2018 Rio Vista Bass Derby Winners
Increased awards where made possible by Bank of Stockton & Trilogy/Shea Homes, Rio Vista
| Striped Bass- target 30.5″ | Length | Weight | |
| 1st | Carlton King | 30.21 | 11.2 |
| 2nd | Don Sysengchanh | 29.9 | 12.4 |
| 3rd | Michael Parker | 29.77 | 10.1 |
| John Webb | 29.72 | 9.1 | |
| Ricky Ring | 28.17 | 8.8 | |
| Jason Polancheck | 19.86 | 3.1 | |
| Salmon | Weight | ||
| 1st | Brian Lablo | 16.1 | |
| 2nd | James Fisher | 15.9 | |
| 3rd | John Woods | 15.6 | |
| Nathan Hogge | 15.1 | ||
| Brian Figuroa | 14.1 | ||
| Daniel Fountain | 13 | ||
| Sturgeon- target 53″ | Length | Weight | |
| 1st | John Woodring | 46.1 | 32.3 |
| 2nd | Jim Francis | 43.28 | 23.8 |
| Kids | |||
| Striped Bass | Length | Weight | |
| 1st | Henschel, Jesse | 22.91 | 4.4 |
| 2nd | Meyers, Wyatt | 22.86 | 4.8 |
| 3rd | Holt, Carson | 18.25 | 2.5 |
| Salmon | Weight | ||
| 1st | Jackson | 8.3 | |
| Catfish | Length | Weight | |
| 1st | Emiliano Martiniez | 7.5 | |
| 2nd | Jason Davis | 19.98 | 2.7 |
| 3rd | Talon Davis | 19.78 | 2.7 |
| 4th | Gonzales, Tyler | 12.18 | 1 |
| 5th | Gonzales, Dylan | 9.75 | 0.5 |
| 6th | Nathan Tritt | 0.5 |