The cruise industry, a haven for travelers seeking relaxation and adventure, has long been scrutinized for its potential health risks. However, a recent study by Squaremouth Travel Insurance has shed light on the cleanliness standards of various cruise lines, revealing some surprising findings. The study, which analyzed data from the CDC's annual health and hygiene inspections, ranked the top 10 cleanest cruise lines, with a focus on independent brands outperforming large conglomerates. Interestingly, the age of the ship did not seem to impact its sanitation score, challenging the common belief that newer ships are inherently cleaner.
The top three cleanest cruise lines, according to the study, were a tie between Viking Ocean Cruises, Viking Expedition Operations, and Crystal Cruises, each scoring an impressive 99 out of 100. This achievement is a testament to their commitment to maintaining high sanitation standards. Gavin Macgregor-Skinner, an infection prevention expert, emphasized the importance of federal government programs like the Vessel Sanitation Program (VSP) in ensuring the health and safety of passengers and staff.
The study also revealed that the top 10 cleanest cruise lines included Oceania Cruises, P&O Cruises, Japan Grace, Virgin Voyages, Norwegian Cruise Lines, Celebrity Cruises, and Royal Caribbean International. Interestingly, Royal Caribbean's Adventure of the Seas, launched in 2001, ranked highly, defying the notion that age equates to cleanliness. All ships in the top 10 achieved scores above 97.12, surpassing the inspection passing threshold.
Despite the overall cleanliness of the cruise industry, the study highlighted a critical aspect: the rapid spread of viruses. Cruise ships, with their shared environments and high-touch surfaces, are susceptible to outbreaks. However, the CDC's strict cleaning protocols and the industry's routine reporting of illnesses to the federal government help mitigate these risks. Brian Sansoni, from the American Cleaning Institute, underscored the importance of strong cleaning and hygiene practices to prevent the rapid spread of germs in close quarters.
One surprising finding was the lack of correlation between viruses and cleanliness. Cruise ships, despite their impeccable sanitation, are prone to norovirus and other gastrointestinal illnesses. In 2025, the CDC reported 23 onboard outbreaks, emphasizing the challenge of maintaining a virus-free environment. Macgregor-Skinner noted that the cruise industry's comprehensive health data reporting sets it apart from other travel sectors, but it's crucial not to equate higher data availability with a higher incidence rate.
In conclusion, the cruise industry's dedication to cleanliness and health safety is evident, with independent brands excelling in sanitation. However, the study also highlights the ongoing challenges posed by viruses and the need for continuous vigilance in cleaning and hygiene practices. As travelers, it's essential to appreciate the efforts made by cruise lines while also being mindful of the potential risks, ensuring a safe and enjoyable voyage.