1. According to Gaode's map, you can take a bus from downtown Dalian to Dalian Railway Station, and then transfer to a bus in Changhai County.

2. High-speed ship. In Dalian Port or Dalian Railway Station, you can take a high-speed boat to Changhai County. The high-speed boat flights from Dalian Port to Changhai County are 9: 00, 12: 40, 15: 30, 17: 00, and those from Changhai County to Dalian Port are 8: 30,1:00. The voyage usually lasts between 2 and 3 hours, depending on the type of ship and weather conditions.