Have a week or two off. Do fun stuff and relax. Treat yourself. Holiday!
But use the remainder wisely. If you want to, work. That's the best option. Even if you don't work, get a volunteer position somewhere. Join clubs and activities. Try new things. Learn new things - in this summer I'll be doing some online courses for coding and psychology, just because I can.
Future employers/your college will wonder why you spent the whole summer on the couch watching Netflix. This is THE time to do something! The more experience the more success. Experience does not hurt.
This is your opportunity to try new things and to be independent. Be an adult. Take responsibility, take risks, try stuff.
(Or you could just have fun and do nothing. But you shouldn't!)