"Where are the restrooms?"

Question

"Where are the restrooms?"

Answer 1

al fondo a la izquierda (generalmente)

Answer 2

In plural form, as you asked, it is:

Dónde están los baños?

By the way, you can translate simple sentences much more quickly by using the "Translate" function at the top.

Answer 3

Hola!

¿Dónde está el baño? is the most common use of "Where is the restrooms?".

However, a more formal and less used way to say this is "¿Dónde están los cuartos de baño?, which tranlates to "Where are the bath quarters?".

Hope this helps!