Where to find Tentacool in Red, Blue & Yellow

• Cinnabar Island — Super Rod, Surf
• Pallet Town — Super Rod
• Route 11 — Super Rod
• Route 12 — Super Rod
• Route 13 — Super Rod
• Route 17 — Super Rod
• Route 18 — Super Rod
• Sea Route 19 — Surf, Super Rod
• Sea Route 20 — Surf, Super Rod
• Sea Route 21 — Surf, Super Rod
• Seafoam Islands — Surf
• Vermilion City — Super Rod
• Viridian City — Super Rod, Surf

Tentacool in every game · Kanto interactive map

By game: Pokémon Red map · Pokémon Blue map · Pokémon Yellow map