How can I go from Hong Kong International Airport to Zhuhai Gongbei most conveniently? Are there any ferries available?

terribly sorry! I don’t know. I suggest you check with the Hong Kong Airport or Baidu.
The most convenient way to get from Zhuhai Airport to Gongbei is to take a taxi or book a special car, which takes about 30 minutes. You can also take the airport bus and get off at Gongbei Port Station in downtown Zhuhai, and then walk for about 10 minutes to reach Gongbei. There is ferry transportation between Zhuhai Airport and Gongbei. There are two docks to choose from from Zhuhai Airport to Gongbei, namely Jiuzhou Port and Gongbei Port. You can choose one of them according to your needs. Jiuzhou Port has more frequent flights, while Gongbei Port is closer to the city center.

terribly sorry! I don’t know. I suggest you check with the Hong Kong Airport or Baidu.
The most convenient way to get from Zhuhai Airport to Gongbei is to take a taxi or book a special car, which takes about 30 minutes. You can also take the airport bus and get off at Gongbei Port Station in downtown Zhuhai, and then walk for about 10 minutes to reach Gongbei. There is ferry transportation between Zhuhai Airport and Gongbei. There are two docks to choose from from Zhuhai Airport to Gongbei, namely Jiuzhou Port and Gongbei Port. You can choose one of them according to your needs. Jiuzhou Port has more frequent flights, while Gongbei Port is closer to the city center.