● Children from 1-4 years old are free of charge but must bear the boarding fee according to regulations (parents take care of all expenses related to the child, do not occupy a seat on the bus). 02 adults are only allowed to accompany 01 child for free, from the 2nd child 50% (with the standard of half meal and a separate seat in the car). ● Because children are also charged tonnage on ships visiting the Bay, children who are free of charge (from 1-4 years old) will be subject to a surcharge of 5 USD/child for regular ships and 7 USD/child for VIP ships (called occupancy fees on ships). ● If 01 adult is accompanied by 01 child for free, this child must buy 50% of the tour price of the adult (the standard for children is 50% to have half a meal and a separate seat in the car. All incurred costs of scenic tickets at family attractions are paid by themselves). ● Children from 5-9 years old, charge 75% of the price (01 meal and a separate seat on the bus, the default does not include scenic tickets) ● Children 5-9 years old who are taller than 120cm without a student ID card or valid photo ID will have to pay an additional 8 USD to buy tickets like adults. Ha Long Port Authority does not accept the use of birth certificates. Children 10 years and older are charged the same price as adults.