Explore Middle Keys Florida Middle Keys Florida Zip Code Map 33001 Homes for Sale 14 33036 Homes for Sale 139 33037 Homes for Sale 298 33040 Homes for Sale 450 33042 Homes for Sale 198 33043 Homes for Sale 104 33050 Homes for Sale 302 33051 Homes for Sale 74 33070 Homes for Sale 116