Lake Isabella Fishing Derby 2025. Crappie fishing is fair to good in deeper water around offshore structure with minijigs or. (kero) — the isabella lake fishing derby is taking place from march 23 through march 25 and features the chance to win cash prizes.

It is one of the largest trout derby’s in the state, with over $76,000 in possible. A happy isabella lake fishing derby contestant shows off a $100 winner.