| Date | 9 – 14 October 2018 | |
|---|---|---|
| Status | YOG | |
| Location | Club Náutico San Isidro, San Isidro, Buenos Airea | |
| Participants | 12 from 12 countries | |
| Format | Seven races, with points-for-place scoring. Two worst scoring races eliminated from final points score. | |
| Pos | Competitor | NOC | Points | Gross Points | Race #1 | Race #2 | Race #3 | Race #4 | Race #5 | Race #6 | Medal Race | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Sofia Tomasoni |  ITA | 12 | 27 | 3 (3) | 2 (2) | 4 (4) | 3 (3) | 8 (8) | 7 (=7) | 1 (1) | Gold | ||
| =2 | Poema Newland |  FRA | 16 | 40 | 5 (5) | [12] ( | 12 ( | 2 (2) | 7 (=7) | 2 (2) | 2 (=2) | Silver | ||
| =2 | Nina Font |  ESP | 13 | 26 | 1 (1) | 6 (6) | 6 (6) | 7 (7) | 2 (2) | 4 (4) | 2 (=2) | Silver | ||
| 4 | Alina Kornelli |  GER | 4 | 13 | 8 (8) | 1 (1) | 1 (1) | 1 (1) | 1 (1) | 1 (1) | 4 (4) | |||
| 5 | Ona Romani |  ARG | 16.8 | 34.8 | 2 (2) | 9 (9) | 3 (3) | 9 (=9) | 5.8 (5) | 6 (6) | 5 (5) | |||
| 6 | Chen Jingyue |  CHN | 16 | 34 | 7 (7) | 8 (8) | 2 (2) | 4 (4) | 10 (10) | 3 (3) | 6 (6) | |||
| 7 | Oliwia Hłobuczek |  POL | 19 | 33 | 4 (4) | 3 (3) | 7 (7) | 5 (5) | 7 (=7) | 7 (=7) | 7 (7) | |||
| 8 | María Álvarez |  VEN | 22 | 44 | 10 (10) | 4 (=4) | 12 ( | 9 (=9) | 4 (4) | 5 (5) | 8 (8) | |||
| 9 | Paula Herrmann |  DOM | 24 | 42 | 6 (6) | 4 (=4) | 9 (9) | 6 (6) | 9 (9) | 8 (9) | – | |||
| 10 | Dorothy Gouws |  RSA | 30 | 54 | 9 (9) | 7 (7) | 5 (5) | [12] ( | 12 ( | 9 (=10) | – | |||
| 11 | Nichanan Rodthong |  THA | 31.5 | 54.5 | 11 (11) | 10.5 (10) | 8 (8) | 12 ( | 3 (3) | 10 (12) | – | |||
| 12 | Pia Gordon |  NZL | 43 | 67 | 12 ( | 11 (11) | 11 (10) | [12] ( | 12 ( | 9 (=10) | – |
