Storyline
Chiikawa and friends set off on a whimsical summer adventure to a mysterious island said to hide a long-lost mermaid secret. What starts as a fun getaway quickly turns into a heartwarming journey filled with surprises, gentle thrills, and adorable chaos. With sparkling seas, strange legends, and unforgettable encounters, the trio learns about courage, friendship, and the magic hidden in small moments.
Key Information
Photos
Cast & Crew
Haruka Aoki
Chiikawa (voice)
Makoto Tanaka
Hachiware (voice)
Ari Ozawa
Usagi (voice)
Yuka Iguchi
Momonga (voice)
Takayuki Asai
Kurimanju (voice)
Yuma Uchida
Rakko (voice)
Miyuri Shimabukuro
Shisa (voice)
Momo Harumi
Furuhonya (voice)
Tsuguo Mogami
Shimajiro (voice)
Minori Suzuki
Siren (voice)
Momoka Terasawa
Hitoha (voice)
Sayumi Suzushiro
Futaba (voice)
Frequently Asked Questions
Chiikawa the Movie: The Secret of the Mermaid Island was released on July 24, 2026.
The runtime of Chiikawa the Movie: The Secret of the Mermaid Island is 1h 39m.
Chiikawa the Movie: The Secret of the Mermaid Island is a Animation, Family, Adventure, Fantasy movie.
Chiikawa the Movie: The Secret of the Mermaid Island is available to watch. Check streaming platforms and theaters near you.
Chiikawa the Movie: The Secret of the Mermaid Island was directed by Kei Oikawa.
The main cast of Chiikawa the Movie: The Secret of the Mermaid Island includes Haruka Aoki, Makoto Tanaka, Ari Ozawa.
Chiikawa the Movie: The Secret of the Mermaid Island is originally in Japanese.