Dock Island

Dock Island is an island that appears in One Piece Film: Z.

General Information
The island is connected to Secon Island via a Sea Trains rails system.

Past
Any years ago, some pirates defeated by Zephyr, shipwrecked on Dock Island and left there their belongings as the ship itself and several pirate-dress and weapons, as guns and swords.

One Piece Film: Z
After the Thousand Sunny undergone Neo Marines' crossfire and got partially destroyed by Zephyr's attacks, the Straw Hat Pirates have taken refuge on Dock Island, where Franky starts to repair it, while the rest of the crew gone to Secon Island.

After Secon Island's explosion due to Zephyr, the Straw Hats returned on the island, where they talk with Kuzan, who give them the Eternal Pose for the Piriodo. When the Sunny got repaired, the crew leaves the island.