About the seasickness:
Can I get seasick on the boat?
Yes. Like everything in the sea, if the sea moves, the ship does too and this can make some people seasick.
How can I avoid seasickness?
It is best to take action against seasickness before getting on the boat. In the pharmacies there are different products to combat seasickness on trips, both by boat and by car, airplane, etc..
There are pills, chewing gum, acupressure bracelets and other products.
On board it is best to avoid moving from one place to another and closed spaces.