Translation of especialización

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.
We had time to walk around the waterfall but refrained from entering the little lake at the bottom. My fellow tourtakers were quiet nice and we spend a while just sitting in the grass near the water.
The ferry took me to the island. Sitting next to me there was a local guy with two packs of beer, and he seemed pretty drunk for this hour of the day. He offered me some beer and I was polite.