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Key Biscayne

Find properties and residential communities in Key Biscayne.

Key Biscayne

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Location.

The pin marks the center of Key Biscayne.

Map data © OpenStreetMap contributors.

Homes for sale in Key Biscayne.

A selection of active listings from the MIAMI REALTORS® / Southeast Florida MLS.

See all homes for sale in Key BiscayneView sold homes in Key Biscayne

IDX display presented by The Costa Group Miami under Fortune Christie's International Real Estate, a licensed Florida real estate brokerage.

Property information is deemed reliable but not guaranteed accurate by the MLS and should be independently verified. Listing data is for consumers' personal, non-commercial use.

Listing data last updated Nov 11, 2026, 3:03 PM.