Competitors for 2011 Open Water Swimming Grand Prix
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Guillermo Bértola |  ARG |
OWS | 26 December 1989 |
| Antonella Bogarín | ARG |
OWS | 11 November 1991 |
| Pilar Geijo | ARG |
OWS | 19 September 1984 |
| Esther Núñez |  ESP |
OWS | 5 February 1981 |
| Luciano Sales | ARG |
OWS/SWI | |
| Andrea Volpini |  ITA |
OWS | 6 June 1978 |