Access to:
North: Cape Brink
Accessible from the city (via the Seagallop Ferries): Vermilion City, One Island, Three Isle Port, Four Island, Five Island, Six Island, and Seven Island

Places of interest:
Market
Move Maniac: In exchange for either two Tinymushrooms or one Big Mushroom, the Move Maniac can teach a Pokémon a move that it was capable of learning at a lower level than its current level, but which is not currently in its moveset.
Joyful Game Corner: A Game Corner located on the island allows players to play minigames with other owners of FireRed, LeafGreen, and Emerald, using the Wireless Adapter.

Utility:
Cut is required to access a Revive.