Seafoam Islands 1F — Pokemon Kanto Expansion Pak
Every wild Pokémon here, by encounter method.
Seafoam Islands 1F lists 7 Pokémon across 1 encounter method (grass), between level 33 and 38.
Seafoam Islands 1F in other guides
The same area in other ROM hacks on this site. Each one has its own encounter table.
Celia's Stupid RomhackPokémon FireRed & LeafGreen+Pokémon FireRed: Rocket EditionPokémon Phoenix RedPokémon Polished CrystalPokémon SoothingSilverSacred Gold & Storm Silver
Opens up at 3 badges — beat Lt. Surge (Thunder Badge).