|Similar creatures||Dragons, Sea Dragons, Seahorses|
|Appeared||Soda Seas and Clam Waters|
A Sea Monster is a type of reptilian-like creature currently living in the sea. They are usually big and they care for each other and get worried when they can not find another sea monster. They don't attack penguins (as revealed in Shadow Guy and Gamma Gal: Heroes Unite!).
Known Sea Monsters
- Webnark - A Tall sea monster who thought his friend was on the Club Penguin Island.
- Glabook - A green colored sea moster, a friend of Webnark.