The language spoken in Ibiza Town is Castilian Spanish, so you’ll be able to get by with the ‘hola’, ‘si’ and ‘cerveza’ you already know. If you’d like to learn a few more words before you go, click on the green icons for a quick pronunciation guide.
You’ll probably also hear Ibizans speaking the local Ibicenco language, which is a dialect of Catalan. Don’t worry, they won’t expect you to understand what they’re saying. English is widely spoken, so you shouldn’t have too many problems communicating.