If you find a motor with the right spec, no problem. Apart from finding the right ESC. Boats tend to need different controls than aircraft, reverse being top of the list. In the real world, aircraft engines have been used to power boats plenty of times (e.g. Packard/RR Merlins in PT boats), but were usually derated so that they would last longer. The same considerations apply using an air motor in a boat - it is always working harder for longer and is not usually sitting in forced airflow, unless its an airboat.