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

SOS Encounter: Ten Carat Hill, Vast Poni Canyon
Walk: Ten Carat Hill (20%), Vast Poni Canyon (20%)
Gift: Poké Pelago (Only in Sun & Moon)

Carbink also appears in

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

Its base catch rate is 60 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 Heavy Ball or Dive Ball.

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