Princess Cruises Formal Night: What "Formal" Actually Means

How many formal nights you'll actually get

On a typical 7-night Princess sailing, expect one or two Formal nights, usually scheduled on sea days rather than port days — the line doesn't want you rushing off a shore excursion straight into a cocktail dress. Shorter 3–5 night itineraries usually carry just one; longer voyages and world cruises add roughly one more per additional week.

The Princess MedallionClass app and the printed Patter (the daily planner delivered to your stateroom) both list the exact night ahead of time, so you're never guessing the morning of. If you're packing before you've seen the schedule, plan on it landing on day 2 or 3, and again near the back half on a 7-night cruise.

What the dress code requires — and what's actually enforced

Princess's own language calls for cocktail dresses or dark suits, and tuxedos are welcomed but never required. In practice, the main dining room on Formal night spans real black tie down to a sport coat over dress trousers, with the bulk of the room landing solidly in the middle. Nobody is sent away for skipping the tuxedo.

What is enforced is the floor: shorts, t-shirts, swim cover-ups, and flip-flops are excluded from the main dining room and most specialty restaurants on Formal night. That's the same hard line every mainstream line draws — dress up as much or as little as you like above it.

Smart Casual covers everything else

Outside of Formal nights, Princess runs on Smart Casual: collared shirts or dresses in the main dining room, no swimwear or athletic gear at dinner, but no jacket or dress-up outfit required either. That's the baseline for the majority of your evenings, and it's a far lower bar than the word 'Formal' elsewhere on the ship might suggest.

Daytime and port-day dress follows the destination, not the ship — Princess doesn't impose a code for excursions, so that half of your suitcase is built around climate and activity, not the line.

• Formal (1–2 nights on a 7-night sailing): cocktail dress or dark suit; tuxedo optional
• Smart Casual (every other evening): collared shirt or dress, no shorts or swimwear at dinner
• Casual daytime: whatever suits the port or sea day — no line-specific rule

What kids wear, and what specialty dining expects

Kids get far more latitude than adults on Formal night: a collared shirt and slacks or a simple dress reads as fully dressed up, and nobody expects a miniature tuxedo or gown. It's an easy night to skip the stress and let a nicer version of an outfit they already own do the job.

Specialty restaurants like Sabatini's or Crown Grill generally follow Smart Casual every night rather than stepping up on Formal night, so they're a reliable fallback if you'd rather not dress up but still want a sit-down dinner. Room service and the buffet never apply a dress code at all.

Packing for one or two nights, not a wardrobe

Because most sailings only carry one or two Formal nights, one outfit does the job twice. A dark suit worn with a tie the first night and without it the second reads as two different looks; a cocktail dress restyled with different jewelry or a wrap does the same. There's no need to pack a second full formal outfit unless you're sailing a longer voyage with three or more Formal nights.

If Formal night isn't your thing, skipping it costs you the main dining room's photo-op ambience and a couple of specialty restaurants that follow the same code — the buffet and casual venues run exactly as normal. The planner factors in your sailing length and destination to tell you exactly how many formal outfits your specific trip needs.