Route 21 FireRed & LeafGreen · Route
Route 21 is a sea route connecting Pallet Town in the north to Cinnabar Island in the south, with small islands, one patch of grass and many Fishermen and Swimmers. It is usually travelled once you have Surf, either to reach Cinnabar Island or to go back home to Pallet Town.
- Wild Pokémon
- 10
- Items
- 1
- Trainers
- 10
- Needs
- Surf
Connects to: Cinnabar Island · Pallet Town
Route 21 on the Kanto map
Wild Pokémon
North, South
| Pokémon | Type | Lv. | FireRed | LeafGreen |
|---|---|---|---|---|
 Tangela | Grass | 17–28 | 100% | 100% |
| Pokémon | Type | Lv. | FireRed | LeafGreen |
|---|---|---|---|---|
 Tentacool | WaterPoison | 5–40 | 100% | 100% |
| Rod | Pokémon | Lv. | FireRed | LeafGreen |
|---|---|---|---|---|
| Old Rod |  Magikarp | 5 | 100% | 100% |
| Good Rod |  Krabby | 5–15 | 20% | 60% |
 Horsea | 5–15 | 60% | 20% | |
| Magikarp | 5–15 | 20% | 20% | |
| Super Rod | Krabby | 15–25 | – | 80% |
| Horsea | 15–25 | 80% | – | |
 Gyarados | 15–25 | 15% | 15% | |
 Kingler | 25–35 | – | 4% | |
 Seadra | 25–35 | 4% | – | |
 Psyduck | 25–35 | 1% | – | |
 Slowpoke | 25–35 | – | 1% |
Chances are the game’s encounter slots for each version (grass 20/20/10/10/10/10/5/5/4/4/1/1, surfing and Rock Smash 60/30/5/4/1, Old Rod 70/30, Good Rod 60/20/20, Super Rod 40/40/15/4/1). A dash means the Pokémon does not appear in that version here. Version exclusives · Where to find every Pokémon.
Trainers
| Trainer | Pokémon | Prize | Where |
|---|---|---|---|
 FishermanRonald |  Seaking 28 Goldeen 28Seaking 28Seaking 28 | ₽1,008 | North |
| FishermanWade | Magikarp 27Magikarp 27Magikarp 27Magikarp 27Magikarp 27Magikarp 27 | ₽972 | North |
 Swimmer♂Spencer | Seadra 33 Tentacruel 33 | ₽132 | North |
| Sis and BroLil & Ian · double battle | Seadra 33 Starmie 33 | ₽264 | North |
| Sis and BroLil & Ian · double battle | Seadra 33Starmie 33 | ₽264 | North |
| FishermanClaude |  Shellder 31 Cloyster 31 | ₽1,116 | South |
| FishermanNolan | Seaking 33Goldeen 33 | ₽1,188 | South |
| Swimmer♂Jack | Starmie 37 | ₽148 | South |
| Swimmer♂Jerome |  Staryu 33 Wartortle 33 | ₽132 | South |
| Swimmer♂Roland |  Poliwhirl 32Tentacool 32Seadra 32 | ₽128 | South |
Prize money is four times the level of the trainer’s last Pokémon times the trainer class’s base rate (doubled in double battles). Use the VS Seeker to rematch trainers.
Items
| Item | How |
|---|---|
| Pearl | Hidden |
Hidden items sparkle with the Itemfinder.
Tips
- Tangela is the only grass Pokémon here, and it is available in both versions.
- A hidden Pearl is on the northern part of the route.
- Fisherman Wade has six Magikarp that are easy experience, while Swimmer Jack's Starmie is the highest-level opponent.
- Super Rod fishing gives Horsea (FireRed) or Krabby (LeafGreen), with Gyarados possible in both.
- Sis and Bro Lil & Ian are a double battle with Seadra and Starmie.
Walkthrough: Part 13: Giovanni and the Route 22 Rival
FAQ
Where can I catch Tangela in FireRed and LeafGreen?
In the tall grass on Route 21, where it is the only wild Pokémon in both versions.
What do I need to use Route 21?
Surf, since the route is mostly water.
Is there a hidden item on Route 21?
Yes, a hidden Pearl in the north part.
What Pokémon can you catch in Route 21 in FireRed and LeafGreen?
10 species: Tangela, Tentacool, Magikarp, Krabby, Horsea, Gyarados, Kingler, Seadra, Psyduck, Slowpoke. FireRed only: Horsea, Seadra, Psyduck. LeafGreen only: Krabby, Kingler, Slowpoke.
Sources & picture credits
Guide text is original retrogameindex writing, checked against Bulbapedia and the game data. Wild Pokémon and encounter chances for both versions, items, trainers, gifts, trades and shops come from the pret/pokefirered decompilation (pret/pokefirered 037335f4c7). Maps and sprites © Nintendo / Creatures / GAME FREAK, archived from the Bulbagarden Archives; the region maps are drawn from the game’s own map graphics (listed on the image gallery).