Yes, the Norwegian Prima (NCL) features several dedicated adults-only spaces designed for those seeking a more tranquil environment away from the family-centric areas of the ship. The most prominent is Vibe Beach Club, an exclusive, restricted-access outdoor lounge that requires a paid pass. It features its own bar, luxury loungers, and infinity whirlpools with stunning ocean views. Because passes are limited, it maintains a quiet, upscale atmosphere throughout the cruise. Additionally, the Mandara Spa and its Thermal Suite provide a serene, adults-oriented sanctuary with saunas, salt rooms, and a "floatation" salt pool. While not strictly "adults-only" by rule, the high-end specialty dining venues and certain late-night lounges like the Belvedere Bar tend to be de facto adult spaces. For those staying in The Haven—NCL’s "ship-within-a-ship" luxury enclave—there is a private sundeck and lounge that, while technically open to all Haven guests, is almost exclusively used by adults seeking privacy. These areas ensure that even on a large, high-energy ship like the Prima, there are plenty of retreats for grown-ups to relax in peace.