Which Pokopia expansion-pass area is designed for underwater exploration?

Bubbly Basin is the Pokopia expansion-pass area designed for underwater exploration.

Bubbly Basin is the first part of Pokémon Pokopia’s paid three-part Expansion Pass. It adds a water-focused area and supports a later gameplay update that lets players dive, opening routes that cannot be reached through ordinary surface exploration.

The aquatic content expands more than the map. The update introduces new aquatic-themed Pokémon and furniture, giving players additional ways to develop their Pokémon world. It also builds on Pokopia’s broader emphasis on creating habitats and tailoring spaces to the creatures that live there.

Bubbly Basin was released in August 2026. The remaining two Expansion Pass parts were scheduled for late 2026 and 2027, respectively. The name can be confused with a generic water biome, but Bubbly Basin is the specific title of the first paid expansion area, not the name of the entire game’s main region.