The aggregate rating of Crystal Serenity is build on scorse given by the following portals:
| Aug / 24 | Sep / 24 | Oct / 24 | ||
| cruisetimetables.com | 3.0 / 59 | 3.9 / 60 | 3.9 / 60 | |
| cruisemapper.com | 4.0 / 1 | 4.0 / 1 | 4.0 / 1 | |
| cruiseline.com | / | 4.4 / 104 | 4.4 / 104 | |
| cruisecritic.com | 4.6 / 24 | 4.6 / 26 | 4.6 / |
Crystal Serenity is also ranked in:
PointNemo.com