Homes for Sale in Key Biscayne, FL

134 homes for sale ยท Updated November 9, 2026

Market snapshot for Key Biscayne, FL

Median price
$2,435,000
Average price
$6,220,674
Highest price
$237,000,000
Avg price / sqft
$1,494/sqft
Avg home size
2,564 sqft
Avg days on market
95
Avg year built
1984
Avg beds / baths
3.1 bd / 3.5 ba

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