Yes, that is one requirement for any boat/junk in Halong Bay.

Tip: If you do not see this when boarding the junk, please ask for the instruction from the crew member or our captain.

See also other FAQs

Will it be cold in Halong Bay?

What kind of food on boat in Halong Bay?

What do we have to bring with us to the boat?

Do we have to bring passport for sleeping aboard?

Where does the boat anchor at night time?

Can we sleep outside on the top deck of the boat?

What kind of boat do you use?

How many caves in Halong will we visit?

Is one day trip to Halong Bay worth to visit?

What if the weather turns very bad?

What about seasick on boat?

Can we travel from Hai Phong to Halong?

How far is that from Hanoi to Halong Bay?

When is the best time to visit Halong?