MSC Seaside receives mixed reviews. Many guests praise the ship's beautiful design, excellent entertainment, and some standout staff members. However, there are consistent complaints about small cabins and bathrooms, repetitive and bland food, inconsistent service, crowded public areas, and added charges. Excursions and port times are also a point of contention. While some travelers had a fantastic experience, others found the cruise lacking compared to other lines, particularly in food and service quality.