| Royal Caribbean International | Casual most nights, plus 1 to 4 “Dress Your Best” evenings- — Casual: jeans, polos, sundresses, blouses. Shorts are fine for breakfast and lunch; swimwear stays on the pool deck.
- — Smart Casual: collared shirts, dresses, skirts, pantsuits. Jackets and blazers welcome.
- — Dress Your Best is black-tie level — suits and ties, tuxedos, cocktail dresses or gowns.
- — How many: one on a 5-night, two on 6–10 nights, three on 11–14, three or four on 15+. The ship decides.
- — Bare feet are never allowed in the main dining room or specialty venues.
| Checked 2026-09-21 |
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| Carnival Cruise Line | Cruise Casual, with Cruise Elegant evenings- — Carnival frames it around your itinerary and climate rather than a strict rule.
- — The page we read is a planning guide, not the formal policy, so we have not recorded a venue-by-venue rule.
| Checked 2026-09-21 |
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| Norwegian Cruise Line | Cruise casual, and no mandatory formal nights- — Smart casual applies in the upscale dining venues.
- — Norwegian states plainly that there are no compulsory formal nights — you can dress up if you want to.
| Checked 2026-09-21 |
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| Celebrity Cruises | Casual chic, with Smart Casual in the evening- — Around the ship: resort wear, sundresses, shorts, polos, button-downs, sandals or loafers.
- — In main and specialty dining Celebrity asks you to leave out swimsuits, see-through coverups, robes, bare feet, tank tops, T-shirts and baseball caps.
- — Poolside: swimwear with a coverup is expected.
| Checked 2026-09-21 |
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| Princess Cruises | Casual most nights, with a number of formal dining nights- — On formal nights the dress code is observed: evening gowns, cocktail dresses, tuxedos, suits, or a dinner jacket with slacks.
- — Wrinkle-free fabric is recommended for packing.
- — The page we read is Princess's packing guide, so we have not recorded the venue-by-venue rule.
| Checked 2026-09-21 |
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| MSC Cruises | Casual by day, a more polished look in the evening, plus Gala Night- — Shorts and T-shirts are fine during the day.
- — Evening in the main dining rooms, specialty restaurants, theater and bars: collared shirts, tailored trousers or shorts, skirts, dresses.
- — Swimwear is never allowed in a formal dining venue, including at breakfast and lunch. Shorts, flip-flops and tank tops are restricted too.
- — Theme parties run through the cruise — the White Party and the Sunshine Party among them.
| Checked 2026-09-21 |
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| Holland America Line | Smart casual in the dining rooms, with Dressy Nights- — Dining rooms require shirts or cover-ups and footwear indoors. Smart casual attire is appropriate.
- — Shorts, beachwear, tank tops and distressed jeans are not permitted in table service restaurants.
- — Pack cocktail attire for Dressy Nights.
- — Orange clothing or accessories are suggested for the Orange Party.
| Checked 2026-09-21 |
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| Disney Cruise Line | Cruise casual in most venues; swimwear and tank tops are not permitted- — Dinner: khakis, slacks or smart jeans with a collared or polo shirt, or a dress, skirt and top. Shorts and T-shirts are allowed.
- — Shorter sailings have an optional dress-up night and a themed deck party.
- — Longer sailings add one formal and one semi-formal night, both optional.
- — The adults-only restaurants (18 and over) ask for formal or semi-formal, or a polished dress-casual look.
| Checked 2026-09-21 |
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| Virgin Voyages | No formal nights and no strict dress code- — Virgin states it does not do formal nights and asks only that you keep other Sailors' comfort in mind.
- — Dress up or stay casual — the line explicitly leaves it to you.
| Checked 2026-09-21 |
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| Viking | Casual by day, “elegant casual” in the evening, and no formal nights- — Daytime: shorts, slacks or jeans, with comfortable shoes for walking tours.
- — Swimwear, cover-ups, robes and exercise attire belong in the fitness, pool and spa areas only.
- — Evening “elegant casual” applies to all dining venues, performances and special events. Ladies: a dress, skirt or slacks with a sweater or blouse. Gentlemen: trousers and a collared shirt.
- — A tie and jacket are optional. Jeans are not permitted in the evening.
- — The World Café is the exception — dress stays casual there after 6:00 PM, jeans and boots included.
- — On polar expeditions the onboard dress code is more casual, and a detailed packing list is provided.
| Checked 2026-09-21 |
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| Cunard Line | Smart attire most nights, with gala evenings- — The page we read is Cunard's own style guide rather than the rule page, so we have not recorded the venue-by-venue detail.
| Checked 2026-09-21 |
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| Oceania Cruises | “Effortless sophistication” — polished and upscale, but no formal nights- — Daytime: sundresses, polo shirts, tailored shorts and lightweight slacks. Swimwear is fine at the pool, but wear a cover-up into dining areas.
- — Evening, ladies: dresses or jumpsuits, elegant blouses with slacks or skirts, fashionable jeans, dressy sandals, pumps or dress sneakers.
- — Evening, gentlemen: collared shirts, knit tops or dressy polos, lightweight sweaters, tailored pants or dressy jeans, loafers or dress shoes.
- — Shorts and t-shirts in the evening are only permitted in the Terrace Café or Waves Grill.
- — Baseball caps are not permitted in The Grand Dining Room or specialty restaurants at dinner.
- — Athletic shoes and flip-flops are not permitted in restaurants or public areas after 6 pm.
- — Faded, acid-washed, torn or distressed jeans are not suitable for evening wear.
- — Robes and slippers are for in-room use only.
| Checked 2026-09-21 |
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