Take it easy, the transport is very easy between Hong Kong and Macau, since there is no ferry goes to Macau at Hong Kong Airport, you can take Bus N11 to Central and then take ferry to Macau, the ferry would arrive at Macau Maritime Ferry Terminal, the time you arrive there is no shuttle bus going to Venetian, you can take taxi or go to av. R. Rodrigues/rua De Malaca bus stop and take bus N2 to Temporary Ferry Terminal of Macau, there the last shuttle bus of Venetian Macau is at 02:40 in the morning.