Chiikawa the Movie: The Secret of the Mermaid Island

Name: Chiikawa the Movie: The Secret of the Mermaid Island
Director: Kei Oikawa
Genre: Animation, Family, Adventure, Fantasy
Released: 2026-07-24
Duration: 99 min
Cast: Haruka Aoki, Makoto Tanaka, Ari Ozawa, Yuka Iguchi, Takayuki Asai

Explore Chiikawa the Movie: The Secret of the Mermaid Island (2026), including ReelBot’s take, cast, runtime, where to watch, and similar movies worth adding to your list.

2026 · 99 min · Animation · Family · Adventure · Fantasy · TMDB 7.1/10

Overview

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.

Directed by Kei Oikawa

Cast

Haruka Aoki — Chiikawa (voice)
Makoto Tanaka — Hachiware (voice)
Ari Ozawa — Usagi (voice)
Yuka Iguchi — Momonga (voice)
Takayuki Asai — Kurimanju (voice)