From
$392per person
excluding taxes & port feesor from $/mo
4 Night Western Caribbean Cruise
Royal Caribbean · Mariner of the Seas
4 Night Western Caribbean Cruise
Royal Caribbean · Mariner of the Seas
Itinerary
Day 1 · September 10, 2026
Galveston, TexasDeparts at 3:00 PM
Day 2 · September 11, 2026
At sea
Day 3 · September 12, 2026
Cozumel, Mexico7:00 AM - 5:00 PM
Day 4 · September 13, 2026
At sea
Day 5 · September 14, 2026
Galveston, TexasArrives at 7:00 AM
Shore excursions
Up to 40% off all shore excursions
Playa Mia Grand Beach Break
Everybody Loves Rays & Sharks!
3 Reef Snorkel by Boat
Fury Catamaran Snorkel and Beach Break
Legacy of the Maya: Ruins and Chocolate Tasting
All Terrain Buggy Ride and Beach Snorkel Adventure
Coral Gardens Shore Dive
Excursions available for purchase after booking
Amenities
About the ship
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Mariner of the Seas
Year built2003
Refurbished2018
Guest capacity3,114
Onboard crew1,200
Length (ft)1,019
Gross tonnage138,279