In Pokémon: Dark Phantom, how to obtain the Southern Island Ferry Ticket for Pokémon Dark Phantom can be found as follows:
1. First come to Shuijing City, and then go down.
2. Then walk along the river, reach the lighthouse sailor in the lower left corner, and have a conversation with the sailor. After the conversation, you can get the dream boat ticket to the Southern Island (Southern Island Ferry Ticket).