Two volumes in a drama CDs series, titled Iwatobi High School Swimming Club Activity Journal (岩鳶高校水泳部活動日誌, Iwatobi Kōkō Suiei-bu Katsudō Nisshi), were released between August 21 and September 25, 2013.
Dua volume dalam serangkaian drama CD, berjudul Iwatobi High School Swimming Club Activity Journal (岩鳶高校水泳部　活動日誌, Iwatobi Kōkō Suiei-bu Katsudō Nisshi) dirilis antara 21 Agustus dan 25 September 2013.