The aggregate rating of Marella Explorer 2 is build on scorse given by the following portals:
| Aug / 24 | Sep / 24 | Oct / 24 | ||
| cruisetimetables.com | 3.0 / 51 | 3.8 / 53 | 3.8 / 55 | |
| cruisemapper.com | 4.0 / 1 | 4.0 / 1 | 4.0 / 1 | |
| cruiseline.com | 4.3 / 29 | 4.3 / 29 | 4.3 / 29 | |
| cruisecritic.com | 3.5 / 130 | 3.5 / 131 | 3.5 / |
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