If you are going to the HK airport from the Shekou port in mainland China, the ferry requires you to arrive something like 3 hours ahead of your flight, even th

If you are going to the HK airport from the Shekou port in mainland China, the ferry requires you to arrive something like 3 hours ahead of your flight, even though the ferry ride itself if only 30-40 minutes. I assume a bus wouldn't dictate your schedule in that way.