Chiikawa the Movie: The Secret of the Mermaid Island(2026)
映画ちいかわ 人魚の島のひみつ
Until whenever.
Chiikawa the Movie: The Secret of the Mermaid Island Synopsis
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.
Chiikawa the Movie: The Secret of the Mermaid Island (2026) is a animation, family, adventure and fantasy film directed by Kei Oikawa, released on July 24, 2026 with a runtime of 1h 39m. It stars Haruka Aoki, Makoto Tanaka, Ari Ozawa and Yuka Iguchi. Viewers rate it 7.3 out of 10 across 8 ratings.
- Director:
- Kei Oikawa
- Writers:
- Nagano, Nagano
- Producers:
- Taro Imafuku, Naoto Shoji, Masataka Komine
- Cinematographer:
- Masaharu Okazaki
- Composer:
- Shugo Tokumaru
- Production:
- QTORY, CyPic, TOHO
- Revenue:
- $72,008,127
- Status:
- Released
Chiikawa the Movie: The Secret of the Mermaid Island (2026) Trailer
Watch the official trailer for Chiikawa the Movie: The Secret of the Mermaid Island before you stream it.
Chiikawa the Movie: The Secret of the Mermaid Island Videos & Clips
Official trailers, teasers, clips and featurettes for Chiikawa the Movie: The Secret of the Mermaid Island.
Teaser Trailer (Singapore)
Teaser
Teaser Trailer (Malaysia)
Teaser
Official Teaser Trailer (Malaysia)
Teaser
Chiikawa the Movie: The Secret of the Mermaid Island Cast & Crew
Main cast
Haruka Aoki
as Chiikawa (voice)
Makoto Tanaka
as Hachiware (voice)
Ari Ozawa
as Usagi (voice)
Yuka Iguchi
as Momonga (voice)
Takayuki Asai
as Kurimanju (voice)
Yuma Uchida
as Rakko (voice)
Miyuri Shimabukuro
as Shisa (voice)
Momo Harumi
as Furuhonya (voice)
Tsuguo Mogami
as Shimajiro (voice)
Minori Suzuki
as Siren (voice)
Momoka Terasawa
as Hitoha (voice)
Sayumi Suzushiro
as Futaba (voice)
Key crew
Directed by Kei Oikawa, written by Nagano and Nagano, produced by Taro Imafuku, Naoto Shoji and Masataka Komine.
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Chiikawa the Movie: The Secret of the Mermaid Island Reviews & Ratings
Average viewer score of 7.3/10 from 8 ratings.
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Chiikawa the Movie: The Secret of the Mermaid Island – Frequently Asked Questions
Where can I watch Chiikawa the Movie: The Secret of the Mermaid Island online?
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Chiikawa the Movie: The Secret of the Mermaid Island (2026) does not have a confirmed streaming, rental or digital purchase option listed for your region yet. Availability is refreshed regularly, so check back for updates.
Who stars in Chiikawa the Movie: The Secret of the Mermaid Island?
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The main cast of Chiikawa the Movie: The Secret of the Mermaid Island (2026) includes Haruka Aoki, Makoto Tanaka, Ari Ozawa, Yuka Iguchi and Takayuki Asai. The film was directed by Kei Oikawa. You can see the full cast and crew list, with character names, further up this page.
When was Chiikawa the Movie: The Secret of the Mermaid Island released?
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Chiikawa the Movie: The Secret of the Mermaid Island was released on July 24, 2026 and runs for 1h 39m.
Is Chiikawa the Movie: The Secret of the Mermaid Island worth watching?
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Chiikawa the Movie: The Secret of the Mermaid Island (2026) holds an average rating of 7.3 out of 10 from 8 viewer votes, and is a good pick if you enjoy animation, family and adventure films. Read the viewer reviews on this page to decide for yourself.
Is there a trailer for Chiikawa the Movie: The Secret of the Mermaid Island?
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Yes. The official Chiikawa the Movie: The Secret of the Mermaid Island trailer is embedded in the trailer section of this page and plays instantly, no download or sign-up required.