How to Say "seashell" in Spanish
The Spanish word for “seashell” is “caracol” — A1 level. This is a very common word in everyday Spanish.

Examples
Hay un caracol pequeño en esa planta.
There is a small snail on that plant.
A mis hijos les gusta buscar caracoles en la orilla del mar.
My children like looking for seashells at the seashore.
Subimos a la torre por una escalera de caracol.
We went up the tower via a spiral staircase.
Always Masculine
In Spanish, 'caracol' is always a masculine word ('el caracol'). Even if you are talking about a female snail, the word itself doesn't change to 'caracola'—that actually means a different type of large seashell!
Using 'de caracol' as a Description
When you want to describe something that has a spiral shape, you simply add 'de caracol' after the object, like 'una escalera de caracol' (a spiral staircase).
Snail vs. Slug
Mistake: “Using 'caracol' for a slug.”
Correction: Use 'babosa' for a slug. Remember: 'caracol' has a house (shell), 'babosa' does not!
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