Looking for maps
 

My brother and I have started playing this game again and we were wondering if there are good maps available for download that we can do a 2v?? game. We often play 2v4 or 2v5 depending on difficulty level.However, it seems to me that most of the maps I have come across are scenario maps and I am assuming they are 1v? games.I'd like to find some good ocean maps if possible.Thanks