Quote Originally Posted by diablodelmar
What is the largest port availible? I currently have an Imperial City, and as the first upgrade I get upon upgrading a city is ports to access more sea-trade, I immmeadiatly looked to see if I could build one. I can't. Is there no larger port? If this is the case, then how on earth do I build Decare and Corvus Quinquireme ships?
There are three levels of port. The Decere and Corvus Quinquireme require a higher temple of Neptune as well as a port.