We’d like to introduce songs for children themed around the ocean, as well as songs related to the sea.
This time, instead of nursery rhymes, we’ve focused on Japanese pop songs—mainly popular anime tunes for kids and famous tracks that most people have heard at least once.
They’re all perfect for summer, so try playing them as background music for a family drive or camping trip, or as motivational songs when you want to give your best in studying, club activities, or lessons.
They’re also great for dance numbers and karaoke.
There are plenty of songs that will lift your spirits!
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Recommended sea-themed songs for children. Popular Japanese songs related to the sea (1–10)
Beautiful finsupittsu
This song, Beautiful Fin, created by the beloved national rock band Spitz, was chosen as the theme song for the feature film Detective Conan: Black Iron Submarine and has become popular among children as well.
Its lyrics follow the movie’s story, and it features a light, pleasant melody that makes you want to hum along—especially in the hot season.
With its cool, water-themed atmosphere, it’s perfect as background music for summer camps and events, and it can also energize kids as a cheer song while they tackle lessons, club activities, or studying.
Plus, it’s fun for dancing and karaoke, making it a track the whole family can enjoy together.
Be sure to listen to it with your kids.
Mermaid RhapsodySEKAI NO OWARI
A popular group, SEKAI NO OWARI, delivers a sparkling song that evokes the summer sea and the freshness of budding love—perfect for listening to in summer.
This track is also the theme song for the film Princess Jellyfish.
In the fairy tale, the mermaid falls in love with a prince, but because she isn’t human, she can’t love like an ordinary girl.
While the fairy tale is a sad story, the mermaid in this song thinks that even if she can’t go to meet the one she loves, it’s not so bad to stay where she is, because that special someone will come to her.
It’s such an adorable song, isn’t it?
The continuation of the worldAdo
“Sekai no Tsuzuki” (“The World’s Continuation”) is a deeply emotive and powerful ballad sung by Ado, who is also very popular among children.
The song appears as an insert track in ONE PIECE FILM RED and is used during an important scene near the end.
Another highlight is the sound crafted by songwriter Yuta Orisaka, which conveys a profound gentleness.
The lyrics look back on past memories and express a heartfelt wish for loved ones’ continued happiness, carrying the sense of a grand prayer.
It’s a song from which children, too, may draw their own message.
At the mercy of the seaYOASOBI
YOASOBI is popular across a wide range of ages, including children.
Their song “Umi no Manimani” was created based on Mizuki Tsujimura’s novel “Yūrei,” and its lyrics vividly evoke seascapes.
The chorus is a catchy electropop, and there’s even a rap section that makes kids want to sing along.
The depiction of a nighttime harbor and the encounter with a mysterious girl give it a dramatic feel, and watching the music video is like viewing an entire anime.
Keep an eye on the lyrics that capture the excitement of a strange summer meeting and experience—what will happen next?
Ponyo on the CliffFujioka Fujimaki & Oohashi Nozomi
It’s the theme song from Studio Ghibli’s animated film Ponyo on the Cliff by the Sea.
The movie tells the story of a little fish girl who comes from the sea, and the song’s lyrics also describe her.
It was performed by the musical duo Fujioka Fujimaki and former child actress Nozomi Ohashi.
With Ohashi’s adorable vocals and a simple, catchy melody, the song became very popular and is now a staple at children’s performances and in karaoke.
It’s a beloved sea-themed song that almost everyone has heard at least once.
Song of the VoyageSayuri
This is a song that was used as an ending theme for the anime My Hero Academia.
Commonly called “Hiroaka,” the series is hugely popular among kids! Its theme songs are often the talk of the town too, with many hits starting with Kenshi Yonezu’s “Peace Sign.” “Kōkai no Uta” has a cool melody full of drive and tension, and it’s a track that gives you courage when you’re struggling with your path forward.
It’s important to think about the right path, but first and foremost, using your own strength to navigate life—like a vast ocean—will become your advantage from here on out.
That’s how this song makes me feel.
look at the seaoishikuru meronpan
This is a track from Oisicle Melonpan’s second mini-album, “indoor,” released in 2017.
They’re a three-piece band formed in 2015, known for their sweet-and-sour melodies and strong individuality.
It’s a song that truly evokes summer and youth—a cute tune from a guy who’s got a wonderful woman he really loves.
People call it love magic, but those fun, happy feelings you have when you’re in love—no one wants them to fade, right?