

One Piece: Baron Omatsuri and the Secret Island
“If you are a pirate among pirates, among pirates, among pirates, then gather your steadfast crew of nakama and set sail for our island.”
The Straw Hats visit a recreational island, run by Baron Omatsuri, who asks them to complete a series of ordeals if they wish to stay on the island. Luffy accepts and the Straw Hats work together to complete them, but as the island's mysteries unfold, their lives and friendships are put to the test. It's up to Luffy to stop the Baron's plot and keep his crew together.
Where to watch One Piece: Baron Omatsuri and the Secret Island in United States
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Click a service to open One Piece: Baron Omatsuri and the Secret Island there. Availability last verified on June 20, 2026.
Where is One Piece: Baron Omatsuri and the Secret Island streaming around the world?
| Country | Streaming on | Rent / Buy |
|---|---|---|
| Germany | Animation Digital Network, Anime Digital Network Amazon Channel | — |
| France | Animation Digital Network, Sooner, Molotov TV, SFR Play | — |
| Japan | Netflix, Amazon Prime Video, Disney Plus, Hulu | Amazon Video, Apple TV Store, Google Play Movies |
| South Korea | wavve, Watcha, TVING | wavve, Google Play Movies |
About One Piece: Baron Omatsuri and the Secret Island
One Piece: Baron Omatsuri and the Secret Island is a 2005 Japanese-language action, animation and thriller film directed by Mamoru Hosoda. The cast is led by Mayumi Tanaka, Kazuya Nakai, Akemi Okamura. It has a runtime of 1h 31m. Viewers rate it 7.2/10 across 200 ratings.
One Piece: Baron Omatsuri and the Secret Island was produced by Toei Animation and made in Japan. It was released on March 5, 2005, and carries a PG-13 certification. At the box office it grossed around $10 million worldwide.
- Director
- Mamoru Hosoda
- Writers
- Masahiro Ito
- Release date
- March 5, 2005
- Original language
- Japanese
- Age rating
- PG-13
- Status
- Released
- Country
- Japan
- Box office
- $10 million
- Production
- Toei Animation
One Piece: Baron Omatsuri and the Secret Island cast & crew
One Piece: Baron Omatsuri and the Secret Island was directed by Mamoru Hosoda and written by Masahiro Ito.
The cast features Mayumi Tanaka as Monkey D. Luffy (voice), Kazuya Nakai as Roronoa Zoro (voice), Akemi Okamura as Nami (voice), Kappei Yamaguchi as Usopp (voice), Hiroaki Hirata as Sanji (voice), and Ikue Otani as Tony Tony Chopper (voice).
Behind the camera, the score was composed by Kohei Tanaka, cinematography is by Tomokazu Shiratori, and it was produced by Shinji Shimizu and Atsutoshi Umezawa.
Is One Piece: Baron Omatsuri and the Secret Island worth watching?
One Piece: Baron Omatsuri and the Secret Island holds an audience score of 7.2/10 from 246 ratings, marking it as well-reviewed action films.
At 1h 31m, it's an easy, time-light watch.
If you enjoy action, animation, and thriller, One Piece: Baron Omatsuri and the Secret Island is worth a place on your watchlist.
How and where to watch One Piece: Baron Omatsuri and the Secret Island
One Piece: Baron Omatsuri and the Secret Island isn't currently available on major streaming services in United States. We track availability continuously — add it to your watchlist and we'll keep an eye out.
Streaming rights change country by country and month by month, so the options above reflect United States today — switch your country at the top of the where-to-watch section to see availability elsewhere.
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Cast of One Piece: Baron Omatsuri and the Secret Island

Mayumi Tanaka
Monkey D. Luffy (voice)

Kazuya Nakai
Roronoa Zoro (voice)

Akemi Okamura
Nami (voice)

Kappei Yamaguchi
Usopp (voice)

Hiroaki Hirata
Sanji (voice)

Ikue Otani
Tony Tony Chopper (voice)

Yuriko Yamaguchi
Nico Robin (voice)

Akio Otsuka
Baron Omatsuri (voice)

Takeshi Kusao
Muchigoro (voice)

Takeshi Aono
Kerojii (voice)

Masaharu Sato
Keroshot (voice)

Joji Yanami
Kerodeek (voice)
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One Piece: Baron Omatsuri and the Secret Island — FAQs
▸Where can I watch One Piece: Baron Omatsuri and the Secret Island in United States?
One Piece: Baron Omatsuri and the Secret Island is not currently available on major streaming services in United States. Availability changes often — check back soon.
▸What language is One Piece: Baron Omatsuri and the Secret Island in?
One Piece: Baron Omatsuri and the Secret Island is originally in Japanese. Subtitle and dub options vary by streaming service.
▸How long is One Piece: Baron Omatsuri and the Secret Island?
One Piece: Baron Omatsuri and the Secret Island runs 1 hours 31 minutes (91 minutes).
▸What is One Piece: Baron Omatsuri and the Secret Island rated?
One Piece: Baron Omatsuri and the Secret Island is rated PG-13. It holds a 7.2/10 audience score from 246 ratings.










