The ISCA serves:

Boys and Girls world wide who wish to participate in the various member countries' maritime training programmes.

All countries which do not have any sort of maritime youth training programme, by actively encouraging those countries to initiate such a maritime youth training programme for the boys and girls of their various communities.

The Communities in which the member Boys and Girls live, by encouraging these Boys and Girls to live a disciplined and tolerant life whilst encouraging their compatriots to do the same.

To promote the international spirit of cultural understanding among the youth of the member countries by fostering inter-cultural youth exchanges.

The maritime fraternity world wide by offering basic maritime training to boys and girls through the various maritime training programmes of the member countries.