How to get from Shenzhen North Train Station to Macau?

Annemarie, you can take subway Longhua Line(4) to Hui Zhan Zhong Xin, transfer to Luobao Line(1) to Shi Jie Zhi Chuang, transfer to Shekou Line(2), get off at Shekou Port station. The ticket fare is CNY7/person, and it needs about 1 hour.
Then, you can take boat to Macao for 1 hour at the port.
Price of the boat: Shekou Port-Taipa Ferry Terminal: tourist-class stateroom, CNY190/person (CNY90 for Child); first-class stateroom, CNY290/person (CNY190 for Child); Shekou Port-Terminal Maritimo: tourist-class stateroom, CNY170/person; first-class stateroom, CNY250/person.