Which tour company was the first doing this tour?

This is a very interesting question. To be real. It is hard th say which company was the first. Cave tubing became popular in 1991 and has been recognized as the most popular tour in Central America and the Caribbean.

Today most company would say that they are the best and they have been doing this tour for many years. The greater concern should be booking your cave tubing tour with a company that you are confident of.