You can decide this when you arrive. You can start with 2 to 3 lessons and then evaluate whether you need extra.
A group course (max. 4 pers) costs € 40 for a 1,5 hour lesson.
A 5-lesson course costs € 190.
Surfing requires a lot of exercise which you’ll mainly be doing on your own. However, taking a course now and then, or participating in a coaching session does wonders!