One Island — Pokémon FireRed Reignited & LeafGreen Regrown

Every wild Pokémon here, by encounter method.

One Island lists 12 Pokémon across 6 encounter methods (surf, old rod, good rod, super rod, and more), between level 5 and 40. Between them they cover 4 types: WaterPoisonFlyingPsychic.

One Island in other guides

The same area in other ROM hacks on this site. Each one has its own encounter table.

The original game's table for this area:

Opens up at Marsh Badge — Cinnabar Island and the first Sevii Islands — Lv. 53 cap.

Surf Lv 5-40

encounter rate 1

	Pokémon	Types	Level	Rate
	Tentacool	WaterPoison	5-40	95%
	Tentacruel rare	WaterPoison	35-40	5%

Old Rod Lv 5

encounter rate 10

	Pokémon	Types	Level	Rate
	Magikarp	Water	5	100%

Good Rod Lv 5-15 · FireRed Reignited only

encounter rate 10

	Pokémon	Types	Level	Rate
	Horsea	Water	5-15	80%
	Magikarp	Water	5-15	20%

Super Rod Lv 15-35 · FireRed Reignited only

encounter rate 10

	Pokémon	Types	Level	Rate
	Horsea	Water	15-25	40%
	Shellder	Water	15-25	40%
	Gyarados	WaterFlying	15-25	15%
	Seadra rare	Water	25-35	4%
	Psyduck rare	Water	25-35	1%

Good Rod Lv 5-15 · LeafGreen Regrown only

encounter rate 10

	Pokémon	Types	Level	Rate
	Krabby	Water	5-15	80%
	Magikarp	Water	5-15	20%

Super Rod Lv 15-35 · LeafGreen Regrown only

encounter rate 10

	Pokémon	Types	Level	Rate
	Krabby	Water	15-25	40%
	Staryu	Water	15-25	40%
	Gyarados	WaterFlying	15-25	15%
	Kingler rare	Water	25-35	4%
	Slowpoke rare	WaterPsychic	25-35	1%

Open in the interactive guide