SOS Encounter: Brooklet Hill
Super Rod: Brooklet Hill (1%)
Surf: Brooklet Hill (10%)
Looking for Milotic? It isn't found in the wild in this game — evolve Feebas.
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 Net Ball, Heal Ball or Moon Ball.
Evolution: Feebas → Milotic.
Feebas in every game · Pokémon Sun, Moon, Ultra Sun & Ultra Moon interactive map (Alola)