I'm a teenager and am wondering what are some activities me and my BFF could do during the summer?

I'm a teenager and am wondering what are some activities me and my BFF could do during the summer?
Lot's of stuff. Go swimming. Go shopping. Talk. Go to summmer activity camps. Get ice cream together. Go over to each other houses and party. Go to the spa. Eat. Sleep. Ride bikes. Go horseback riding. Read together. ECT...