Translation of passive in Spanish

At the end of October my family will be taking a short vacation to Biron Bay north of Sidney. My wife wants to visit the coast. There are many good restaurants near Brion Bay with fresh seafood.
Considering that the lake was full of crocodiles we gave in to their demand and bought a can of Coca Cola. It cost us two dollars, and considering Cambodia's wholesale price they got plenty of markup.
All taxi drivers recommended that we stay in the hotel, watch TV, refrain from physical effort and drink Mate tea in order to get used to the altitude. We made the mistake and didn't listen to them