A great article on Mother Earth, listing some of the benefits of inflatable paddle boards:
"Inflatable paddle boards can enable you to have a great workout and a lot of fun when it comes to stand up paddling. Those that do stand up paddling for the first time end up being totally hooked because this type of activity guarantees a lot of fun. Regular travelers need an inflatable paddle board because the conventional composite boards are not convenient. An inflatable paddle board is the perfect option because you can always carry it wherever you go."
Their list includes these advantages: they are compact, they are lightweight, they are convenient, they are very rigid with a soft surface, they are strong and they are long lasting.