Seafoam Islands (B4F) — Pokémon SoothingSilver
Every wild Pokémon here, by encounter method.
Seafoam Islands (B4F) lists 22 Pokémon across 11 encounter methods (grass, surf, old rod, good rod, and more), between level 10 and 53. One of them is on no other route's wild tables in this guide: Walrein.
Seafoam Islands (B4F) in other guides
The same area in other ROM hacks on this site. Each one has its own encounter table.
Celia's Stupid RomhackPokemon Kanto Expansion PakPokémon FireRed & LeafGreen+Pokémon FireRed: Rocket EditionPokémon Phoenix RedPokémon Polished CrystalRadical RedSacred Gold & Storm Silver
Opens up at Champion — Kanto opens.