The Norwegian Sun receives mixed reviews, with many guests praising the friendly and hardworking staff, enjoyable itineraries, and good value for money. However, there are consistent criticisms regarding food quality, ship age, cabin comfort, and occasional issues with excursions and customer service. Entertainment and activities are generally appreciated, though some guests found them lacking compared to other cruise lines. The ship's cleanliness and atmosphere are mostly positive, but crowding and maintenance issues are noted. Overall, the Norwegian Sun offers a solid cruise experience, especially for those seeking value and a relaxed atmosphere, but may fall short for travelers seeking luxury or gourmet dining.