The canton Marignane has 7 communes.
| Code | Name | Population ▼ |
|---|---|---|
| 13054 | Marignane | 33 692 |
| 13026 | Châteauneuf-les-Martigues | 18 455 |
| 13043 | Gignac-la-Nerthe | 10 343 |
| 13104 | Sausset-les-Pins | 7 574 |
| 13033 | Ensuès-la-Redonne | 5 757 |
| 13021 | Carry-le-Rouet | 5 702 |
| 13088 | Le Rove | 5 246 |