| Roles | Competed in Olympic Games |
|---|---|
| Sex | Female |
| Full name | Marina•Mariutti Arndt |
| Used name | Marina•Arndt |
| Born | 20 April 2001 in São Paulo, São Paulo (BRA) |
| NOC |  Brazil |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2024 Summer Olympics | Sailing | BRA |
Marina Arndt | |||
| Multihull, Mixed (Olympic) | João Siemsen | 9 |
