Mariner of the Seas - September 20, 2025 Itinerary Map with Port Markers
Mariner of the Seas
Galveston, Texas
Costa Maya
Cozumel, Mexico

Mariner of the Seas - September 20, 2025

The September 20, 2025 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 different cruise port destinations, including its departure port. The Mariner of the Seas sets sail on Saturday, Sep 20th and returns on Thursday, Sep 25th.

5nights

September 20, 2025

Sep 20th - Sep 25th

Mariner of the Seas

Mariner of the Seas

Royal Caribbean Cruise Line

Mariner of the Seas - September 20, 2025

5 Night Western Caribbean

from Galveston, Texas

Cruise Price - Historic & Current

The graph below tracks historic price of the Mariner of the Seas cruise ship departing September 20, 2025. The most recent price for this sailing starts at $472 ($95 per night) for an Inside Cabin. Compared to the average price of $412 ($83 per night), this represents a recent increase of 14%.

Use the buttons below to toggle between cabin types.

inside
$472
($94 / night)
see details
oceanview
$567
($113 / night)
see details
balcony
$721
($144 / night)
see details
suite
$906
($181 / 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 - September 20, 2025 - 5 Nights

DayDatePort
1Sep 20thGalveston, Texas
2Sep 21stAt Sea
3Sep 22ndCosta Maya (Mahahual), Mexico
4Sep 23rdCozumel, Mexico
5Sep 24thAt Sea
6Sep 25thGalveston, Texas

Cruise Itinerary

The Mariner of the Seas sails on September 20, 2025 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 Sep 25th 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.

Day1
SEP 202025
United States
D:4:00 PM

Galveston, Texas offers everything from entertainment to shopping, to over 32 miles of Gulf Coast beaches. Galveston's festivals, special events and attractions are enjoyable for islanders and tourists alike. Arts and entertainment is as much a part of the area's history as its Victorian architecture, and Galveston sparkles at night, from theater, music and dance, to reggae, rock and country.

Day2
SEP 212025
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
SEP 222025
A:11:59 AMD:7:00 PM

Costa Maya is located on the Mayan Riviera, so named because was the home of the Mayans. Lush jungle vegetation is juxtaposed with beautiful beaches that have recently become the destination for scuba divers and snorkelers wishing to explore the untouched coral reef. or take a drive through the jungle and see an amazing combination of birds and mammals, like the wild deer and jaguars, spider monkeys, monkeys, and even alligators.

Day4
SEP 232025
A:7:00 AMD:5:00 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.

Day5
SEP 242025
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!

Day6
SEP 252025
United States
A:7:00 AM

Galveston, Texas offers everything from entertainment to shopping, to over 32 miles of Gulf Coast beaches. Galveston's festivals, special events and attractions are enjoyable for islanders and tourists alike. Arts and entertainment is as much a part of the area's history as its Victorian architecture, and Galveston sparkles at night, from theater, music and dance, to reggae, rock and country.