Sea Route 21 — HeartGold Generations

Every wild Pokémon here, by encounter method.

Sea Route 21 lists 12 Pokémon across 14 encounter methods (grass (day), grass (day, hoenn sound), grass (day, sinnoh sound), grass (morning / night), and more), between level 10 and 40. Between them they cover 7 types: GrassPsychicFairyNormalWaterPoisonElectric. One of them is on no other route's wild tables in this guide: Mr. Mime.

Sea Route 21 in the official games

The original game's table for this area:

Opens up at Beat the Elite Four and the Champion.

Grass (day) Lv 20-35

	Pokémon	Types	Level	Rate
	Tangela	Grass	20-35	90%
	Mr. Mime	PsychicFairy	28-30	10%

Grass (day, Hoenn Sound) Lv 20-35

	Pokémon	Types	Level	Rate
	Tangela	Grass	20-30	50%
	Whismur	Normal	25-30	20%
	Linoone	Normal	35	20%
	Mr. Mime	PsychicFairy	28-30	10%

Grass (day, Sinnoh Sound) Lv 20-35

	Pokémon	Types	Level	Rate
	Tangela	Grass	20-30	50%
	Buizel	Water	25-30	20%
	Bidoof	Normal	35	20%
	Mr. Mime	PsychicFairy	28-30	10%

Grass (morning / night) Lv 20-35

	Pokémon	Types	Level	Rate
	Tangela	Grass	20-35	95%
	Mr. Mime rare	PsychicFairy	28	5%

Grass (morning / night, Hoenn Sound) Lv 20-35

	Pokémon	Types	Level	Rate
	Tangela	Grass	20-30	55%
	Whismur	Normal	25-30	20%
	Linoone	Normal	35	20%
	Mr. Mime rare	PsychicFairy	28	5%

Grass (morning / night, Sinnoh Sound) Lv 20-35

	Pokémon	Types	Level	Rate
	Tangela	Grass	20-30	55%
	Buizel	Water	25-30	20%
	Bidoof	Normal	35	20%
	Mr. Mime rare	PsychicFairy	28	5%

Grass (swarm) Lv 30

	Pokémon	Types	Level
	Tangela	Grass	30

Surf Lv 30-35

	Pokémon	Types	Level	Rate
	Tentacool	WaterPoison	30-35	90%
	Tentacruel	WaterPoison	35	10%

Surf (swarm) Lv 35

	Pokémon	Types	Level
	Tentacool	WaterPoison	35

Old Rod Lv 10

	Pokémon	Types	Level	Rate
	Magikarp	Water	10	85%
	Tentacool	WaterPoison	10	15%

Good Rod Lv 20

	Pokémon	Types	Level	Rate
	Magikarp	Water	20	40%
	Tentacool	WaterPoison	20	30%
	Chinchou	WaterElectric	20	20%
	Shellder	Water	20	10%

Good Rod (swarm) Lv 20

	Pokémon	Types	Level
	Shellder	Water	20

Super Rod Lv 40

	Pokémon	Types	Level	Rate
	Chinchou	WaterElectric	40	40%
	Shellder	Water	40	30%
	Tentacruel	WaterPoison	40	20%
	Lanturn	WaterElectric	40	10%

Super Rod (swarm) Lv 40

	Pokémon	Types	Level
	Magikarp	Water	40

Trainers here

12 fights here, in story order. ★ marks a gym leader or major battle.

Open in the interactive guide