Check out - National Geographic Sea Bird, or National Geographic Sea Lion. Day 1 - Arrive Sitka, Alaska. Embark Ship. Day 2 - Southeast Alaska's Islands Bays and Fjords Day 3 - Point Adolphus and Inian Pass Day 4 - Glacier Bay National Park Day 5 - Frederick Sound and Chatam Strai Day 6 - Petersburg Day 7 - Tracy Arm Day 8 - Arrive Juneau, disembark Ship.
http://www.nationalgeographicexpeditions.com/expeditions/alaska-family-cruise/detail
http://www.nationalgeographicexpeditions.com/expeditions/alaska-family-cruise/detail