As divers, we travel far and wide in search of exotic reefs, which gives us wonderful opportunities to experience unique cultures. But it’s always a good idea to acquaint yourself with local customs before you visit a new country, since some common behaviors at home might prove to be powerful insults abroad. Here are tips on how to avoid five cultural faux pas on your next dive trip.

Caribbean Modesty

It’s only natural that most of us feel the urge to strip down to as little as possible once we land on a sun-drenched tropical isle, but don’t forget that many islanders — especially in the Caribbean — are actually quite conservative and modest about exposed skin.

That’s not to say you can’t wear a bathing suit on the beach or dive boat, but be sure to change into proper street clothes when you venture into town for shopping or other activities.

Eat Right in Bali

If you find yourself having a meal with locals on the Indonesian island of Bali, make sure to use your right hand to take and eat the food, because in Bali — as in many Asian and Middle Eastern countries — the left hand is considered unclean, even if you’ve washed it.

It’s a tradition tied to bathroom use, in which people would take care of business with the left hand, keeping the right clean.

Another mealtime faux pas in Bali is starting to eat before your hosts — always let them begin first.

No Shoes, No Problem

If you visit someone’s home in French Polynesia, be sure to take off your shoes before heading inside. It’s standard practice on most Pacific islands, and also in Asian countries like Malaysia, where you might even be asked to remove shoes before entering local businesses or hotels. A good rule of thumb is to look for a pile of shoes by the front door — if everybody else’s are there, leave yours too.

Kava Rules

Most divers who visit Fiji will find themselves invited to take part in a kava ceremony. This locally beloved root is pounded into a fine powder and prepared as a tea, then drunk communally for its mild numbing and narcotic effects.

Of course, there are rules to follow. When you visit a village, it’s good form to bring kava as a gift, and when it’s your turn to drink, never sip it — down the whole bowl at once.

Lei Etiquette

As most people know, it’s common practice for local Hawaiians to present visitors to the islands with a lei, a necklace made from fresh flowers like plumerias or orchids, and shells or seeds. Remember that the offering of a lei is a symbol of affection, and it’s considered bad form to refuse one once it’s been offered.

If you have an allergy or another reason why you absolutely can’t wear the lei, it’s acceptable to graciously thank the giver, explain the situation, and then either offer the lei to your significant other or place it on a table as a centerpiece. But don’t return it.