Skip to content
Pokémonism
Main Series

Choose a game or jump to a section.

Choose your game

Main SeriesPokémon GOTCG PocketPokémon ChampionsPokémon PokopiaWinds & Waves

Main Series

NewsPokédexGamesLocationsTypesMovesTMs & HMsAbilitiesItemsBerriesNaturesEgg GroupsToolsCreators

Tools & discoveries

All toolsTeam builderDamage calculatorRandom PokémonA–Z indexStrategy guidesNewsDatabase updatesCreatorsAbout & data sourcesYour account
KantoRoutesGen 1

Sea Route 21

44 wild Pokémon recorded here across 12 games. Choose a map edition and a recorded encounter game to compare methods, levels and known chances.

44Unique Pokémon12Games with encounters
Encounter data for:RedBlueYellowGoldSilverCrystalFireRedLeafGreenHeartGoldSoulSilverLet's Go PikachuLet's Go Eevee
How you find them:In the grassWhile surfingBy fishingSpecial encounters
Explore this location4 game maps
On this page — jump to a section

Sea Route 21 area maps

Choose a map edition. Recorded encounter rates are listed below by game.

100%
Sea Route 21 — in-game area map from Pokémon FireRed & LeafGreen
View all encounters on this map 8 Pokémon →

The tables below give rates for each named area and method. The image does not pinpoint individual patches.

This image has no pinpointed encounter patches. Open the area-wide rates above or browse the tables below.

Drag or swipe to pan. Scroll to move; Ctrl/Cmd + scroll or pinch to zoom. Double-click to zoom into a point. Keyboard: arrows to pan, +/− to zoom, 0 to fit.In-game area map · FireRed & LeafGreen · Map source: Bulbapedia ↗Game imagery © Pokémon / Nintendo / Creatures / GAME FREAK.

Wild Pokémon encounters

Choose your game and conditions. Each method has its own encounter table.

Super Rod

4 Pokémon

Chance per encounter with this method and the selected conditions; not the chance per step or of catching it.

Surfing

1 Pokémon

Chance per encounter with this method and the selected conditions; not the chance per step or of catching it.

Good Rod

3 Pokémon

Chance per encounter with this method and the selected conditions; not the chance per step or of catching it.

Walking in grass

1 Pokémon

Chance per encounter with this method and the selected conditions; not the chance per step or of catching it.

Old Rod

1 Pokémon

Chance per encounter with this method and the selected conditions; not the chance per step or of catching it.

Encounter records: PokéAPI. Modifiers such as Repel and lead Pokémon abilities are not applied.

Sea Route 21 encounter records by game

We have wild encounter records for 12 games here. Choose a game above for methods, levels and known chances.

Red12 Pokémon
PidgeyPidgeottoRattataRaticatePoliwagTentacoolShellderTangelaHorseaGoldeenStaryuMagikarp
Blue12 Pokémon
PidgeyPidgeottoRattataRaticatePoliwagTentacoolShellderTangelaHorseaGoldeenStaryuMagikarp
Yellow10 Pokémon
PidgeyPidgeottoRattataRaticatePoliwagTentacoolTentacruelGoldeenStaryuMagikarp
Gold8 Pokémon
TentacoolTentacruelShellderTangelaMr. MimeMagikarpChinchouLanturn
Silver8 Pokémon
TentacoolTentacruelShellderTangelaMr. MimeMagikarpChinchouLanturn
Crystal10 Pokémon
RattataRaticateTentacoolTentacruelShellderTangelaMr. MimeMagikarpChinchouLanturn
FireRed8 Pokémon
PsyduckTentacoolKrabbyTangelaHorseaSeadraMagikarpGyarados
LeafGreen8 Pokémon
TentacoolSlowpokeKrabbyKinglerTangelaHorseaMagikarpGyarados
HeartGold15 Pokémon
TentacoolTentacruelShellderTangelaMr. MimeMagikarpHoothootSpinarakChinchouLanturnLinooneWurmpleWhismurBidoof+1
SoulSilver15 Pokémon
TentacoolTentacruelShellderTangelaMr. MimeMagikarpHoothootLedybaChinchouLanturnLinooneWurmpleWhismurBidoof+1
Let's Go Pikachu20 Pokémon
CharizardPidgeyPidgeottoPidgeotRattataRaticateOddishGloomVileplumeTentacoolTentacruelChanseyTangelaStaryu+6
Let's Go Eevee20 Pokémon
CharizardPidgeyPidgeottoPidgeotRattataRaticateBellsproutWeepinbellVictreebelTentacoolTentacruelChanseyTangelaStaryu+6

Pokémon recorded at Sea Route 21

These 44 Pokémon have wild encounters recorded at Sea Route 21 in Kanto in our encounter data. Open an entry for its stats, evolutions and other recorded locations.

Charizard spriteCharizard#0006Pidgey spritePidgey#0016Pidgeotto spritePidgeotto#0017Pidgeot spritePidgeot#0018Rattata spriteRattata#0019Raticate spriteRaticate#0020Oddish spriteOddish#0043Gloom spriteGloom#0044Vileplume spriteVileplume#0045Psyduck spritePsyduck#0054Poliwag spritePoliwag#0060Bellsprout spriteBellsprout#0069Weepinbell spriteWeepinbell#0070Victreebel spriteVictreebel#0071Tentacool spriteTentacool#0072Tentacruel spriteTentacruel#0073Slowpoke spriteSlowpoke#0079Shellder spriteShellder#0090Krabby spriteKrabby#0098Kingler spriteKingler#0099Chansey spriteChansey#0113Tangela spriteTangela#0114Horsea spriteHorsea#0116Seadra spriteSeadra#0117Goldeen spriteGoldeen#0118Staryu spriteStaryu#0120Starmie spriteStarmie#0121Mr. Mime spriteMr. Mime#0122Magikarp spriteMagikarp#0129Gyarados spriteGyarados#0130Articuno spriteArticuno#0144Zapdos spriteZapdos#0145Moltres spriteMoltres#0146Dragonite spriteDragonite#0149Hoothoot spriteHoothoot#0163Ledyba spriteLedyba#0165Spinarak spriteSpinarak#0167Chinchou spriteChinchou#0170Lanturn spriteLanturn#0171Linoone spriteLinoone#0264Wurmple spriteWurmple#0265Whismur spriteWhismur#0293Bidoof spriteBidoof#0399Buizel spriteBuizel#0418
← All locationsKanto region map →

Community notes

No reader notes on Sea Route 21 yet.