The Cleanest Ships at Sea: Top Cruise Lines Revealed in New Report
Many travelers are concerned about potential health risks when cruising, especially considering the close quarters on cruise ships. Despite the inherent risks of spreading viruses and bacteria, cruise lines prioritize hygiene and uphold strict cleanliness protocols as mandated by the Centers for Disease Control and Prevention (CDC) through their Vessel Sanitation Program.
Ships leaving U.S. ports are subjected to two unannounced inspections by the CDC each year, with the results made public. This transparency allows passengers to choose their cruises based on cleanliness standards. The travel insurance marketplace Squaremouth has analyzed the inspection data to identify the cleanest cruise lines for 2025.
Top 10 Cleanest Cruise Lines of 2025
Based on the CDC’s inspection scores, which are graded on a 100-point scale assessing various sanitation aspects, the following cruise lines achieved the highest cleanliness ratings:
- Viking Ocean Cruises
- Viking Expedition Cruises
- Crystal Cruises
- Oceania Cruises
- P&O Cruises
- Japan Grace
- Virgin Voyages
- Norwegian Cruise Line
- Celebrity Cruises
- Royal Caribbean International
Cruise lines were also categorized by parent company, revealing that independent brands tend to maintain higher cleanliness standards compared to larger corporations with multiple cruise lines. The cleanest parent companies for the year include:
- Viking
- Virgin Voyages
- Norwegian Cruise Line Holdings
- Disney Cruise Line
- Royal Caribbean Group
- Carnival Corp.
Each of these brands received impressive sanitation ratings of 94 and higher, with only one ship—Villa Vie Odyssey—failing inspection in 2025.
Noteworthy Achievements in 2026
As inspection results start coming in for 2026, Margaritaville at Sea has distinguished itself by achieving perfect inspection scores of 100 across its two ships, Paradise and Islander. This success underlines the company’s commitment to delivering a high standard of operational discipline as they prepare to launch a third ship, Beachcomber, in early 2027.
These cleanliness ratings underscore the importance of maintaining high hygiene standards for the cruise industry, ensuring travelers can enjoy their vacations with peace of mind.
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At CruiseShip.net, our editorial team is made up of passionate travelers, seasoned cruisers, and maritime industry enthusiasts who live and breathe life at sea. From the latest ship launches and destination spotlights to detailed reviews and onboard tips, we are dedicated to helping readers discover the joy of cruising.
Our mission is to make every article both inspiring and useful, whether you are planning your first voyage or your fiftieth. We research, fact-check, and collaborate with cruise insiders around the world to bring you accurate, up-to-date, and exciting coverage of the global cruise industry.
Join us as we chart new horizons, exploring one port, one ship, and one unforgettable experience at a time.
Editorial Team
At CruiseShip.net, our editorial team is made up of passionate travelers, seasoned cruisers, and maritime industry enthusiasts who live and breathe life at sea. From the latest ship launches and destination spotlights to detailed reviews and onboard tips, we are dedicated to helping readers discover the joy of cruising. Our mission is to make every article both inspiring and useful, whether you are planning your first voyage or your fiftieth. We research, fact-check, and collaborate with cruise insiders around the world to bring you accurate, up-to-date, and exciting coverage of the global cruise industry. Join us as we chart new horizons, exploring one port, one ship, and one unforgettable experience at a time.
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