What area is introduced in Part One of the Pokémon Pokopia Expansion Pass?

Bubbly Basin is introduced in Part One of the Pokémon Pokopia Expansion Pass.

Bubbly Basin is an aquatic area reached through underwater exploration. Part One adds new Pokémon to meet, additional furniture, and a new outfit for Ditto, extending the game’s settlement-building activities beyond the original areas.

Access requires the free underwater exploration update and the move Dive. Players must also complete the request “Raise the environment level!” in Bleak Beach, and Ditto must have the ability to jump and know Surf before reaching the underwater gate.

Bleak Beach is therefore a prerequisite location, not the name of the expansion area. The Expansion Pass is divided into three parts: Bubbly Basin is Part One, Part Two was scheduled for late 2026, and Part Three is planned to add a new town in 2027.