Translation of regrettably 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.
It is better to loose two dollars than a leg to some stupid crocodile. We moved on and the boat driver took us to a farm close to the floating village. There were all sorts of animals.
We spent a few hours around Plaza de Armas, the main square of the town, eating, shopping and sightseeing. A hassling boy tried to sell us some Peruvian chocolate for one Peso.