Hi Fred and Pat! We did the first leg of the SA cruise last year from SF to Lima. There were 2 or 3 formal nights. La Verandah also adhered to casual dress everynight (similar to Voyager); the public areas follow the dress code after 6. You should be able to store excess luggage in the hotel in Cusco without much difficulty while you visit MP.

We packed lightly (one 22" suitcase and a carry-on backpack apiece) for that trip and found we had enough clothing choices (including a dark suit for Gary and a cocktail dress for me) with a few extra visits to the laundry room. It was one of the best trips we've taken. Cheers, Anne