Mariner of the Seas: Sanitation Record & Health Report
Score History
Inspection History
Outbreak Timeline
No outbreaks on record for the Mariner of the Seas.
Total outbreaks on record: 0
Safety score last updated: Feb 20, 2026
How Does This Compare?
USCG Deficiency Records
No USCG deficiencies on record.
Marine Casualties & Investigations
No marine casualties or investigations on record.
Crime Rate Context
Royal Caribbean Crime Rate
Based on DOT CVSSA quarterly crime reports, Royal Caribbean has a crime rate roughly in line with the industry average. This score applies to all ships in the fleet. Crime Score: 85/100.
Environmental Rating: B-
Making Effort
Score Breakdown
Friends of the Earth Report Card
USCG Environmental Compliance
✓ Clean environmental compliance record — no MARPOL deficiencies on file.
Crew Treatment: Crew's Choice
This score reflects how Royal Caribbean treats its crew — based on employee reviews, flag state quality, safety compliance, and editorial assessment. All ships in the Royal Caribbean fleet share this line-level rating.
Glassdoor Employee Rating
★★★★☆ 4.0Based on 3,339 employee reviews
Score Breakdown
Flag State Quality
Mariner of the Seas is registered under a Paris MOU White List flag state — the highest safety and compliance tier. Flag State Score: 100/100
Upcoming Sailings
| Voyage | Departs | Duration |
|---|---|---|
| 4 days, round-trip Western Caribbean Cruise | Mar 17 | 4N |
| 5 days, round-trip Western Caribbean Cruise | Mar 21 | 5N |
| 4 days, round-trip Western Caribbean Cruise | Mar 26 | 4N |
| 10 days, round-trip Western Caribbean Cruise | Mar 30 | 10N |
| 4 days, round-trip Western Caribbean Cruise | Apr 9 | 4N |
Sailing on Mariner of the Seas?
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Find Your Roll Call →How This Ship Compares
Should You Book?
Good For You If...
- You want a ship with a passing CDC score (93/100)
- A clean outbreak record matters to you
Proceed With Caution If...
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Frequently Asked Questions
The latest CDC sanitation score for the Mariner of the Seas is 93/100 as of April 14, 2025.
No, the Mariner of the Seas has never failed a CDC inspection. All recorded scores have been 86 or above.
No, the Mariner of the Seas has no recorded gastrointestinal illness outbreaks on file with the CDC.
Based on CDC inspection data and our editorial review, the Mariner of the Seas has a ShipTea rating of "🟢 Smooth Sailing". Check the full profile for detailed inspection history.
The Mariner of the Seas was last inspected by the CDC on April 14, 2025.