DH and I are booked on the zuiderdam in November out of San diego. I've never done this itinerary before and don't speak spanish. I'm trying to set up shore excursions and am wondering if there are any ports that are easily doable (and safe) on your own. Also would appreciate any suggestions for tours in the stops of Puerto vallarta, Huatulco, Puerto quetzal, Corinto, Puerto caldero and cartegena. Also, how does one handle the differences in currencies in the smaller towns where dollars and credit cards are not accepted? Can you get small amounts of the local currency on board? TIA.