These are some Mesoamerican ships I made for Cultural Diversity. They didn't advance very far in sailing, in South America, so I had to improvise a little. But they look authentic enough (in my opinion). All the models are low poly, and use 256x256 textures. I also included all of the artdefinesunit XML I use, to save you some time. 
Above: Mesoamerican Galley - Download
Above: Mesoamerican Trireme - Download
Above: Mesoamerican Caravel- Download
Above: Mesoamerican Galleon- Download
Above: Mesoamerican Ship of the Line - Download
That's it for now, hope you enjoy using them, and remember to credit me for my work.

Spoiler Screenshots :
Above: Mesoamerican Galley - Download
Spoiler Screenshots :
Above: Mesoamerican Trireme - Download
Spoiler Screenshots :
Above: Mesoamerican Caravel- Download
Spoiler Screenshots :
Above: Mesoamerican Galleon- Download
Spoiler Screenshots :
Above: Mesoamerican Ship of the Line - Download
That's it for now, hope you enjoy using them, and remember to credit me for my work.



).
like other people said, it (together with the other one) brings variety to an area which did not really have a lot as of yet. 