I was pleasantly suprised when we ended up at the CostaLunga, in boca chica. I would stay there again.
It was about as clean as you are going to find in the boca chica area and way better then the other hotels in the area which are all dingy and run down looking.
The bed mattresses are very hard and not very comfortable.

They werent very good at returning emails so i would suggest calling them and setting up reservations that way, and i woudl know some spanish if you are doing this.
It was a quieter area of boca chica, we only had one night when we were woken up by noise. more