Secon Island is the second Endpoint in the New World. It is a seal for the subterranean magma under the New World. If Firs Island receives any kind of severe damage, it will cause the volcano to erupt and cause large-scale destruction.
One Piece Film: Z
Secon Island is connected to Dock Island with the help of Sea Trains. Its main location is Kazanonsen which has a large volcano that is a tourist attraction. There is a huge town under the mountain which is known for its hot springs.
After the Straw Hats fought against Z, they got to know that the Neo Marines were on the island. They decided to go to Secon Island via the Sea Train to get in so that they could return Nami, Robin, Chopper, and Brook to their original age. As they failed to defeat him, the island was destroyed by Dyna Stones that Z had planted near the island’s volcano, when they exploded.
The people who live on Secon Island are:
Marin is an elderly woman from Secon Island. Marin is scared of the molten rocks which almost hit her.
Homey is a young woman from Secon Island. She has short blond hair with a dark blue hat and has a flower on her hat. She wears brown shoes and carries a green backpack with a necklace.
Zomino is a girl from Secon Island. She is a small girl who wears a pink bow on her long blond hair. She carries a small white bag with her.
Purin is a shoeshine boy from Secon Island. He is known for his experience and knowledge in shoe shining. He is a very polite boy.