Polyenso (formally known as Oceana) is an American post-hardcore band originating from St. Petersburg, Florida, that is currently unsigned . They released their debut album titled The Tide on March 4, 2008, their second studio album Birth.Eater on May 19, 2009, EP Clean Head on May 11, 2010, and their third studio album under their changed name as "Polyenso" One Big Particular Loop on January 22, 2013.