| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Female | |
| Full name | Mariko•Sakai | |
| Used name | Mariko•Sakai | |
| Original name | 酒井•麻里子 | |
| Born | 3 December 1990 in Glen Rock, New Jersey |  USA |
| Measurements | 165 cm / 54 kg | |
| Affiliations | Tokyo Synchro Club, Tokyo, JPN | |
| NOC | Japan |  JPN |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2012 Summer Olympics | Artistic Swimming (Aquatics) | JPN |
Mariko Sakai | |||
| Team, Open (Olympic) | Japan | 5 |
