How to go sheung wan macau ferry terminal from hong kong international airport?

Firstly, take airport express to Hong Kong Station.
Then if your luggage is not too much, you can walk under the underground passageway to Central Station, and take Island Line to Sheung Wan Station. Then walk to the destination by following the direction boards easily.
If you have many luggages, just take a taxi to the ferry terminal directly. It is a short distance.