Part 7: Marsh Badge — the sea routes and Cinnabar Island
Routes 19, 20 and 21, the Seafoam Islands, Cinnabar Island and the Pokémon Mansion, up to Blaine. Challenge Mode's Blaine tops out at Level 51.
Marsh Badge — the sea routes and Cinnabar Island opens 18 areas. There are 75 trainers standing in them. The fight at this checkpoint is Blaine.
Where to go
Cinnabar Island
Wild: Magikarp 100% · Lv 5, Tentacool 100% · Lv 5-40, Horsea 60% · Lv 5-15, Krabby 60% · Lv 5-15 +7 more
Trainers: Exeggutor Master Cindy Lv 60
Pick up: TM38 Fire Blast
Cinnabar Island Pokémon Lab Entrance
Wild: Tentacool Lv 15
Cinnabar Island Pokémon Lab Experiment Room
Wild: Aerodactyl Lv 5, Kabuto Lv 5, Omanyte Lv 5
Trainers: Omastar Master Lionel Lv 60
Move tutor: Selfdestruct
Pokémon Mansion 1F
Wild: Grimer 30% · Lv 28-30, Koffing 30% · Lv 28-30, Raticate 30% · Lv 32-36, Growlithe 15% · Lv 30-32 +4 more
Trainers: Scientist Ted Lv 29, Youngster Johnson Lv 34, Magmar Master Jace Lv 60
Pick up: Carbos, Escape Rope, Moon Stone (hidden), Protein
Pokémon Mansion 2F
Wild: Grimer 30% · Lv 28-30, Koffing 30% · Lv 28-30, Raticate 30% · Lv 32-36, Growlithe 15% · Lv 30-32 +4 more
Trainers: Burglar Arnie Lv 34, Muk Master Gordon Lv 60
Pokémon Mansion 3F
Wild: Grimer 30% · Lv 28-30, Koffing 30% · Lv 28-30, Raticate 30% · Lv 32-36, Growlithe 15% · Lv 30-32 +4 more
Trainers: Scientist Braydon Lv 33, Burglar Simon Lv 38
Pick up: Iron, Max Potion, Rare Candy (hidden)
Pokémon Mansion B1F
Wild: Grimer 30% · Lv 28-30, Koffing 30% · Lv 28-30, Raticate 30% · Lv 34-38, Growlithe 15% · Lv 30-32 +5 more
Trainers: Burglar Lewis Lv 34, Scientist Ivan Lv 34
Pick up: TM14 Blizzard, TM22 Solar Beam, Elixir (hidden), Full Restore, Secret Key
Route 19
Wild: Magikarp 100% · Lv 5, Tentacool 100% · Lv 5-40, Horsea 80% · Lv 15-25, Krabby 80% · Lv 15-25 +5 more
Trainers: Swimmer♀ Anya Lv 27, Swimmer♂ Axle Lv 27, Swimmer♂ Douglas Lv 27, Swimmer♀ Connie Lv 29, Swimmer♂ David Lv 29, Swimmer♂ Reece Lv 29 +11 more
Route 20
Wild: Magikarp 100% · Lv 5, Tentacool 100% · Lv 5-40, Horsea 80% · Lv 15-25, Krabby 80% · Lv 15-25 +5 more
Trainers: Swimmer♂ Darrin Lv 28, Bird Keeper Roger Lv 30, Picnicker Irene Lv 30, Swimmer♀ Nora Lv 30, Swimmer♀ Shirley Lv 30, Picnicker Missy Lv 31 +13 more
Pick up: Stardust (hidden)
Route 20 Underwater
Wild: Tentacool 35% · Lv 33-40, Horsea 30% · Lv 22-25, Krabby 30% · Lv 22-25, Kingler 9% · Lv 28-35 +4 more
Pick up: Big Pearl (hidden)
Route 21 North
Wild: Magikarp 100% · Lv 5, Tangela 100% · Lv 17-28, Tentacool 100% · Lv 5-40, Horsea 80% · Lv 15-25 +6 more
Trainers: Fisherman Wade Lv 27, Fisherman Ronald Lv 28, Sis and Bro Lil & Ian Lv 33, Swimmer♂ Spencer Lv 33, Fisherman Wade (Vs. Seeker rematch 1) Lv 47, Sis and Bro Lil & Ian (Vs. Seeker rematch 1) Lv 50 +3 more
Pick up: Pearl (hidden)
Route 21 South
Wild: Magikarp 100% · Lv 5, Tangela 100% · Lv 17-28, Tentacool 100% · Lv 5-40, Horsea 80% · Lv 15-25 +6 more
Trainers: Fisherman Claude Lv 31, Swimmer♂ Roland Lv 32, Fisherman Nolan Lv 33, Swimmer♂ Jerome Lv 33, Swimmer♂ Jack Lv 37, Psyduck Master Nicole Lv 60 +1 more
Seafoam Islands 1F
Wild: Psyduck 55% · Lv 26-33, Slowpoke 55% · Lv 26-33, Zubat 34% · Lv 22-26, Golbat 11% · Lv 26-30
Trainers: Seel Master Aina Lv 60
Pick up: Ice Heal
Seafoam Islands B1F
Wild: Psyduck 40% · Lv 29-31, Slowpoke 40% · Lv 29-31, Zubat 34% · Lv 22-26, Golbat 11% · Lv 26-30 +3 more
Trainers: Dewgong Master Lois Lv 60
Pick up: Revive, Water Stone
Seafoam Islands B2F
Wild: Psyduck 40% · Lv 30-32, Slowpoke 40% · Lv 30-32, Seel 20% · Lv 30-32, Zubat 20% · Lv 22-24 +3 more
Pick up: Big Pearl
Seafoam Islands B3F
Wild: Magikarp 100% · Lv 5, Horsea 80% · Lv 15-30, Krabby 80% · Lv 15-30, Seel 60% · Lv 25-35 +8 more
Trainers: Dragonair Master Arjun Lv 60
Pick up: Nugget (hidden)
Seafoam Islands B4F
Wild: Magikarp 100% · Lv 5, Horsea 80% · Lv 15-30, Krabby 80% · Lv 15-30, Seel 60% · Lv 25-35 +8 more
Pick up: Ultra Ball, Water Stone (hidden)
Cinnabar Island Gym
Trainers: Super Nerd Avery Lv 34, Burglar Quinn Lv 36, Super Nerd Erik Lv 36, Burglar Dusty Lv 37, Super Nerd Zac Lv 37, Burglar Ramon Lv 41 +3 more
