Mariner of the Seas - December 12, 2026 Itinerary Map with Port Markers
Mariner of the Seas
New Orleans, Loui
Cozumel, Mexico
George Town, Gran

Mariner of the Seas - December 12, 2026

The December 12, 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 different cruise port destinations, including its departure port. The Mariner of the Seas sets sail on Saturday, Dec 12th and returns on Saturday, Dec 19th.

7nights

December 12, 2026

Dec 12th - Dec 19th

Mariner of the Seas

Mariner of the Seas

Royal Caribbean Cruise Line

Mariner of the Seas - December 12, 2026

7 Night Western Caribbean

from New Orleans, Louisiana

Cruise Price - Historic & Current

The graph below tracks historic price of the Mariner of the Seas cruise ship departing December 12, 2026. The most recent price for this sailing starts at $698 ($100 per night) for an Inside Cabin. Compared to the average price of $703 ($101 per night), this represents a recent decrease of 1%.

Use the buttons below to toggle between cabin types.

inside
$698
($99/night)
see details
oceanview
$748
($106/night)
see details
balcony
$893
($127/night)
see details
suite
$1,399
($199/night)
see details
Mariner of the Seas Size Infographic

Mariner of the Seas

139 k
tonnage
1,020 ft
length
2003
year built
1,674
cabins
3,114
passengers
1,185
crew

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.

Itinerary

Mariner of the Seas - December 12, 2026 - 7 Nights

DayDatePort
1Dec 11thNew Orleans, Louisiana
2Dec 12thAt Sea
3Dec 14thCozumel, Mexico
4Dec 15thGeorge Town, Grand Cayman
5Dec 16thFalmouth, Jamaica
6Dec 16thAt Sea
7Dec 17thAt Sea
8Dec 19thNew Orleans, Louisiana

Cruise Itinerary

The Mariner of the Seas sails on December 12, 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 19th 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.

Day1
DEC 122026
D:3:00 PM

New Orleans is world famous for its crowd-pleasing parades and parties. Here, every day is an eating event featuring the best food in the world. From haute cuisine to hominy grits there are flavors of every taste. Witness living history in the fabulous French Quarter and shop in one-of-a-kind boutiques. Tour a world class zoo and aquarium, or just glide across the water on a paddlewheel boat.

Day2
DEC 132026
At Sea

Take advantage of the many on board activites during your day at sea. You'll have more than enough to fill your day!

Day3
DEC 142026
A:6:00 AMD:3:00 PM

Sitting just off the gorgeous Yucatan coast, Cozumel revels in its mythic white-sand beaches and world-class coral reefs. Yet Cozumel is also the last stronghold of the Mayas, who settled the island in 300 A.D. Residents still speak Maya, and sometimes wear traditional Mayan clothing. Nearby stand the great pyramids and temples of their ancestors.

Day4
DEC 152026
A:8:30 AMD:5:00 PM

George Town is the capital of the Cayman Islands, and is situated directly on Grand Cayman. Once a center of turtle fishing, the area is now a popular tourist destination. Snorkeling and diving are especially popular, and the opportunity to swim with and feed the giant, graceful stingrays should not be missed. Don't worry--it is said that no one has ever been stung.

Day5
DEC 162026
A:7:00 AMD:4:00 PM

Falmouth is the chief town and capital of the parish of Trelawny in Jamaica. It is situated on Jamaica's north coast 18 miles east of Montego Bay. It is noted for being one of the Caribbean's best-preserved Georgian towns. The town was meticulously planned from the start, with wide streets in a regular grid, adequate water supply, and public buildings. It had piped water earlier than New York City.

Day6
DEC 172026
At Sea

Take advantage of the many on board activites during your day at sea. You'll have more than enough to fill your day!

Day7
DEC 182026
At Sea

Take advantage of the many on board activites during your day at sea. You'll have more than enough to fill your day!

Day8
DEC 192026
A:5:00 AM

New Orleans is world famous for its crowd-pleasing parades and parties. Here, every day is an eating event featuring the best food in the world. From haute cuisine to hominy grits there are flavors of every taste. Witness living history in the fabulous French Quarter and shop in one-of-a-kind boutiques. Tour a world class zoo and aquarium, or just glide across the water on a paddlewheel boat.