Marlins Roster & Staff
Transactions
| Date | Transaction |
| 03/31/24 | Miami Marlins sent RHP Edward Cabrera on a rehab assignment to Jacksonville Jumbo Shrimp. |
| 03/31/24 | Miami Marlins optioned RHP Declan Cronin to Jacksonville Jumbo Shrimp. |
| 03/31/24 | Miami Marlins selected the contract of RHP Vladimir Gutierrez from Jacksonville Jumbo Shrimp. |
| 03/28/24 | Miami Marlins placed RHP Edward Cabrera on the 15-day injured list retroactive to March 25, 2024. Right shoulder impingement. |
| 03/28/24 | Miami Marlins placed LHP Josh Simpson on the 15-day injured list retroactive to March 25, 2024. Left elbow ulnar neuritis. |
| 03/28/24 | Miami Marlins placed RHP Eury Pérez on the 15-day injured list retroactive to March 25, 2024. Right elbow inflammation. |
| 03/28/24 | Miami Marlins placed SS Xavier Edwards on the 10-day injured list retroactive to March 25, 2024. Left foot infection. |
| 03/28/24 | Miami Marlins activated RHP Max Meyer. |
| 03/28/24 | Miami Marlins placed RHP JT Chargois on the 15-day injured list retroactive to March 25, 2024. Neck spasms. |
| 03/28/24 | Miami Marlins placed LHP Braxton Garrett on the 15-day injured list retroactive to March 25, 2024. Left shoulder impingement. |
| 03/28/24 | Miami Marlins recalled 3B Jonah Bride from Jacksonville Jumbo Shrimp. |
| 03/28/24 | Miami Marlins recalled RHP Max Meyer from Jacksonville Jumbo Shrimp. |
| 03/27/24 | Tampa Bay Rays traded CF Shane Sasaki to Miami Marlins. |
| 03/27/24 | Miami Marlins optioned RHP Anthony Maldonado to Jacksonville Jumbo Shrimp. |
| 03/27/24 | Miami Marlins optioned RHP Calvin Faucher to Jacksonville Jumbo Shrimp. |
| 03/27/24 | Miami Marlins traded 2B Jon Berti to New York Yankees for CF John Cruz. |
| 03/27/24 | Miami Marlins traded 2B Jon Berti to New York Yankees for CF John Cruz. |
| 03/27/24 | Tampa Bay Rays traded RHP Burch Smith to Miami Marlins for cash. |
| 03/26/24 | Miami Marlins placed RHP Huascar Brazoban on the restricted list. |
| 03/25/24 | Miami Marlins placed RHP Edward Cabrera on the 15-day injured list. Right shoulder impingement. |
| 03/24/24 | OF Tanner Allen assigned to Miami Marlins. |
| 03/24/24 | RHP Edgar Sanchez assigned to Miami Marlins. |
| 03/24/24 | 1B Zach Zubia assigned to Miami Marlins. |
| 03/23/24 | 3B Sean Roby assigned to Miami Marlins. |
| 03/22/24 | Miami Marlins activated RHP Sixto Sánchez. |
| 03/22/24 | Miami Marlins optioned OF Dane Myers to Jacksonville Jumbo Shrimp. |
| 03/20/24 | RHP Euri Montero roster status changed by Miami Marlins. |
| 03/20/24 | C Carmine Lane assigned to Miami Marlins. |
| 03/20/24 | RF Kyler Castillo assigned to Miami Marlins. |
| 03/19/24 | CF Renny Hidalgo assigned to Miami Marlins. |
| 03/19/24 | C Hudson Livesey assigned to Miami Marlins. |
| 03/18/24 | 3B Nic Ready assigned to Miami Marlins. |
| 03/18/24 | 3B Nic Ready roster status changed by Miami Marlins. |
| 03/18/24 | C Sam Praytor assigned to Miami Marlins. |
| 03/17/24 | SS Fabian Lopez assigned to Miami Marlins. |
| 03/17/24 | OF Andres Valor assigned to Miami Marlins. |
| 03/17/24 | SS Junior Sanchez assigned to Miami Marlins. |
| 03/17/24 | 1B Angelo DiSpigna assigned to Miami Marlins. |
| 03/17/24 | 1B Torin Montgomery assigned to Miami Marlins. |
| 03/13/24 | LHP Luis Palacios assigned to Miami Marlins. |
| 03/12/24 | 3B Josh Zamora assigned to Miami Marlins. |
| 03/12/24 | SS Carlos Santiago assigned to Miami Marlins. |
| 03/12/24 | Miami Marlins optioned RHP Max Meyer to Jacksonville Jumbo Shrimp. |
| 03/11/24 | Miami Marlins reassigned OF Victor Mesa Jr. to the minor leagues. |
| 03/11/24 | C Joe Mack assigned to Miami Marlins. |
| 03/11/24 | OF Dalvy Rosario assigned to Miami Marlins. |
| 03/11/24 | RHP Josan Méndez assigned to Miami Marlins. |
| 03/11/24 | OF Jorge Caballero assigned to Miami Marlins. |
| 03/11/24 | Miami Marlins designated SS Jacob Amaya for assignment. |
| 03/11/24 | Miami Marlins optioned SS Jacob Amaya to Jacksonville Jumbo Shrimp. |
| 03/11/24 | Miami Marlins optioned OF Victor Mesa Jr. to Jacksonville Jumbo Shrimp. |
| 03/11/24 | Miami Marlins optioned RHP Roddery Muñoz to Jacksonville Jumbo Shrimp. |
| 03/11/24 | Miami Marlins optioned 3B Jonah Bride to Jacksonville Jumbo Shrimp. |
| 03/10/24 | C Jan Mercado assigned to Miami Marlins. |
| 03/10/24 | OF Jake DeLeo assigned to Miami Marlins. |
| 03/10/24 | SS Cristhian Rodriguez assigned to Miami Marlins. |
| 03/10/24 | SS Jonathan Guzman assigned to Miami Marlins. |
| 03/10/24 | Miami Marlins signed free agent RHP Mychal Givens to a minor league contract. |
| 03/10/24 | C Jan Mercado roster status changed by Miami Marlins. |
| 03/10/24 | OF Chase Luttrell assigned to Miami Marlins. |
| 03/10/24 | C Andrew Fernandez assigned to Miami Marlins. |
| 03/05/24 | Miami Marlins optioned RHP Darren McCaughan to Jacksonville Jumbo Shrimp. |
| 03/03/24 | SS Osiris Johnson assigned to Miami Marlins. |
| 03/03/24 | C Cameron Barstad assigned to Miami Marlins. |
| 03/03/24 | SS Brett Roberts assigned to Miami Marlins. |
| 03/03/24 | SS Yiddi Cappe roster status changed by Miami Marlins. |
| 03/03/24 | LHP Evan Taylor assigned to Miami Marlins. |
| 03/03/24 | 3B Johnny Olmstead assigned to Miami Marlins. |
| 03/03/24 | 2B JT Mabry assigned to Miami Marlins. |
| 03/03/24 | 3B Jake Thompson assigned to Miami Marlins. |
| 03/03/24 | RHP Breidy Encarnación roster status changed by Miami Marlins. |
| 03/03/24 | SS Yiddi Cappe assigned to Miami Marlins. |
| 03/03/24 | RHP Breidy Encarnación assigned to Miami Marlins. |
| 03/02/24 | SS Jordan McCants assigned to Miami Marlins. |
| 03/01/24 | SS Jesus Hernandez assigned to Miami Marlins. |
| 03/01/24 | OF Kemp Alderman assigned to Miami Marlins. |