Marill locations — where to catch
- Asado Desert — Walk
- East Province (Area One) — Walk
- East Province (Area Two) — Walk
- Poco Path — Walk
- South Province (Area Five) — Walk
- South Province (Area Four) — Walk
- South Province (Area One) — Walk
- South Province (Area Two) — Walk
- West Province (Area One) — Walk
- Great Marsh — Surf, Walk
- Route 212 — Walk
- Route 215 — Walk
- Trophy Garden — Walk
- Johto Safari Zone — Surf, Walk
- Mt. Mortar — Walk
- Petalburg City — Surf
- Route 102 — Surf
- Route 104 — Walk
- Route 111 — Surf
- Route 112 — Walk
- Route 114 — Surf
- Route 117 — Surf, Walk
- Route 120 — Surf, Walk
- Safari Zone — Surf
- Four Island — Surf
- Icefall Cave — Surf
- Ruin Valley — Surf, Walk
- Mt. Mortar — Surf, Walk
- Route 42 — Walk
Other games (6)
- Brilliant Diamond / Shining Pearl (Gen 8): Great Marsh, Trophy Garden
- Sword / Shield — The Isle of Armor (Gen 8): Fields of Honor, Soothing Wetlands
- Sun / Moon (Gen 7): Brooklet Hill
- Omega Ruby / Alpha Sapphire (Gen 6): Route 102, Route 111, Route 114, Hoenn Route 117, Route 117, Hoenn Route 120, Route 123, Petalburg City
- X / Y (Gen 6): Kalos Route 3
- Black 2 / White 2 (Gen 5): Abundant Shrine, Floccesy Ranch, Hidden Grotto, Pinwheel Forest, Relic Passage, Route 11, Unova Route 11, Unova Route 20, Unova Route 22, Unova Route 6, Unova Victory Road 2, Village Bridge
Marill — full Pokédex entry