My guess would be that if they had to chose, they'd prefer pesos to spend them elsewhere outside the tourist area. That's just my guess tho.
I usually carry one of those waterproof plastic bags for phones around my neck, but instead of my phone I carry several $1~$5 bills for the pool....
Hello, Mike and Cynthia here, first timers Dates: 16 - 18 Boobs cruise: yos! [ATTACH]