By Bus or Metro: Take the red line of the Dubai Metro to Jabal Ali Station, and then cross the street via the footbridge. To reach the Bluewaters Island 1 stop, take bus route F57 from the stop adjacent to the landside statnion entry. The distance to Ain Dubai is just ten minutes on foot from here.
Another option is to use the DMCC Metro Station, which is on the Red Line of the Dubai Metro. After a fifteen-minute stroll to the Dubai Marina Mall Marine Transport Station, take the water taxi BM3 to Bluewaters Marine Transport Station; from Ain Dubai, it's just a ten-minute stroll.