Where to find Vanillite in Sun, Moon, Ultra Sun & Ultra Moon

SOS Encounter: Mount Lanakila (11%, Only in Ultra Sun & Ultra Moon), Tapu Village (10%)

Vanillite also appears in

How to get Vanillite in Sun, Moon, Ultra Sun & Ultra Moon

Its base catch rate is 255 out of 255 (higher is easier); the catch rate calculator works out your odds with each ball. For the look, the best colour match is Dive Ball.

Evolution: Vanillite → Vanillish (Level 35) → Vanilluxe (Level 47).

Vanillite in every game · Pokémon Sun, Moon, Ultra Sun & Ultra Moon interactive map (Alola)