1. Take a boat to Zhuhai (but there are not many flights) or Macau at the airport, then take a taxi to Zhuhai North Station and then take a bus to Zhongshan.

2.？ This is the longest journey, but it may be the fastest. Return to Shenzhen via Luohu Port and take a bus to Zhongshan in the commercial city.

Other methods:

The first type: you can take the subway to Tsim Sha Tsui, then ask the way to Harbour City and take a boat; Or take the subway to Jordan (the last stop in Tsim Sha Tsui), take exit b2, ask where the Langyi Hotel is (in fact, go straight and turn left at the first crossing, and then you will see the Langyi Hotel, which is actually opposite the hotel, just walk by), and get a ride.

The second type: If you want to take a bus, go directly to the mainland bus stop at T2 of Hong Kong Airport. Take Zhongshan Express to Zhongshan.

The third way: The most convenient and time-saving way is to take a boat to Hong Kong Pier and go directly to Haitian Pier of Zhongshan Airport. Voyage 1 hour, fare 290 yuan. Because the ship goes directly to the departure area of the airport, you can apply for the departure tax refund of HK$ 120 on the spot, which is equivalent to the air ticket in 200 yuan.