Movie guide
Chiikawa the Movie: The Secret of the Mermaid Island (2026): movie guide
Chiikawa the Movie: The Secret of the Mermaid Island (2026) is a Animation, Family, Adventure running about 99 minutes. It holds a TMDB score of 7.6/10 from 13 votes. Notable cast includes Haruka Aoki, Makoto Tanaka, Ari Ozawa, Yuka Iguchi. Cinema Box covers trailers, cast, and details for discovery — not full streaming.
- Released: 2026-07-24
- Runtime: 99 min
- TMDB: 7.6/10
- Genres: Animation, Family, Adventure
Last updated: 2026-11-11 · First listed: 2026-07-24

Get the official Android app on Google Play
What is Chiikawa the Movie: The Secret of the Mermaid Island about?
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.
Cast highlights
Chiikawa the Movie: The Secret of the Mermaid Island features Haruka Aoki, Makoto Tanaka, Ari Ozawa, Yuka Iguchi, Takayuki Asai, Yuma Uchida. Open the Cinema Box title page for the full cast list and character credits.
Key facts
Release date: 2026-07-24. Runtime: 99 minutes. TMDB score: 7.6/10 (13 votes). Genres: Animation, Family, Adventure, Fantasy. Original language: ja. Status: Released.
Discover Chiikawa the Movie: The Secret of the Mermaid Island on Cinema Box
Cinema Box is a movie and TV discovery app for Android. Use it to browse Chiikawa the Movie: The Secret of the Mermaid Island, watch official trailers when available, save titles to your list, and plan what to watch — without hosting or streaming full films.
Frequently asked questions
- What genre is Chiikawa the Movie: The Secret of the Mermaid Island?
- Chiikawa the Movie: The Secret of the Mermaid Island is listed as Animation, Family, Adventure, Fantasy on TMDB.
- How long is Chiikawa the Movie: The Secret of the Mermaid Island?
- Chiikawa the Movie: The Secret of the Mermaid Island runs about 99 minutes.
- Who stars in Chiikawa the Movie: The Secret of the Mermaid Island?
- Cast highlights include Haruka Aoki, Makoto Tanaka, Ari Ozawa, Yuka Iguchi, Takayuki Asai, Yuma Uchida.








