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.
The original members of Oceana had previously been in other bands in the Tampa - St.Petersburg area such as Noreen, and Aissur Ahtom. In 2008, Oceana released their debut album "The Tide" through Rise Records. Shortly after the album release the vocalist, Keith Jones, left the band due to personal reasons.