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
Homes by bedrooms
Homes by property type
Homes by price
Homes by neighborhood
Homes by zip code
- Homes in 33149 Zip Code (141)