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For the character sometimes referred to as an "Umibozu", see Wadatsumi.

The Umibozu is a submarine belonging to the Laotour Bandits.[1]

Ship Design and Appearance

The Umibozu is a relatively small submarine with a white and orange frame. It has several circular windows and three barrels on each on side of it. There is a periscope at the top of it and a propeller at the back. The bow has a large spiked decoration.[1]

The submarine is propelled by pedaling.[1]

Umibozu Above Surface.png
The Umibozu above the surface.
Umibozu Deck.png
A view of the Umibozu's deck.


Great Hidden Treasure of the Nanatsu Islands

The Umibozu was first introduced to the Straw Hat Pirates by Otsu for their mission to invade the Fortress of Zilpah on Hi Island. Later, the Straw Hats use the Umibozu to dive through an underwater cavern connecting the sea to Muika Lake on Mu Island.


  • Umibōzu ("sea priest") is a yōkai from Japanese folklore.


  1. 1.0 1.1 1.2 1.3 1.4 One Piece Video Game — Great Hidden Treasure of the Nanatsu Islands, The Umibozu debuts.

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