4 Night Western Caribbean (Galveston Roundtrip)
Mariner of the Seas
Mariner of the Seas
May 7, 2026
4 Night Western Caribbean

Mariner of the Seas - 5/7/2026

The May 7, 2026 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 cruise port destinations, including its departure port. The Mariner of the Seas sets sail on Thursday, May 7th and returns on Monday, May 11th.

Cruise Length
4
Night Cruise
Departure Port
Galveston
Texas
Port Stops
2
Sea Days
2

Cruise Pricing

The graph below tracks historic price of the Mariner of the Seas cruise ship departing May 7, 2026. The most recent price for this sailing starts at $452 ($113 per night) for an Inside Cabin. Compared to the average price of $566 ($142 per night), this represents a recent decrease of 20%.

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Inside Cabin
$452
20%
vs Avg $566
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Cruise Itinerary

Itinerary

Mariner of the Seas - May 7, 2026 - 4 Nights

DayDatePort
1May 7thGalveston, Texas
2May 8thAt Sea
3May 9thCozumel, Mexico
4May 10thAt Sea
5May 11thGalveston, Texas

The Mariner of the Seas sails on May 7, 2026 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 May 11th 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.

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.

Itinerary Safety Rank
69 / 100
safer than 69% of all cruises
69
7
/ 10
Galveston, Texas
Galveston
Travelers should remain vigilant in certain areas of Galveston and stay informed about weather hazards to ensure a safe cruise experience.
7
/ 10
Cozumel, Mexico
Cozumel
Cozumel is generally safe for tourists, but remain vigilant against petty crime and avoid risks in surrounding areas.

Cruise Ship

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.

Cruise Ports

Day1
MAY 72026
United States
D:4:00 PM

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)

Day2
MAY 82026
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
MAY 92026
A:7:00 AMD:5:00 PM

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)

Day4
MAY 102026
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
MAY 112026
United States
A:7:00 AM

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)