The 2020 South Island Wakeboarding Championships was held at Lake Ruataniwha on 25 January 2020.
Official results:
Grommets Boys (9-10)
| Name | Total Points | Placing |
| Nikau Matiu Ford | 91 | 1 |
Grommets Girls (9-10)
| Name | Total Points | Placing |
| Mikaela Ring | 91 | 1 |
Junior Girls (11-14)
| Name | Total Points | Placing |
| Natalie Rivett | 62 | 1 |
| Deja Holder Lyon | 44 | 2 |
Junior Men (15-18)
| Name | Total Points | Placing |
| Dagan Welsford | 88 | 1 |
| Ethan Ring | 55 | 2 |
Mixed Men (19-29)
| Name | Total Points | Placing |
| Nikolas Nilsson | 73.34 | 1 |
| Ben Knudsen | 54.99 | 2 |
| Michael Dobb | 49.66 | 3 |
| James Storer | 42.35 | 4 |
| Luke Mcgoldrick | 40.33 | 5 |
| James Newfield | 33.01 | 6 |
Masters Men (30-40)
| Name | Total Points | Placing |
| Kurt Noldan | 66 | 1 |
| Simon Norton | 44 | 2 |
| Paul Hughes | 33 | 3 |
| Todd Dalzell | 11 | 4 |
Veteran Men (40+)
| Name | Total Points | Placing |
| Toby Muir | 55 | 1 |
| Corey Ford | 44 | 2 |
Open Women
| Name | Total Points | Placing |
| Andrea Lilley | 46 | 1 |
| Deanna Hawker | 44 | 2 |
Open Men
| Name | Total Points | Placing |
| Tony Evans | 90 | 1 |
| Regan Carlyon | 88 | 2 |
| Craig Allchurch | 79 | 3 |
| Nick Beale | 77 | 4 |
| Chris Jackson | 55 | 5 |
| Angus Gray | 47.67 | 6 |
Novice Junior
| Name | Total Points | Placing |
| Caleb Ford | 90 | 1 |
Novice Senior
| Name | Total Points | Placing |
| Juan Miguel Brocca | 64.34 | 1 |
| Natalie Ring | 59 | 2 |
| Brian Giltinan | 55 | 3 |
| Cassie Fortune | 44 | 4 |
- Youngest Rider: Nikau Matiu Ford