Hey there! I'd like to go by ferry from Qingdao to Dalian tomorrow. What ist he most convenient way?

I've seen that trains run regularly to Yantai all day long. I would prefer the one departing at QD Station 7:45 which runs directly to Yantai Station. Do you know when ferries are going and where to get secure information about departure, price and duration?

Thanks in advance

Paul