One Piece: Baron Omatsuri and the Secret Island (2005)
Audiences like it.
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One Piece: Baron Omatsuri and the Secret Island is streaming in Japan on Netflix, Amazon Prime Video, Disney Plus.
What the audience says
One Piece: Baron Omatsuri and the Secret Island is a dependable Japanese film — it does what it sets out to do. It carries a 7.2/10 on TMDB across 261 ratings — comfortably clear of the pack.
Should you spend 91 minutes on it?
91 minutes of Japanese action with animation threaded through, not one for younger kids. Under the two-hour mark — an easy weeknight watch.
- Why
- 7.2/10 from 261 ratings — well received so far, on a modest sample.
- Skip if
- you want a slower, character-led story
- Best for
- A weeknight
Story
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.
Good to know
| Runtime | 1h 31m — short |
| Watch with family? | 12 · Older kids & up |
| Genre | Action / Animation |
| Language | Japanese |
| Best screen | Stream at home |
Director
Mamoru Hosoda
Cast
Where to watch in Japan
Included with a subscription — no extra charge on these platforms.
Availability as of 4 Oct 2026 — platforms may change over time.
More: Everything new on Netflix · All Netflix titles in Japan
Trailer
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