When is the best time to visit Halong Bay?
How far is it from Hanoi to Halong Bay? If I stay outside Hanoi Old Quarter or I want to be picked up from Halong harbor, how does Gray Line Cruise contact me?
How can I book a room at Gray Line Cruise?
How can I pay for my reservation? I don’t have a credit card. Can I pay in cash?
How can I change or cancel your reservation?
Do I have to bring passport for sleeping aboard?
If my family has 4 adults and 1 child or even bigger, can you accommodate it?
If I have a few special requests, is it possible for Gray Line Cruise?
Can I have cruise when I’m pregnant?
What will happen if I get sick?
What if do I have special dietary requirements?
Does Gray line halong Cruise have instructions for tourists on Cruise?
How safe is your boat? Is it safe to stay overnight among the bay?
Did Grayline install loudspeaker systems or modern alarm?
Is smoking allowed?
Who should I contact if i have additional questions?