| Royal Caribbean | 2 | 3 | Swimwear and bare feet are prohibited in all dining venues at all times. Daytime meals (breakfast, lunch) allow shorts and casual attire. Dinner requires smart casual: dress to impress (collared shirts, dresses, skirts/blouses, or pantsuits are all acceptable); tank tops not permitted. |
| Carnival Cruise Line | 2 | 2 | Smart casual required. No swimwear, tank tops, or cut-offs at dinner. |
| Norwegian Cruise Line | 0 | 0 | Casual in main dining rooms. Smart casual in specialty restaurants. |
| Princess Cruises | 2 | 3 | Smart casual on non-formal nights. |
| Celebrity Cruises | 2 | 3 | Smart casual. Jeans accepted if not torn. |
| Holland America | 2 | 3 | Smart casual required every evening. |
| MSC Cruises | 2 | 3 | Smart casual. Shorts and beachwear not permitted at dinner. |
| Disney Cruise Line | 2 | 2 | Smart casual. No tank tops, swimwear, or cut-offs at dinner. |
| Virgin Voyages | 0 | 0 | No dress code. Smart casual is common by choice. |