SOS Encounter: Exeggutor Island (10%)
Looking for Goodra? It isn't found in the wild in this game — evolve Sliggoo (Level 50).
Its base catch rate is 45 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 Dream Ball, Dusk Ball or Master Ball.
Evolution: Goomy → Sliggoo (Level 40) → Goodra (Level 50).
Sliggoo in every game · Pokémon Sun, Moon, Ultra Sun & Ultra Moon interactive map (Alola)