The Sevii Islands are an archipelago of nine large islands and several small islands surrounding them far south of mainland Kanto, and are home to several Legendary and Mythical Pokémon: Moltres, Lugia, Ho-Oh, and Deoxys.
Sevii Island Sidequests
Trainers
Battle #
Trainer/Location
Team
309
Sailor Simon Treasure Beach
310
Swimmer Daniel Treasure Beach
311
Swimmer Melvin Treasure Beach
312
Ace Trainer Megan One Island
313
Ace Trainer Lesley One Island
314
Ace Trainer Esther One Island
315
Pokefan Jean Kindle Road
316
Ace Trainer Sally Kindle Road
317
Sailor Lewis Kindle Road
318
Ace Trainer Bobby Mt. Ember
319
Ace Trainer Elise Mt. Ember
320
Hiker Cecil Mt. Ember
321
??? Mt. Ember
322
Sailor Jerry Two Island
323
Sailor Bruce Two Island
324
Youngster Patty Two Island
325
Ace Trainer Cassidy Cape Brink
326
Ace Trainer Ruby Cape Brink
327
Pokefan Kyle Cape Brink
328
Biker Davey Three Island
329
Biker Oliver Three Island
330
Cue Ball Luke Three Island
331
Pokefan Jemima Three Isle Port
332
Ace Trainer Annie Three Isle Port
333
Ace Trainer Suzie Three Isle Port
334
Ace Trainer Tyrone Three Isle Path
335
Sailor Mikey Three Isle Path
336
Pokefan Pryce Three Isle Path
337
Twins Joy and Meg Bond Bridge
338
Swimmer Mya Bond Bridge
339
Beauty Violet Bond Bridge
340
Pokefan Ashe Berry Forest
341
Youngster Olly Four Island
342
Fisherman Rory Four Island
343
Beauty Ava Four Island
344
Hiker Frankie Icefall Cave
345
Ace Trainer Lucia Icefall Cave
346
Rocket Grunt Adrian Icefall Cave
347
Ace Trainer Lilli Five Island
348
Fisherman Haydan Five Island
349
Youngster Billy Five Island
350
Pokemon Breeder Alice Water Labyrinth
351
Swimmer Jackson Water Labyrinth
352
Swimmer Sven Water Labyrinth
353
Lady Daniella Resort Gorgeous
354
Swimmer Toby Resort Gorgeous
355
Painter Carlos Resort Gorgeous
356
Psychic Lanie Lost Cave
357
Ruin Maniac Alexander Lost Cave
358
Psychic Rachel Lost Cave
359
Rocket Grunt Ella Five Isle Meadow
360
Rocket Grunt Sebastian Five Isle Meadow
361
Rocket Grunt Cecilia Five Isle Meadow
362
Rocket Grunt Elenaor Rocket Warehouse
363
Rocket Grunt Jock Rocket Warehouse
364
Scientist Gideon Rocket Warehouse
365
Bird Keeper Albert Memorial Pillar
366
Ace Trainer Casper Memorial Pillar
367
Bird Keeper Lief Memorial Pillar
368
Youngster Ricky Six Island
369
Bug Catcher Sloan Six Island
370
Youngster Melody Six Island
371
Swimmer Denise Water Path
372
Swimmer Dougie Water Path
373
Swimmer Miu Water Path
374
Pokemon Breeder Cici Pattern Bush
375
Bug Catcher Lou Pattern Bush
376
Youngster Callum Pattern Bush
377
Psychic Jennifer Green Path
378
Pokemon Breeder Charlie Green Path
379
Ace Trainer Juan Green Path
380
Swimmer Nicola Outcast Island
381
Swimmer Bryan Outcast Island
382
Swimmer Isacc Outcast Island
383
Hiker Lee Altering Cave
384
Hiker Billy-Joe Altering Cave
385
Hiker Preston Altering Cave
386
Ruin Maniac Stan Ruin Valley
387
Ruin Maniac Lester Ruin Valley
388
Ruin Maniac Colin Ruin Valley
389
Scientist Gideon Dotted Hole
390
Youngster Anin Seven Island
391
Youngster Cody Seven Island
392
Youngster Nelson Seven Island
393
Psychic Dario Trainer Tower
394
Camper Kamsi Trainer Tower
395
Sailor Winston Trainer Tower
396
Aroma Lady Aurora Canyon Entrance
397
Pokemon Ranger Morgan Canyon Entrance
398
Juggler Peter Canyon Entrance
399
Crush Girl Cydny Sevault Canyon
400
Crush Girl Micaiah Sevault Canyon
401
Tamer Kevin Sevault Canyon
402
Ruin Maniac Brett Tanoby Key
403
Ruin Maniac Bartoc Tanoby Ruins
404
Painter Edna Tanoby Ruins
405
Ruin Maniac Cliff Tanoby Ruins
406
??? Tanoby Chambers
407
??? Tanoby Chambers
408
??? Tanoby Chambers
409
??? Tanoby Chambers
410
??? Tanoby Chambers
411
??? Navel Rock
412
??? Navel Rock
413
??? Birth Island
414
??? Birth Island
415
??? Birth Island
416
??? Birth Island
Prizes and Drop Rates
Sevii Islands Sidequest rewards will always drop an avatar of a Pokémon from the Kanto or Johto region.