CC Mariners U20 (): every transfer in and out, fees paid and earned, and the market value of the squad.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2024-01-01 | Ben Mewett | CC Mariners U20 | CCM Academy | — |
| 2017-07-01 | Lewis Miller | CC Mariners U20 | Mariners FC | Free |
| 2017-01-01 | Lewis Miller | Sydney FC U20 | CC Mariners U20 | Free |