The formality of formal nights can vary depending on the cruise line and itinerary. Check your cruise line's dress code guidelines for specific recommendations. In general, men can pack a tuxedo or suit and tie, while women can pack a cocktail dress or gown.

• Roll your clothes instead of folding them to save space and prevent wrinkles.

• Use packing cubes to organize your belongings and maximize space in your suitcase.

• Wear versatile clothing items that can be mixed and matched to create multiple outfits.

• Pack lightweight, quick-drying fabrics that are easy to care for.

Pack travel-sized toiletries of your favorite brands, or consider buying refillable containers to save space and avoid packing liquids in your checked baggage. Don't forget sunscreen, a hat, and sunglasses for sunny destinations.

Pack any medications you take regularly, as well as over-the-counter medications for common ailments like seasickness, headaches, and upset stomachs. Bring copies of your prescriptions in case you lose them.

Pack comfortable shoes suitable for walking and exploring, as well as clothing appropriate for the climate and activities you'll be participating in. Don't forget a hat, sunscreen, and sunglasses.

Cruise lines typically prohibit items like irons, illegal drugs, weapons, and flammable materials. Check your cruise line's website for a complete list of prohibited items.

Pack essential items you'll need immediately after boarding, such as your swimsuit, cover-up, medications, a change of clothes, and travel documents.

The ship will have a gift shop where you can purchase basic toiletries and other essentials.