Cadiz City is a city in Negros Occidental.
There is not much about Cadiz, more than the ferry to Bantayan.
There are buses every 15 minutes from Bacalod North Terminal, taking an hour and half give or take. It costs P100 (february 2017). There is also a ferry everyday from Bantayan City.
You can take a bus to Bacalod or any city in Negros Occidental from the bus station. There is also the ferry to Bantayan that leaves everyday at 9:00 am from the warf (from the bus station the tricycle should charge you no more than P50). You can buy the ticket in the warf on the same day, and it costs P290 (february 2017). The journey takes around 3 hours.