Chiikawa the Movie: The Secret of the Mermaid Island
2026, Japanese. Directed by Kei Oikawa.
Until whenever.
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.
- Runtime
- 1h 39m
- Post-credits
- None listed
- Language
- Japanese
- Rated
- Check local
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Where to watch Chiikawa the Movie: The Secret of the Mermaid Island
Chiikawa the Movie: The Secret of the Mermaid Island isn’t streaming on any OTT platform in India yet; it released on 24 July 2026.
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Cast & crew
- Kei OikawaDirector
- Haruka AokiChiikawa (voice)
- Makoto TanakaHachiware (voice)
- Ari OzawaUsagi (voice)
- Yuka IguchiMomonga (voice)
- Takayuki AsaiKurimanju (voice)
- Yuma UchidaRakko (voice)
- Miyuri ShimabukuroShisa (voice)
- Momo HarumiFuruhonya (voice)
- Tsuguo MogamiShimajiro (voice)
- Minori SuzukiSiren (voice)
- Momoka TerasawaHitoha (voice)
- Sayumi SuzushiroFutaba (voice)
Details
- Released
- 24 July 2026
- Original title
- 映画ちいかわ 人魚の島のひみつ
- Country
- Japan
- Written by
- Nagano
- Box office
- $121M
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News & fan talk
What Chiikawa the Movie: The Secret of the Mermaid Island is based on
Chiikawa the Movie: The Secret of the Mermaid Island is based on Chiikawa, a manga series by Nagano, published by Kodansha.
Manga series
Chiikawa
By Nagano
Published by Kodansha
Source details from Wikidata and TMDB.
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Chiikawa the Movie: The Secret of the Mermaid Island: quick answers
Is Chiikawa the Movie: The Secret of the Mermaid Island worth watching?
Chiikawa the Movie: The Secret of the Mermaid Island doesn’t have enough ratings for a verdict yet.
How long is Chiikawa the Movie: The Secret of the Mermaid Island?
Chiikawa the Movie: The Secret of the Mermaid Island runs 99 minutes (1h 39m).
Does Chiikawa the Movie: The Secret of the Mermaid Island have a post-credits scene?
None is listed for Chiikawa the Movie: The Secret of the Mermaid Island. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
Chiikawa the Movie: The Secret of the Mermaid Island parents guide: is it suitable for kids?
No age rating is listed for Chiikawa the Movie: The Secret of the Mermaid Island yet.
Which OTT platform is Chiikawa the Movie: The Secret of the Mermaid Island on?
Chiikawa the Movie: The Secret of the Mermaid Island isn’t streaming on any OTT platform in India yet; it released on 24 July 2026. (Checked 14 November 2026.)
What movies are like Chiikawa the Movie: The Secret of the Mermaid Island?
If you liked Chiikawa the Movie: The Secret of the Mermaid Island, try Lu Over the Wall, Wish Dragon, How to Train Your Dragon.
Who directed Chiikawa the Movie: The Secret of the Mermaid Island?
Chiikawa the Movie: The Secret of the Mermaid Island (2026) was directed by Kei Oikawa and stars Haruka Aoki, Makoto Tanaka, Ari Ozawa.
What is Chiikawa the Movie: The Secret of the Mermaid Island based on?
Chiikawa the Movie: The Secret of the Mermaid Island is based on Chiikawa, a manga series by Nagano, published by Kodansha.