If you like travelling by train, why not try out the popular and often very economical Euregio ticket. This day ticket is valid in three countries, on all trains including the rack-and-pinion railway in Appenzell and the Pfänder cable car as well as on many bus services. It also gives you reductions on many boat services and a number of top sights.
The day ticket is available at all stations and ticket vending machines and from all the participating boat and bus companies. Detailed information to help you make your plans is available at euregiokarte.com.