Where to find Tentacool in Sun, Moon, Ultra Sun & Ultra Moon

SOS Encounter: Hano Beach (15%), Route 1, Route 14 (Only in Sun & Moon) + 8 more
Surf: Hano Beach (100%), Route 1 (40%, Only in Sun & Moon), Route 14 (40%, Only in Sun & Moon) + 7 more
Unknown: Route 8, Hau'oli City (Only in Sun & Moon), Route 1 (Only in Ultra Sun & Ultra Moon)

• Brooklet Hill — SOS Encounter, Surf
• Hano Beach — SOS Encounter, Surf
• Hau'oli City — SOS Encounter, Unknown, Surf
• Kala’e Bay — SOS Encounter, Surf
• Melemele Sea — SOS Encounter, Surf
• Route 1 — SOS Encounter, Surf, Unknown
• Route 14 — SOS Encounter, Surf
• Route 15 — SOS Encounter, Surf
• Route 7 — SOS Encounter, Surf
• Route 8 — SOS Encounter, Unknown
• Secluded Shore — SOS Encounter, Surf

Tentacool also appears in

• Tentacool location in Scarlet & Violet – The Indigo Disk
• Tentacool location in Legends: Arceus
• Tentacool location in Brilliant Diamond & Shining Pearl
• Tentacool location in Sword & Shield
• Tentacool location in HeartGold & SoulSilver
• Tentacool location in Diamond, Pearl & Platinum
• Tentacool location in FireRed & LeafGreen (Kanto)
• Tentacool location in FireRed & LeafGreen (Sevii Islands)
• Tentacool location in Ruby, Sapphire & Emerald
• Tentacool location in Gold, Silver & Crystal
• Tentacool location in Red, Blue & Yellow

How to get Tentacool in Sun, Moon, Ultra Sun & Ultra Moon

Its base catch rate is 190 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 Great Ball or Lure Ball.

Evolution: Tentacool → Tentacruel (Level 30).

Tentacool in every game · Pokémon Sun, Moon, Ultra Sun & Ultra Moon interactive map (Alola)