

The December 19, 2026 cruise on the Mariner of the Seas departs from New Orleans, Louisiana. On this 7 Night Western Caribbean (New Orleans Roundtrip) sailing, the ship will visit a total of 4 cruise port destinations, including its departure port. The Mariner of the Seas sets sail on Saturday, Dec 19th and returns on Saturday, Dec 26th.
The graph below tracks historic price of the Mariner of the Seas cruise ship departing December 19, 2026. The most recent price for this sailing starts at $1,021 ($146 per night) for an Inside Cabin. Compared to the average price of $1,147 ($164 per night), this represents a recent decrease of 11%.
Use the buttons below to toggle between cabin types.
Mariner of the Seas - December 19, 2026 - 7 Nights
| Day | Date | Port |
|---|---|---|
| 1 | Dec 18th | New Orleans, Louisiana |
| 2 | Dec 19th | At Sea |
| 3 | Dec 21st | Cozumel, Mexico |
| 4 | Dec 22nd | George Town, Grand Cayman |
| 5 | Dec 23rd | Montego Bay, Jamaica |
| 6 | Dec 23rd | At Sea |
| 7 | Dec 24th | At Sea |
| 8 | Dec 26th | New Orleans, Louisiana |
The Mariner of the Seas sails on December 19, 2026 for a 7 Night Western Caribbean (New Orleans Roundtrip). The ship will depart the port of New Orleans, Louisiana at 3:00 PM and will return to the port of New Orleans, Louisiana on Dec 26th at 5:00 AM. During the 8-day journey, the Mariner of the Seas will visit 3 additional ports and will spend 3 days at sea.
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.

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.
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.
New Orleans, Louisiana, offers docking at New Orleans Port. Travelers explore French Quarter and Garden District. Excursions include swamp tours in Honey Island. Local markets sell beignets. The peak season, February to May, brings mild weather for river tours. Photography captures jazz streets and Mississippi vistas. Dining onboard includes gumbo, a Cajun favorite. Souvenirs, like Mardi Gras crafts, are sold in ship shops. Briefings cover Creole history. Light clothing and sun protection suit the subtropical climate, while comfortable shoes enhance city walks. New Orleans’ cultural charm offers a vibrant American stop. Cruise travelers enjoy a mix of historic districts and lively music, making New Orleans an engaging destination. (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!
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)
George Town, Grand Cayman, offers docking at George Town Port. Travelers explore Seven Mile Beach and Stingray City. Excursions include snorkeling at Coral Gardens. Local markets sell jerk chicken. The peak season, December to April, brings warm weather for coastal tours. Photography captures turquoise waters and Caribbean vistas. Dining onboard includes conch chowder, a Caymanian favorite. Souvenirs, like turtle crafts, are sold in ship shops. Briefings cover Taino history. Light clothing and sun protection suit the tropical climate, while water shoes enhance reef exploration. George Town’s coastal allure offers a vibrant Cayman stop. Cruise travelers enjoy a mix of pristine beaches and marine adventures, making George Town an engaging destination. (126 words)
Montego Bay, Jamaica, offers docking at Montego Bay Port. Travelers explore Rose Hall Great House and Doctor’s Cave Beach. Excursions include rafting on Martha Brae. Local markets sell jerk chicken. The peak season, December to April, brings warm weather for coastal tours. Photography captures colonial estates and Caribbean vistas. Dining onboard includes ackee and saltfish, a Jamaican favorite. Souvenirs, like reggae crafts, are sold in ship shops. Briefings cover Taino history. Light clothing and sun protection suit the tropical climate, while water shoes enhance beach exploration. Montego Bay’s vibrant charm offers a lively Jamaican stop. Cruise travelers enjoy a mix of historic sites and scenic beaches, making Montego Bay an engaging destination. (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!
Take advantage of the many on board activites during your day at sea. You'll have more than enough to fill your day!
New Orleans, Louisiana, offers docking at New Orleans Port. Travelers explore French Quarter and Garden District. Excursions include swamp tours in Honey Island. Local markets sell beignets. The peak season, February to May, brings mild weather for river tours. Photography captures jazz streets and Mississippi vistas. Dining onboard includes gumbo, a Cajun favorite. Souvenirs, like Mardi Gras crafts, are sold in ship shops. Briefings cover Creole history. Light clothing and sun protection suit the subtropical climate, while comfortable shoes enhance city walks. New Orleans’ cultural charm offers a vibrant American stop. Cruise travelers enjoy a mix of historic districts and lively music, making New Orleans an engaging destination. (126 words)