Barnacle & Dime

The Barnacle & Dime is a multiplayer Stage in Splatoon 3. It is located inside a supercenter mall.

Splatoon 3
The Barnacle & Dime debuts in Splatoon 3 as part of the Sizzle Season 2023.

Etymology
Barnacles are a type of aquatic arthropod. Barnacle & Dime sounds like (Bar) nickle & dime which is a reference to the fact that you spend money at malls. It may also be a reference to the saying 'nickle-and-dime' which means to overcharge.