7 Things Cruise Lines Don’t Tell You to Bring — But You’ll Pay for If You Forget

Booking a cruise can feel like you’ve locked in an all-inclusive vacation, but that’s not always the full story. Many first-time cruisers are surprised by how quickly extra costs add up once they’re onboard. From overpriced essentials to unexpected fees, forgetting a few key items can turn a “budget-friendly” trip into a costly one.

Cruises advertise convenience, but many everyday items come with a premium price once you’re onboard. Basic necessities like Wi-Fi, drinks, and even laundry often cost extra despite the upfront fare. That means forgetting small items can lead to big spending over the course of your trip. Even something as simple as sunscreen or bottled water can cost double or triple what you’d pay on land. Add in impulse purchases and hidden fees, and your final bill can climb quickly. That said, here are seven things cruise lines rarely remind you to pack.

1. Refillable Water Bottle (To Avoid Paying for Drinks)

While some beverages are included, bottled water and specialty drinks usually are not. Cruise lines often charge premium prices for bottled water or drink packages. Bringing a refillable water bottle lets you take advantage of free water stations onboard. It also comes in handy during excursions where hydration is key.

2. Sunscreen and After-Sun Care

Forgetting sunscreen on a cruise is one of the most expensive mistakes travelers make. Onboard shops often sell it at inflated prices due to limited competition. Since cruises often visit sunny destinations, you’ll likely need more than you expect. After-sun products like aloe can also be costly if purchased onboard.

3. Basic Medications and First-Aid Items

Seasickness, headaches, and minor injuries can happen anytime during your trip. Cruise ship medical centers and shops charge significantly more for basic medications. Bringing your own pain relievers, motion sickness remedies, and bandages is essential. It also saves you time and stress when you need something quickly.

4. Laundry Supplies (Yes, You’ll Need Them)

Laundry services on cruise ships are notoriously expensive. Some cruises charge per item, which adds up fast on longer trips. Packing a small amount of detergent or laundry sheets can help you wash essentials in your cabin. This is especially helpful for families or longer itineraries.

5. Portable Charger or Power Bank

Cruise cabins often have limited outlets, and some ships restrict certain electronics. That makes keeping your phone charged a daily challenge. A portable charger ensures you stay connected for photos, excursions, and communication. Buying one onboard (or worse, missing out on charging) can be frustrating and costly.

6. Snacks and Non-Alcoholic Drinks (If Allowed)

Many cruise lines allow limited snacks and beverages to be brought onboard. This can save you from paying high prices for packaged snacks or soft drinks. It’s especially useful for excursions when food options may be limited or expensive. While ships offer plenty of food, having your own options adds flexibility.

7. A Small Bag for Excursions and Pool Days

Cruise lines don’t always highlight how useful a day bag can be. You’ll need something to carry essentials like sunscreen, water, and towels. Buying a bag on board or at a tourist port often costs significantly more. A lightweight backpack or tote makes excursions much easier and more organized.

Pack Smart Now or Pay Later at Sea

Cruise lines focus heavily on the experience, not the extras. That’s partly because onboard purchases are a major source of revenue. Items like drinks, Wi-Fi, and convenience products are designed to be easy upsells. If travelers packed everything they needed, those revenue streams would shrink.

A cruise can still be an incredible value, but only if you plan ahead. Forgetting a few key items can lead to unnecessary spending and frustration. By packing these essentials, you can avoid inflated onboard prices and stay within budget.

What’s one thing you forgot on a trip that ended up costing you more than expected? Share your story in the comments!

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Drew Blankenship

Drew Blankenship is a seasoned automotive professional with over 20 years of hands-on experience as a Porsche technician.  While Drew mostly writes about automotives, he also channels his knowledge into writing about money, technology and relationships. Based in North Carolina, Drew still fuels his passion for motorsport by following Formula 1 and spending weekends under the hood when he can. He lives with his wife and two children, who occasionally remind him to take a break from rebuilding engines.