Chiikawa the Movie: The Secret of the Mermaid Island

About Chiikawa the Movie: The Secret of the Mermaid Island

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.

Chiikawa the Movie: The Secret of the Mermaid Island is a 2026 animation fantasy film directed by Kei Oikawa. Haruka Aoki takes the lead as Chiikawa (voice), Makoto Tanaka as Hachiware (voice), Ari Ozawa as Usagi (voice), and Yuka Iguchi as Momonga (voice).

At 99 minutes long, it arrived in July 2026. Written by Nagano. It was produced by CyPic. The story is adapted from a manga.

Shelv files it under awestruck, whimsical, cheerful, and complex.

How to Train Your Dragon, How to Train Your Dragon: The Hidden World, and How to Train Your Dragon 2 make useful companions to Chiikawa the Movie: The Secret of the Mermaid Island, all filed under admiring, adoring, and amused.