Question: eivissa how do you say?
Answer: Ibiza is Spanish and English. In Spanish, it should be pronounced "Ee-BEE-tha." In English, it can be pronounced "Eye-BEE-tha," but "Ee-BEE-tha" is acceptable too if a little pretentious. ... 
Eivissa, pronounced "eye-VEE-sa," is Catalan.