Who doesn’t love a good cruise? There are so many activities to do while on board, plenty of amazing places to explore at the ports, and lots of time to just relax.

However, your average cruise-goer probably doesn’t know all the ins and outs of the cruise industry. And if you’re a first-timer, you might be surprised at what it’s really like onboard those so-called “all-inclusive” cruises.

So, if you or someone you know is planning to take a cruise soon, then check out this list of 25 cruise ship secrets and be sure to use them on your next vacation!