Base terrain, forming the world ocean far (1-3 tiles away) from land tiles.
|Vanilla / Gods and Kings||1||1|
|Brave New World||1||0|
Ocean tiles benefit from the +1 Food bonus of the Lighthouse, if they're in range of the city with it.
Ocean hexes are deep-water hexes. They provide food and gold to a city once the city has the technology to access them.
Valid only in the Brave New World expansion pack.