Treasure Island

Treasure Island (Japanese: たから島 Treasure Island) is an -exclusive island in the Alola region. It is located near Melemele Island and is by humans; however, it is home to many wild Pokémon.

Treasure Island was visited by and his  in Partner Promises! following the recommendation of a saleswoman, who mentions that the island is full of wild Pokémon as well as materials to help make accessories for her shop. Ash and Pikachu spend most of the day there, where they played with the local Pokémon and helped a that was lost and separated from its group. It was also where they spotted the spirit guardian of Akala Island,, for the first time.

It appeared in a flashback in The Island Whisperer!, when Ash remembered seeing Tapu Lele.

It reappeared in Alola, Alola!, when Ash took there along with, who was visiting the region, while riding on some Poké Ride.

In other languages
Isla del Tesoro Isola del Tesoro 宝物岛