Translation of especulación

It turned out that they did not have a license to house foreigners but I was too tired and besides, where else would I go. Furthermore they insisted that I should not bring prostitutes to their home.
He advised against traveling in this region at night as they were many violent robberies and one should return before dusk. He told me that he himself got robbed about two months earlier just here.
I chose a room in the center of town. I went to the northern beach of the island which was supposedly the most beautiful one. There were many young tourist lying in the sand but I still felt foreign.