I don't recall too many lakes in Kuwait (or Iraq or Bahrain);
Sounds like he needs it for the ocean.

If so, I would not be looking at a Moomba or a Yamaha. I don't know what you should be looking for, but open-bow sport boats are typically used on lakes, rivers and small bays. Regular 4 foot swells are not going to be fun in a sub-24 foot boat.

How about something like this:
http://www.powerboatlistings.com/cigarette/