The aggregate rating of Costa Serena is build on scorse given by the following portals:
| Aug / 24 | Sep / 24 | Oct / 24 | ||
| cruisetimetables.com | 3.0 / 52 | 3.6 / 52 | 3.6 / 52 | |
| cruisemapper.com | 4.0 / 1 | 4.0 / 1 | 4.0 / 1 | |
| cruiseline.com | / | 2.9 / 39 | 2.9 / 39 | |
| cruisedirect.com | 3.7 / 6 | 3.67 / 6 | 3.67 / 6 |
Costa Serena is also ranked in:
PointNemo.com