Mariner of the Seas - 10/3/2026
The October 3, 2026 cruise on the Mariner of the Seas departs from Galveston, Texas. On this 5 Night Western Caribbean (Galveston Roundtrip) sailing, the ship will visit a total of 3 cruise port destinations, including its departure port. The Mariner of the Seas sets sail on Saturday, Oct 3rd and returns on Thursday, Oct 8th.
Cruise Pricing
The graph below tracks historic price of the Mariner of the Seas cruise ship departing October 3, 2026. The most recent price for this sailing starts at $484 ($97 per night) for an Inside Cabin. Compared to the average price of $489 ($98 per night), this represents a recent decrease of 1%.
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Cruise Itinerary
Itinerary
Mariner of the Seas - October 3, 2026 - 5 Nights
| Day | Date | Port |
|---|---|---|
| 1 | Oct 3rd | Galveston, Texas |
| 2 | Oct 4th | At Sea |
| 3 | Oct 5th | Costa Maya, Mexico |
| 4 | Oct 6th | Cozumel, Mexico |
| 5 | Oct 7th | At Sea |
| 6 | Oct 8th | Galveston, Texas |
The Mariner of the Seas sails on October 3, 2026 for a 5 Night Western Caribbean (Galveston Roundtrip). The ship will depart the port of Galveston, Texas at 4:00 PM and will return to the port of Galveston, Texas on Oct 8th at 7:00 AM. During the 6-day journey, the Mariner of the Seas will visit 2 additional ports and will spend 2 days at sea.
Itinerary Safety Score
Based on my comprehensive research of cruise port safety information, including recent crime reports, travel advisories, Global Peace Index rankings, and specific port security concerns, we've created a "safety score" for each cruise port stop. The overall rating below represents a combined score for your specific cruise itinerary.
Cruise Ship
Mariner of the Seas
MARINER OF THE SEAS SIZE
The Mariner of the Seas has a construction date of 2003 and a total size of 138,279 gross tons. The ship measures 1,020 feet (311 meters) in length. Mariner of the Seas is included in Royal Caribbean’s Voyager Class. At full capacity, the Mariner of the Seas holds 4,299 passengers. That includes 3,114 cruise vacationers and 1,185 staff members. The Mariner of the Seas total number of staterooms is 1,674.
Mariner of the Seas Size & Stats
- Gross Tonnage:138,279 GT
- Length:1,020 ft (311 m)
- Beam:127 ft (39 m)
- Draft:29 ft (9 m)
- Max Speed:27 mph (23 kn)
- Year Built:2003
- Years Served:2003 - Present
- Capacity:3,114
- Crew Members:1,185
- Total on Board:4,299
- Total Staterooms:1,674
- Flagged Country:Bahamas
- Ship Cost:500 Million
- Status:active
To see how this compares, click through to see Mariner of the Seas age and stats vs all Royal Caribbean ships. There you’ll find graphs showing length, capacity, tonnage and more for this ship vs all in the fleet.
To check out the ship from top to bottom, click here for Mariner of the Seas Deck Plans.
Cruise Ports
Galveston, Texas, offers docking at Galveston Port. Travelers explore Moody Gardens and Historic Pleasure Pier. Excursions visit Houston’s Space Center. Local markets sell pecan pralines. The peak season, March to May, brings mild weather for coastal tours. Photography captures Victorian architecture and Gulf vistas. Dining onboard includes shrimp gumbo, a Texan favorite. Souvenirs, like cowboy crafts, are sold in ship shops. Briefings cover Texan history. Light clothing and sun protection suit the subtropical climate, while comfortable shoes enhance historic walks. Galveston’s coastal charm offers a vibrant American stop. Cruise travelers enjoy a mix of historic districts and scenic beaches, making Galveston an engaging destination for exploration. (126 words)
Take advantage of the many on board activites during your day at sea. You'll have more than enough to fill your day!
Costa Maya, Mexico, offers docking at Costa Maya Port. Travelers explore Chacchoben ruins and Bacalar Lagoon. Excursions include snorkeling at Mahahual Reef. Local markets sell tamales. The peak season, December to April, brings warm weather for coastal tours. Photography captures Mayan temples and Caribbean vistas. Dining onboard includes cochinita pibil, a Yucatecan favorite. Souvenirs, like woven crafts, are sold in ship shops. Briefings cover Mayan history. Light clothing and sun protection suit the tropical climate, while water shoes enhance reef exploration. Costa Maya’s coastal allure offers a vibrant Mexican stop. Cruise travelers enjoy a mix of ancient ruins and scenic lagoons, making Costa Maya an engaging destination for exploration. (126 words)
Cozumel, Mexico, offers docking at Cozumel Port. Travelers explore Chankanaab Park and San Gervasio ruins. Excursions include snorkeling at Palancar Reef. Local markets sell tacos. The peak season, December to April, brings warm weather for coastal tours. Photography captures coral reefs and Caribbean vistas. Dining onboard includes ceviche, a Mexican favorite. Souvenirs, like Mayan crafts, are sold in ship shops. Briefings cover Mayan history. Light clothing and sun protection suit the tropical climate, while water shoes enhance reef exploration. Cozumel’s coastal allure offers a vibrant Mexican stop. Cruise travelers enjoy a mix of ancient ruins and marine adventures, making Cozumel an engaging destination for exploration. (126 words)
Take advantage of the many on board activites during your day at sea. You'll have more than enough to fill your day!
Galveston, Texas, offers docking at Galveston Port. Travelers explore Moody Gardens and Historic Pleasure Pier. Excursions visit Houston’s Space Center. Local markets sell pecan pralines. The peak season, March to May, brings mild weather for coastal tours. Photography captures Victorian architecture and Gulf vistas. Dining onboard includes shrimp gumbo, a Texan favorite. Souvenirs, like cowboy crafts, are sold in ship shops. Briefings cover Texan history. Light clothing and sun protection suit the subtropical climate, while comfortable shoes enhance historic walks. Galveston’s coastal charm offers a vibrant American stop. Cruise travelers enjoy a mix of historic districts and scenic beaches, making Galveston an engaging destination for exploration. (126 words)