Seafoam Islands 1 — Pokémon FireRed Deluxe
Every wild Pokémon here, by encounter method.
Seafoam Islands 1 lists 7 Pokémon across 1 encounter method (grass), between level 35 and 38. Between them they cover 7 types: WaterIcePoisonFlyingNormalPsychicFire.
Opens up at Marsh Badge — Cinnabar Island.