Mariner of the Seas

Royal Caribbean · Voyager class · 2003

Mariner of the Seas measures 139,863 gross tons, with room for 3,344 guests. Mariner of the Seas sails 7-night cruises from Galveston and moves to New Orleans in Nov 2026.

See cruise scheduleShip specifications
Aerial view of Mariner of the Seas sailing on deep blue sea from the stern quarter, with its waterslides on the top deck
credit
BuiltYear built
2003
TonnageGross tonnage
139,863
Decks
15
Cabins
1,675
Guests
3,344
4,001 at full occupancy
Crew
1,200

Mariner of the Seas cruise schedule

45 cruises in the next 12 months · open a cruise to see its itinerary · all times local

    1. Galveston
      ParkingHotels
      Mon 26 Oct 15:00
      Port crowd
      ParkingHotelsGetting there
    2. At sea
      Tue 27 Oct
    3. Cozumel
      Wed 28 Oct07:0017:00
      Port crowd
    4. At sea
      Thu 29 Oct
    5. Galveston
      ParkingHotels
      Fri 30 Oct 07:00
      Port crowd
      ParkingHotelsGetting there
    Numbers match the port order

Showing 6 of 45 cruises

Where Mariner of the Seas sails

Homeport and departures by month · Oct 2026 – Sep 2027

Most of its sailings are in the Bahamas, Caribbean, Bermuda, with more in the Mediterranean, Black Sea. Mariner of the Seas sails from Galveston (Oct 2026), New Orleans (Nov 2026 – Apr 2027) and Barcelona (from May 2027).

GalvestonNew OrleansBarcelonaLisbonRavennaCivitavecchiaNumber = cruises starting that month

Ports Mariner of the Seas visits

38 ports of call in the next 12 months · homeports not counted

HomeportPort of callSize = ship calls

How Mariner of the Seas sails

Sailings starting in the next 12 months · Oct 2026 – Sep 2027 · from published itineraries

Port intensity

Port days and sea days per cruise, between embarkation and return

Time in port
9 h
median · 6 – 34 h
Port days
58%
of days between embarkation and return
Overnight calls
1
staying past midnight
Late departures
4
after 20:00 · latest 23:00

Cruise patterns

  • 3 ports · 3 sea days7 nights22 cruises
  • 5 ports · 1 sea day7 nights3 cruises
  • 3 ports · 3 sea days7 nights2 cruises
  • 4 ports · 2 sea days7 nights2 cruises
  • 5 ports · 3 sea days9 nights2 cruises

Port daySea dayEmbarkation and return days not shown

Sea days are the days between embarkation and return with no port call. Hours in port run from arrival to departure; calls with unpublished times are left out. Late departure = leaving a port of call after 20:00, local time.

Mariner of the Seas specifications

From the cruise line and ship registries · metric units

Ship

Cruise line
Royal Caribbean
Class
Voyager class
Year built
2003
Status
In service
IMO
9227510
MMSI
311493000

Size

Gross tonnage
139,863 GT
Length
311.12 m
Beam
38.71 m
Decks
15
Cruising speed
22 knots

Capacity

Guests, double occupancy
3,344
Guests, full occupancy
4,001
Cabins
1,675
Crew
1,200
Guests per crew member
2.8
Space per guest
41.8 GT

How it compares

78th largest of 350 ships in service

Gross tonnage

  • Mariner of the Seas139,863
  • Royal Caribbean average163,152
  • All ships in service91,156

Guests, double occupancy

  • Mariner of the Seas3,344
  • Royal Caribbean average3,907
  • All ships in service2,189

Voyager class sister ships

Same design and size as Mariner of the Seas

See the Royal Caribbean fleet

Also from Royal Caribbean: Hero of the Seas, Icon of the Seas, Legend Of The Seas, Star of the Seas, Utopia of the Seas, Wonder of the Seas

About Mariner of the Seas

Mariner of the Seas is a Voyager-class Royal Caribbean ship of about 139,900 gross tons, with 15 decks and room for 3,344 guests at double occupancy. It has a FlowRider surf simulator, The Perfect Storm waterslides, laser tag, a Royal Escape Room and the Sky Pad. It sails short Western Caribbean cruises from Galveston and, from November 2026, New Orleans.