Manga Taishō
"Umimachi Diary" won the Excellence Prize for manga at the 2007 Japan Media Arts Festival. It was also nominated for the 1st Manga Taishō (Cartoon Grand Prize), where it came in 3rd place, and won the 6th Manga Taishō in 2013. It was nominated for the 12th Tezuka Osamu Cultural Prize in 2008, where it came in 2nd place; and for the 13th Tezuka Osamu Cultural Prize in 2009. In 2016, the manga won the 61st Shogakukan Manga Award in the General category, sharing it with "Sunny". In 2019, along with "", "Umimachi Diary" ranked #10 on the 19th "Book of the Year" list by "Da Vinci" magazine.