Men's Tournament
Winner
| Semifinals | Finals |
|---|---|
| RIP SD | |
August 26, 2018 2-0  | |
| RIP SD | |
August 26, 2018 2-0  | |
| LA Wizards | |
| RIP LA | |
August 26, 2018 2-0  | |
| RIP LA | |
| Colima |
Group Stage
| Pos | Team | P | W | L | SW | SL | SDIFF | GF | GA | DIFF |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | RIP SD | 4 | 4 | 0 | 8 | 0 | 8 | 191 | 99 | 92 |
| 2 | RIP LA | 4 | 4 | 0 | 8 | 1 | 7 | 164 | 111 | 53 |
| 3 | Colima | 5 | 3 | 2 | 6 | 5 | 1 | 132 | 130 | 2 |
| 4 | LA Wizards | 5 | 2 | 3 | 6 | 6 | 0 | 146 | 143 | 3 |
| 5 |  SF Oilers | 5 | 1 | 4 | 2 | 8 | -6 | 104 | 139 | -35 |
| 6 |  LA Sandsharks | 5 | 0 | 5 | 0 | 10 | -10 | 88 | 203 | -115 |
* RIP vs. LA RIP group match was cancelled to accommodate the schedule
Women's Tournament
Winner
| Semifinals | Final |
|---|---|
| Spin & Tonic | |
August 26, 2018 2-0  | |
| Spin & Tonic | |
August 26, 2018 2-0 | |
| American Samoa U18 | |
| CalHeat Frost | |
August 26, 2018  0-2 | |
| RIP LA | |
| RIP LA |
Group Stage
| Pos | Team | P | W | L | SW | SL | SDIFF | GF | GA | DIFF |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Spin & Tonic | 4 | 4 | 0 | 8 | 0 | 8 | 144 | 61 | 83 |
| 2 | CalHeat Frost | 4 | 3 | 1 | 6 | 3 | 3 | 66 | 78 | -12 |
| 3 | RIP LA | 4 | 2 | 2 | 4 | 6 | -2 | 58 | 91 | -33 |
| 4 | American Samoa U18 | 4 | 1 | 3 | 3 | 7 | -4 | 78 | 85 | -7 |
| 5 |  SF Blaze | 4 | 0 | 4 | 3 | 8 | -5 | 58 | 89 | -31 |