F. Marinos U18: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-04-02 | Shin Miidera | F. Marinos U18 | Yokohama F. M. | — |
| 2025-02-01 | Hiroto Asada | F. Marinos U18 | Yokohama F. M. | — |
| 2023-04-01 | Kotaro Uchino | F. Marinos U18 | Tsukuba Univ. | Free |
| 2023-04-01 | Kosuke Matsumura | F. Marinos U18 | Hosei Univ. | Free |
| 2022-04-01 | Yoshikaze Tsunoda | F. Marinos U18 | Keio Univ. | Free |
| 2022-04-01 | Ryoya Kimura | F. Marinos U18 | Nihon Uni | Free |
| 2022-04-01 | Kosei Suwama | F. Marinos U18 | Tsukuba Univ. | Free |
| 2022-02-01 | Riku Yamane | F. Marinos U18 | Yokohama F. M. | — |
| 2020-07-01 | Takumi Tsukui | F. Marinos U18 | Yokohama F. M. | — |
| 2020-02-01 | Noah Kenshin Browne | F. Marinos U18 | Yokohama F. M. | — |
| 2019-04-01 | Takuto Kimura | F. Marinos U18 | Meiji Uni | Free |
| 2019-02-01 | Naoki Tsubaki | F. Marinos U18 | Yokohama F. M. | — |
| 2017-04-01 | Keigo Tsunemoto | F. Marinos U18 | Meiji Uni | Free |
| 2016-02-01 | Keita Endo | F. Marinos U18 | Yokohama F. M. | — |
| 2014-02-01 | Koya Yuruki | F. Marinos U18 | Monte. Yamagata | Free |
| 2013-04-01 | Keita Endo | F. Marinos Jg | F. Marinos U18 | — |
| 2013-02-01 | Takuya Kida | F. Marinos U18 | Yokohama F. M. | — |
| 2012-02-01 | Ryota Suzuki | F. Marinos U18 | Yokohama F. M. | — |