Homes for Sale in Key Biscayne, FL

141 homes for sale ยท Updated September 25, 2026

Market snapshot for Key Biscayne, FL

Median price
$2,450,000
Average price
$5,894,155
Highest price
$237,000,000
Avg price / sqft
$1,449/sqft
Avg home size
2,449 sqft
Avg days on market
101
Avg year built
1983
Avg beds / baths
3 bd / 3.4 ba

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