Probably happens one out of a million times. Never seen it, we give the porters 1-2 checked bags and I give them 5 bucks. My wife and I each bring a rolling carry on along with a back pack. We that we each pack 2-3 changes of clothes meds,, laptops, and my camera gear. Any snorkel and dive gear gets checked.
If you want to play it really safe get yourself a couple Tiles or Apple Air Tags, I've been using the Tiles for 5-6 years and they work great
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Nobody is going to care what you carry on or check as long as your night trying to check a steamer truck