Norwegian Prima ranks #5 out of 19 Norwegian Cruise Line Cruise Ships based on an analysis of expert and user ratings, as well as health ratings. #5. ... Deck Plans. Norwegian Prima contains 16 decks.

The 3,215-passenger Prima's Haven by Norwegian, the line's ship-within-a-ship concept of upscale accommodations and private amenities, will span seven decks, making it the largest such area on any ...