I was in Almeria. I took my favourite fondant to Australia but customs were confused as to what it was. Maybe if you have a blender you could grind your own icing sugar if you can’t find any. I looked at Lidl who are in Ibiza but couldn’t find ‘azúcar Glacé. Look here at comments
https://britishexpats.com/forum/spain-75/icing-sugar-695551/
