Oceanpunk (also known as Seapunk, or Piratepunk) is a sub-genre of Science Fiction dealing with a world of oceanographic colonization. It generally draws on Post-Apocalyptic themes, such as Global Warming. Though it may also draw from the realms of Fantasy, and Horror. Oceanpunk is known to feature Underwater Cities, Submarines, Floating Cities, and technology associated with exploring the depths beneath the waves. A common theme of Oceanpunk fiction is humanities relationship with the sea its self.