Our group used the Colonia Express to travel from Buenos Aires to Uruguay for a day trip and…read morehonestly although some of us had some issues trying to work out ticket buying situation online, the entirety of it ran pretty smoothly. From immigration to the boat and transportation between countries worked in our favor. As a 21st century girl it was evident some people weren't happy they did not have access to wifi on their boats as some children had tantrums from lack of IPad accessibility and some adults couldn't make phone calls but I think if anything that lack of social media checking can be used to truly reconnect with those traveling with you! Both boats we took were fairly accessible for all those who had a disability if they wished to eat on board you could as they a full little cafe with warm danishes, snacks, and drinks at your convenience!