Translation of eightieth in Spanish

There is a little problem: I can't go to Malaga to attend my course because it is fully booked, I have to go to Barca instead, which means I can't even go to there cause it is too far and the plane lands in the afternoon.
The jet lag could be felt. We entered the floating village. People were actually living in boat houses and most of them seemed very poor. Their main income source was fishing and tourism.
Although we shared the ruins with about 3000 other tourists, it still left an amazing impression.