It's important for getting the cut HM and going to the Sevii Islands. There is also a cave nearby.
In the Pokémon Center, a girl with blue hair will give player that talk to her a seeker that allows fighting enemies whenever the player wishes to.
Also obtainable are a cycle card and a fishing rod. Someone will trade a Spearow for a special Pokémon.
The gym in this city focuses on Electric Pokémon, and it is the third gym the player will encounter on their journey.