Homes for Sale in Key Biscayne, FL

166 homes for sale ยท Updated August 12, 2026

Market snapshot for Key Biscayne, FL

Median price
$2,500,000
Average price
$6,060,976
Highest price
$237,000,000
Avg price / sqft
$1,420/sqft
Avg home size
2,609 sqft
Avg days on market
116
Avg year built
1985
Avg beds / baths
3.1 bd / 3.5 ba

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