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

SOS Encounter: Brooklet Hill
Surf: Brooklet Hill (40%)
Walk: Brooklet Hill (20%)

Surskit also appears in

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

Its base catch rate is 200 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 Quick Ball or Moon Ball.

Evolution: Surskit → Masquerain (Level 22).

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