yes the hire car company is nsk its opposite the mistral bar (where they serve great kids cocktails)
sample prices for hire cars are group a is about 20 euros a day group b is 23 euros.
they also offer great deals on excusions (day and evening trips)
there are 2 local water parks in the area one just past acharavi to wards kassiopi the other is in sidari, the third is the main aqua land near corfu town
for children Roda is great it has plenty of safe clean pools the beach is sandy with a gentle sloping water line ive never actualy sean any jelly fish or razor shells so no need to worry about those. ive spent my holidays in roda every year since 1985 and would not go anywhere else.
if i can be of anymore help please contact me