Spoink locations — where to catch

In Paldea (Scarlet & Violet)

• East Province (Area One) — Walk
• South Province (Area Five) — Walk
• South Province (Area Three) — Walk

In Kitakami (Scarlet & Violet – The Teal Mask)

• Fellhorn Gorge — Walk
• Infernal Pass — Walk
• Kitakami Wilds — Walk
• Oni Mountain — Walk
• Paradise Barrens — Walk
• Timeless Woods — Walk
• Wistful Fields — Walk

In Sinnoh (Diamond, Pearl & Platinum)

• Route 214 — Walk

In Johto & Kanto (HeartGold & SoulSilver)

• Ilex Forest — Walk
• Viridian Forest — Walk

In Hoenn (Ruby, Sapphire & Emerald)

• Jagged Pass — Walk

Other games (4)

• Brilliant Diamond / Shining Pearl (Gen 8): Route 214
• Omega Ruby / Alpha Sapphire (Gen 6): Jagged Pass
• X / Y (Gen 6): Kalos Route 8
• Black 2 / White 2 (Gen 5): Reversal Mountain

Spoink — full Pokédex entry