The Norwegian Sun receives mixed reviews, with many guests praising the friendly and hardworking staff, enjoyable itineraries, and the value of freestyle cruising. However, there are consistent criticisms regarding food quality, ship age, crowded areas, and some specialty services. Entertainment and excursions are generally well-received, though some guests found them lacking or overpriced. Overall, the cruise offers good value, especially for those prioritizing destination and service over luxury or gourmet experiences.