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Johto and Kanto Gold/Silver section

Pokemon Gold and Silver Routes 19 and 20, Seafoam Islands Walkthrough

Routes 19 and 20, Seafoam Islands section of the complete Pokemon Gold and Silver walkthrough, with wild Pokemon, trainers, items, hidden items, trades, events, and boss data.

By Damodar Sharma Updated June 23, 2026 Walkthrough

Surf the southern sea routes and reach Blaine's temporary Gym. This section is generated from pret/pokegold map, trainer, item, and encounter data for Pokemon Gold and Silver only.

Phase 15: Volcano Badge

Routes 19 and 20, Seafoam Islands

Surf the southern sea routes and reach Blaine's temporary Gym.

Source maps3 Wild rows31 Trainers7 Items/trades0

Source Maps

ROUTE_19, ROUTE_20, SEAFOAM_GYM

Wild Pokemon

Area / subareaGameMethodTimePokemonLevelOddsCondition / requirement
Route 19Gold/SilverGood RodAny Krabby Gold and Silver sprite Krabby Rod bite group Lv. 2055%Standard encounter table.
Route 19Gold/SilverGood RodAny Magikarp Gold and Silver sprite Magikarp Rod bite group Lv. 2035%Standard encounter table.
Route 19Gold/SilverOld RodAny .Dratini 2 Old Gold and Silver sprite .Dratini 2 Old Rod bite group Lv. NaN-NaN0%Standard encounter table.
Route 19Gold/SilverOld RodAny .Dratini Old Gold and Silver sprite .Dratini Old Rod bite group Lv. NaN-NaN0%Standard encounter table.
Route 19Gold/SilverOld RodAny .Gyarados Old Gold and Silver sprite .Gyarados Old Rod bite group Lv. NaN-NaN0%Standard encounter table.
Route 19Gold/SilverOld RodAny .Lake Old Gold and Silver sprite .Lake Old Rod bite group Lv. NaN-NaN0%Standard encounter table.
Route 19Gold/SilverOld RodAny .Ocean Old Gold and Silver sprite .Ocean Old Rod bite group Lv. NaN-NaN0%Standard encounter table.
Route 19Gold/SilverOld RodAny .Pond Old Gold and Silver sprite .Pond Old Rod bite group Lv. NaN-NaN0%Standard encounter table.
Route 19Gold/SilverOld RodAny .Qwilfish Noswarm Old Gold and Silver sprite .Qwilfish Noswarm Old Rod bite group Lv. NaN-NaN0%Standard encounter table.
Route 19Gold/SilverOld RodAny .Qwilfish Old Gold and Silver sprite .Qwilfish Old Rod bite group Lv. NaN-NaN0%Standard encounter table.
Route 19Gold/SilverOld RodAny .Qwilfish Swarm Old Gold and Silver sprite .Qwilfish Swarm Old Rod bite group Lv. NaN-NaN0%Standard encounter table.
Route 19Gold/SilverOld RodAny .Remoraid Old Gold and Silver sprite .Remoraid Old Rod bite group Lv. NaN-NaN0%Standard encounter table.
Route 19Gold/SilverOld RodAny .Remoraid Swarm Old Gold and Silver sprite .Remoraid Swarm Old Rod bite group Lv. NaN-NaN0%Standard encounter table.
Route 19Gold/SilverOld RodAny .Shore Old Gold and Silver sprite .Shore Old Rod bite group Lv. NaN-NaN50%Standard encounter table.
Route 19Gold/SilverOld RodAny .Whirlislands Old Gold and Silver sprite .Whirlislands Old Rod bite group Lv. NaN-NaN0%Standard encounter table.
Route 19Gold/SilverOld RodAny Krabby Gold and Silver sprite Krabby Rod bite group Lv. 1015%Standard encounter table.
Route 19Gold/SilverOld RodAny Magikarp Gold and Silver sprite Magikarp Rod bite group Lv. 1035%Standard encounter table.
Route 19Gold/SilverSuper RodAny Kingler Gold and Silver sprite Kingler Rod bite group Lv. 4010%Standard encounter table.
Route 19Gold/SilverSuper RodAny Krabby Gold and Silver sprite Krabby Rod bite group Lv. 4090%Standard encounter table.
Route 19Gold/SilverSurfAny Tentacool Gold and Silver sprite Tentacool 6% encounter rate Lv. 30-3590%Standard encounter table.
Route 19Gold/SilverSurfAny Tentacruel Gold and Silver sprite Tentacruel 6% encounter rate Lv. 3510%Standard encounter table.
Route 20Gold/SilverGood RodAny Chinchou Gold and Silver sprite Chinchou Rod bite group Lv. 2020%Standard encounter table.
Route 20Gold/SilverGood RodAny Magikarp Gold and Silver sprite Magikarp Rod bite group Lv. 2035%Standard encounter table.
Route 20Gold/SilverGood RodAny Tentacool Gold and Silver sprite Tentacool Rod bite group Lv. 2035%Standard encounter table.
Route 20Gold/SilverOld RodAny Magikarp Gold and Silver sprite Magikarp Rod bite group Lv. 1085%Standard encounter table.
Route 20Gold/SilverOld RodAny Tentacool Gold and Silver sprite Tentacool Rod bite group Lv. 1015%Standard encounter table.
Route 20Gold/SilverSuper RodAny Chinchou Gold and Silver sprite Chinchou Rod bite group Lv. 4040%Standard encounter table.
Route 20Gold/SilverSuper RodAny Lanturn Gold and Silver sprite Lanturn Rod bite group Lv. 4010%Standard encounter table.
Route 20Gold/SilverSuper RodAny Tentacruel Gold and Silver sprite Tentacruel Rod bite group Lv. 4050%Standard encounter table.
Route 20Gold/SilverSurfAny Tentacool Gold and Silver sprite Tentacool 6% encounter rate Lv. 30-3590%Standard encounter table.
Route 20Gold/SilverSurfAny Tentacruel Gold and Silver sprite Tentacruel 6% encounter rate Lv. 3510%Standard encounter table.

Trainers

Route orderTrainerTeamRewardOptional / rematch note
Route 19 (9, 23)Swimmerf Dawn
Seaking Gold and Silver sprite Seaking Lv. 34
$170One-time trainer battle.
Route 19 (13, 28)Swimmerm Harold
Remoraid Gold and Silver sprite Remoraid Lv. 32 Seadra Gold and Silver sprite Seadra Lv. 30
$60One-time trainer battle.
Route 19 (11, 17)Swimmerm Jerome
Seadra Gold and Silver sprite Seadra Lv. 26 Tentacool Gold and Silver sprite Tentacool Lv. 28 Tentacruel Gold and Silver sprite Tentacruel Lv. 30 Goldeen Gold and Silver sprite Goldeen Lv. 28
$56One-time trainer battle.
Route 19 (8, 23)Swimmerm Tucker
Shellder Gold and Silver sprite Shellder Lv. 30 Cloyster Gold and Silver sprite Cloyster Lv. 34
$68One-time trainer battle.
Route 20 (52, 8)Swimmerf Nicole
Marill Gold and Silver sprite Marill Lv. 29 Marill Gold and Silver sprite Marill Lv. 29 Lapras Gold and Silver sprite Lapras Lv. 32
$160One-time trainer battle.
Route 20 (45, 13)Swimmerf Lori
Starmie Gold and Silver sprite Starmie Lv. 32 Starmie Gold and Silver sprite Starmie Lv. 32
$160One-time trainer battle.
Route 20 (12, 13)Swimmerm Cameron
Marill Gold and Silver sprite Marill Lv. 34
$68One-time trainer battle.

Items, Hidden Items, And Events

No item balls, hidden items, fruit trees, NPC gifts, or in-game trades found for this section.

Boss Cards

No major boss card assigned to this section.

Completion Checklist

  • Check every wild row before leaving Routes 19 and 20, Seafoam Islands; Gold/Silver version, time, rod, Headbutt, swarm, and static methods are separated.
  • Clear trainer rows and phone/rematch contacts shown in the trainer table.
  • Pick up item balls, hidden items, daily fruit trees, NPC gifts, trades, and static encounters listed for the section.
  • Use any boss card here before advancing to the next section.

Related articles

Pokemon Gold and Silver Walkthrough HubPhase 15: Volcano BadgeCerulean GymCinnabar Island, Route 21, and Pallet Town