The 5 Top Cleanest Cruise Lines for 2026
The Centers for Disease Control and Prevention's Vessel Sanitation Program inspects cruise ships for health and cleanliness, and U.S. News used this data to rank the top 5 cleanest cruise lines for 2026. Explora Journeys, Viking Ocean Cruises, and Oceania Cruises were among the top-rated cruise lines, with Explora Journeys receiving a perfect health rating of 5/5.
The Centers for Disease Control and Prevention's (CDC) Vessel Sanitation Program conducts unannounced health inspections on cruise ships throughout the year. U.S. News reviewed CDC data from April 2023 to July 2025 to identify the top 5 cleanest cruise lines for 2026. The CDC's Vessel Sanitation Program inspects ships in eight major areas, including medical centers, drinking water, and galleys. Ships can receive a score of up to 100, with scores of 85 or lower labeled 'unsatisfactory.' Explora Journeys received a perfect health rating of 5/5, with its ships, Explora I and Explora II, receiving perfect scores of 100 in all three inspections between January 2024 and February 2025. Viking Ocean Cruises and Oceania Cruises also received high health ratings, with 4.9/5, due to their rigorous cleaning protocols and upgraded medical centers. The top-rated cruise lines have implemented various health measures, including frequent disinfection, sophisticated air filtration systems, and UV-C light sanitation.
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