How to shiny hunt using Island Scan in Pokémon Ultra Sun.
Scanning QR codes to summon one special Pokémon per day.
Odds with charm
1 / 1,365
Odds no charm
1 / 4,096
Per encounter
~600s
Expected hunt
9.5 days
How the hunt works
Spend 100 scan points to trigger the day's Island Scan, then find the Pokémon in its listed area. One attempt per day makes this the slowest hunt in the game.
One per day.
The base rate in Pokémon Ultra Sun is 1 in 4,096. The Shiny Charm is available in this game and adds two extra shiny rolls.
Pokémon you can find with Island Scan in Ultra Sun
28 species, sorted by best encounter rate.
| Pokémon | Best rate | Levels | Locations |
|---|---|---|---|
 Bulbasaur | 100% | 10 | 1 |
 Charmander | 100% | 12 | 1 |
 Squirtle | 100% | 12 | 1 |
 Beedrill | 100% | 14 | 1 |
 Pidgeot | 100% | 29 | 1 |
 Onix | 100% | 14 | 1 |
 Rhyhorn | 100% | 32 | 1 |
 Horsea | 100% | 18 | 1 |
 Swinub | 100% | 33 | 1 |
 Grovyle | 100% | 16 | 1 |
 Combusken | 100% | 20 | 1 |
 Marshtomp | 100% | 17 | 1 |
 Ralts | 100% | 17 | 1 |
 Aggron | 100% | 57 | 1 |
 Spheal | 100% | 19 | 1 |
 Grotle | 100% | 36 | 1 |
 Monferno | 100% | 29 | 1 |
 Prinplup | 100% | 35 | 1 |
 Rotom | 100% | 61 | 1 |
 Leavanny | 100% | 57 | 1 |
 Eelektross | 100% | 55 | 1 |
 Litwick | 100% | 9 | 1 |
 Axew | 100% | 30 | 1 |
 Chesnaught | 100% | 45 | 1 |
 Delphox | 100% | 44 | 1 |
 Greninja | 100% | 44 | 1 |
 Scatterbug | 100% | 9 | 1 |
 Honedge | 100% | 24 | 1 |