"Hotel without a bathroom" in Spanish is "hotel sin un baño". It is pronounced "oh-TEL seen oon BAHN-yo". Please see the Related link below for confirmation of the translation.
'Bathroom' in Spanish is 'bano' (there is a tilde above the 'n').
The words for bathroom in Spanish are: El baño or Cuarto de baño.
To say 'He is going to the bathroom' you would say 'Va al baño.'
Huésped del hotel.
en el baño
I'm assuming that you're talking about a private hotel bathroom that comes with your room. A hotel bathroom is just like any other bathroom; don't spill lotions, or leave puddles/hair/used towels all over the place and I'd say you're good.
In spanish: Donde esta su bano?
donde está el baño
¿Dónde está el baño?
"cuarto de baño"
Tengo que encontrar un hotel.
administrar un pequeño hotel