My husband and I are on a cruise ship that is going to stop at Kotor twice so we are thinking of going to Dubrovnik on one of the stops does anyone know how to do it without problems?
This is the third time you have posted this same question.
here you go: https://www.buscroatia.com/kotor-dubrovnik/
Better, hire a guide and spend the day seeing the towns along the bay on the way to Dubrovnik.