Six years ago we Norwegian Jewel on an 11 day itinerary. Its good sized ship for Alaska. The balcony rooms are good sized and there is great deck space available and a nice forward deck. On Norwegian you will get poorer docking position resulting in longer walks,but if you are fit it wont matter. ( We were in our 70's) The dinner is open seating and casual. Food is mediocre at best. Entertainment is generally good, if you even have time for it, because in Alaska the days are looonnnnng and the scenery is non-stop. Best of all NCL is affordable if you watch sales. We paid the same for our 11 day cruise as we would have paid for a 7 day on other lines. To make up for the mediocre food we splurged at a couple of ports on great seafood and spent our vacay dollars on fantastic shore excursions. We had a second one planned on Norwegian Sun for 2020. It was cancelled by Covid! I strongly recommend late May for best weather.