Translation of washbasin in Spanish

We agreed to stay in the room with no windows and unpacked our bags. We wanted to have dinner and went out to a Sushi restaurant a friend told us about. It was a great place with great atmosphere.
I am learning Spanish in university but I also have to improve it for private reasons. Do you have any suggestions. It is giving me a hard time lately as it is difficult. I need to be very patient.
We caught the last bus leaving from Calama to San Pedro the Atacama in the Atacama desert, the driest place on earth. Even NASA is using this place as a live moon simulation area. It was night though.