While the Norwegian Prima does not have a dedicated "traditional" swimming pool for adults only, it offers a sophisticated adults-only sanctuary called the Vibe Beach Club. Located on Deck 17, this exclusive 18+ area features two large infinity hot tubs, a full-service bar, and luxurious padded loungers with stunning ocean views. Access to the Vibe Beach Club requires a paid day or week-long pass, which ensures the area remains quiet and uncrowded. For adults seeking actual swimming without kids, the Infinity Beach on Deck 8 features two infinity pools that, while technically open to all ages, tend to be much quieter and popular with adults. Additionally, the Mandara Spa’s Thermal Suite offers a dedicated thalassotherapy pool and vitality pools for adults who have purchased spa passes, providing a serene, kid-free water experience in a high-end wellness environment.