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Ranked by tone match
Movies like Chiikawa the Movie: The Secret of the Mermaid Island (2026)
7 films to watch after Chiikawa the Movie: The Secret of the Mermaid Island, ranked by how well they match its tone — not just its genre.
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.
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1Ponyo (2008)
Fit 72%Shares Animation, Fantasy and Family with Chiikawa the Movie: The Secret of the Mermaid Island.
When Sosuke, a young boy who lives on a clifftop overlooking the sea, rescues a stranded goldfish named Ponyo, he discovers more than he bargained for. Ponyo is a curious, energetic young creature who yearns to be human, but even as she causes chaos around the house, her father, a powerful sorcerer, schemes to return Ponyo to the sea.
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2Lu Over the Wall (2017)
Fit 72%Shares Animation, Adventure, Fantasy and Family with Chiikawa the Movie: The Secret of the Mermaid Island.
In a small fishing village, a gloomy middle school student named Kai meets a mermaid named Lu.
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3Big Fish & Begonia (2016)
Fit 70%Shares Animation, Adventure and Fantasy with Chiikawa the Movie: The Secret of the Mermaid Island.
Beyond the human realm, there is a magical race of beings who control the tides and the changing of the seasons. One of these beings, a young girl named Chun, seeks something more—she wants to experience the human world! At sixteen, she finally gets her chance and transforms into a dolphin in order to explore the world that has her fascinated. But she soon discovers that it's a dangerous place and nearly gets killed in a vortex. Luckily, her life is spared when a young boy sacrifices himself to save her. Moved by his kindness and courage, she uses magic to bring him back to life only to learn that this power comes at a serious price. On a new adventure, she’ll have to make her own sacrifices in order to protect his soul until it is ready to return to the human world.
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4Children of the Sea (2019)
Fit 67%Shares Animation, Fantasy and Adventure with Chiikawa the Movie: The Secret of the Mermaid Island.
Ruka is a young girl whose parents are separated and whose father works in an aquarium. When two boys, Umi and Sora, who were raised in the sea by dugongs, are brought to the aquarium, Ruka feels drawn to them and begins to realize that she has the same sort of supernatural connection to the ocean that they do. Umi and Sora's special power seems to be connected to strange events that have been occurring more and more frequently, such as the appearance of sea creatures far from their home territory and the disappearance of aquarium animals around the world. However, the exact nature of the boys' power and of the abnormal events is unknown, and Ruka gets drawn into investigating the mystery that surrounds her new friends.
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5My Oni Girl (2024)
Fit 62%Shares Animation, Fantasy, Adventure and Family with Chiikawa the Movie: The Secret of the Mermaid Island.
A shy teenage boy's inability to say no is tested when a headstrong girl drags him on a mystical journey amid summer snow to find her missing mom.
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6The Polar Express (2004)
Fit 56%Shares Adventure, Animation, Family and Fantasy with Chiikawa the Movie: The Secret of the Mermaid Island.
When a doubting young boy takes an extraordinary train ride to the North Pole, he embarks on a journey of self-discovery that shows him that the wonder of life never fades for those who believe.
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7Missing Link (2019)
Fit 46%Shares Family, Animation and Adventure with Chiikawa the Movie: The Secret of the Mermaid Island.
The charismatic Sir Lionel Frost considers himself to be the world's foremost investigator of myths and monsters. Trouble is, none of his small-minded, high-society peers seems to recognize this. Hoping to finally gain acceptance from these fellow adventurers, Sir Lionel travels to the Pacific Northwest to prove the existence of a legendary creature known as the missing link.
