Forming in 2006, Oceano began as a grindcore band from the Northwest Suburbs of Chicago. In 2007 after the release of their grindcore demo and a series of lineup changes, the band started writing their deathcore material and released two demo's featuring their new sound. In the Summer of 2008, the band signed with Earache Records with whom they have released 4 albums. In 2017, they signed with Sumerian Records and shortly after released their Sumerian Records debut.