Alaska tends to be a little less dressy,. I think it's due to the extra clothes you have to pack because of the weather & temperatures. That said, if you do want to dress to the nines, you won't be out of place. You'll also be fine if you want to dress to the fives or the sevens. If you dress to the threes (shorts) you will be out of place. The twos (swimsuit & cover up) and the ones (swimsuit only) are inappropriate - and entirely too cold. Nobody wants to see you dressed to the zeroes with all the dangly bits hanging out. People will likely call security. (Like & Follow for more stupid tips!)