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
Homes by bedrooms
Homes by property type
Homes by price
Homes by neighborhood
Homes by zip code
- Homes in 33149 Zip Code (134)