well dans la Paris there is AUP where classes are in anglais, but if you're hoping for le Sobornne fluent french is a must. AUP has some beautiful buildings, a great international faculty, and it's all v.chic - but oo laa laa - the fees are tres, tres expensive!
I don't know about maritime studies, could you be more specific? Is it like marine biology, environmental science, commerce or what? Not sure what you mean by commodity science?