Umi Monogatari: Kanon to Iku Amamikoshima
English title: Umi Monogatari: Seeing Amamiko Island with Kanon
Japanese title: うみものがたり 夏音と行く天神子島
Alternative titles: Umimonogatari Anata ga Itekuretakoto, Sea Story, Kanon to Iku Amamikoshima
Type: ONA
Source: Game
Episodes: 13
Status: Finished Airing
Aired: Jul 1, 2009 to Sep 25, 2009
Duration: 1 min per ep
Rating: PG-13 - Teens 13 or older
Studios: Zexcs
Genres: Comedy

Short ONA specials of Umi Monogatari that were originally released on the official website and later included on DVD volumes. 

Kanon (and sometimes other characters) tours the viewer around Amamiko Island, while also commenting about characters and events from the series.