida
USD 6,600,000
Key Biscayne, Florida
GardenParkingSwimming pool

2 weeks + 4 days ago

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Apartment
Apartment for sale in Key Biscayne, Florida
USD 1,990,000
Key Biscayne, Florida
PatioGardenGymSwimming pool

3 weeks + 2 days ago

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

1 day + 3 hours ago

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

1 day + 3 hours ago

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Apartment
Apartment for sale in Key Biscayne, Florida
USD 3,795,000
Key Biscayne, Florida

3,186 sq.feet

GardenAccess for people with disabilitiesGymBalconyEquipped kitchenSwimming poolLiftParking

Feb 12, 2026

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

1 day + 3 hours ago

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House
House for sale in Key Biscayne, Florida
USD 3,150,000
Key Biscayne, Florida
TerraceEquipped kitchen

Feb 07, 2026

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

Jan 30, 2026

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

Jan 29, 2026

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House
House for sale in Key Biscayne, Florida
USD 2,950,000
Key Biscayne, Florida

Jan 29, 2026

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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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Updated
Apartment
Apartment for sale in Key Biscayne, Florida
USD 1,096,899
Key Biscayne, Florida

2 Bedrooms

893 sq.feet

TerraceSaunaGymBalconySwimming poolParking

2 days + 3 hours ago

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House
House for sale in Key Biscayne, Florida
USD 13,250,000
USD 13,850,000
4%
Key Biscayne, Florida
GardenParkingSwimming pool

1 week + 3 days ago

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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

Feb 04, 2026

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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

Jan 17, 2026

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

2 Bedrooms

2 Bathrooms

980 sq.feet

1 day + 3 hours ago

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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

1 day + 3 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

1 day + 3 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

1 day + 3 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

1 day + 3 hours ago

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