We just disembarked from Koningsdam Alaska trip with our 2 teens and a 9 year old. If you are wondering what is offered for them (teens) on this cruise, I will tell you that it is limited to about 1 or 2 hours a day of activities geared toward them.  I advise your teens to make friends early on and then they are able to hang out. The staff was very good to them and they enjoyed evenings in the crow's nest.   One of the disappointments came from Mature cruisers (like myself) complaining about the