By Evelina Tsigelnitskaya
Key Biscayne Real Estate Market today. Key Biscayne Real Estate Market Update - current listings for Sale and Rent. 62 homes are offered for sale Key Biscayne. Price from $1,490,000 up to $22,300,000 99 condos and co-ops are offered for sale in Key Biscayne. Price from $249,000 up to $8,499,000 148 rentals in Key Biscayne: single family houses, condos. From $1,475 to $37,000. Key Biscayne is an island located in Miami-Dade County, Florida, United States, between the Atlantic Ocean and Biscayne Bay.