Royal Caribbean International · Ship schedule
Mariner of the Seas cruise schedule
Browse Mariner of the Seas sailings and every published port call for September 2026.
Sailing calendar
See each cruise span and the ports Mariner of the Seas visits throughout the month.
September 2026
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Mariner of the Seas port calls in September 2026
Each date appears once, with every published sailing that includes the ship's visit.
| Date | Port | Sailing |
|---|---|---|
|
11:59 AM – 7:00 PM
|
Costa Maya (Mahahual) | |
|
7:00 AM – 5:00 PM
|
Cozumel | |
|
3:00 PM
|
Galveston | |
|
11:59 AM – 7:00 PM
|
Costa Maya (Mahahual) | |
|
7:00 AM – 5:00 PM
|
Cozumel | |
|
3:00 PM
|
Galveston
Dock
|
|
|
7:00 AM – 5:00 PM
|
Cozumel
Dock
|
|
|
3:00 PM
|
Galveston
Dock
|
|
|
11:59 AM – 7:00 PM
|
Costa Maya (Mahahual)
Dock
|
|
|
7:00 AM – 5:00 PM
|
Cozumel
Dock
|
|
|
3:00 PM
|
Galveston
Dock
|
|
|
11:59 AM – 7:00 PM
|
Costa Maya (Mahahual)
Dock
|
|
|
7:00 AM – 5:00 PM
|
Cozumel
Dock
|
|
|
3:00 PM
|
Galveston
Dock
|
|
|
7:00 AM – 5:00 PM
|
Cozumel
Dock
|
|
|
3:00 PM
|
Galveston
Dock
|
|
|
11:59 AM – 7:00 PM
|
Costa Maya (Mahahual)
Dock
|