Did this cruise in 2006. The ports are different as we stopped in Zihuatenejo Mexico, Lima, Peru, and Golfito, Costa Rica. Balboa was to take on fuel only, so no one was able to get off the ship since we were only there for a few hours.
Valparaiso is a cool place. Lots of neat European type architecture and they make some really good wine there. Be ready to drink it though since getting it back to the states is $$$ and we know what the consequences of getting caught with it on board the ship. There is a seaman’s center and the food there is really good. To get around there is a train that runs from one side of the city to the other and its rather cheap.
If this is your senior cruise, make the most of it. As much BS as it is, at the end you’ll look back and realize that you had an awesome time with some of the best friends that you’ve made at the Academy.