Mariner of the Seas - July 31, 2025 Itinerary Map with Port Markers
Mariner of the Seas
Galveston, Texas
Cozumel, Mexico
Galveston, Texas

Mariner of the Seas - July 31, 2025

The July 31, 2025 cruise on the Mariner of the Seas departs from Galveston, Texas. On this 4 Night Western Caribbean (Galveston Roundtrip) sailing, the ship will visit a total of 2 different cruise port destinations, including its departure port. The Mariner of the Seas sets sail on Thursday, Jul 31st and returns on Monday, Aug 4th.

4nights

July 31, 2025

Jul 31st - Aug 4th

Mariner of the Seas

Mariner of the Seas

Royal Caribbean Cruise Line

Mariner of the Seas - July 31, 2025

4 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 July 31, 2025. The most recent price for this sailing starts at $483 ($121 per night) for an Inside Cabin. Compared to the average price of $565 ($142 per night), this represents a recent decrease of 15%.

Use the buttons below to toggle between cabin types.

inside
$483
($120 / night)
see details
oceanview
$732
($183 / night)
see details
balcony
$821
($205 / night)
see details
suite
$1,151
($287 / 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 - July 31, 2025 - 4 Nights

DayDatePort
1Jul 31stGalveston, Texas
2Aug 1stAt Sea
3Aug 2ndCozumel, Mexico
4Aug 3rdAt Sea
5Aug 4thGalveston, Texas

Cruise Itinerary

The Mariner of the Seas sails on July 31, 2025 for a 4 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 Aug 4th at 7:00 AM. During the 5-day journey, the Mariner of the Seas will visit 1 additional port and will spend 2 days at sea.

Day1
JUL 312025
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
AUG 12025
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
AUG 22025
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.

Day4
AUG 32025
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!

Day5
AUG 42025
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.