Mariner of the Seas Itinerary & Schedule 2026-2028

Where is Mariner of the Seas now? Mariner of the Seas is at sea or at a port outside these schedules today. Its last published call was Galveston on October 26, 2026, and it is next due at Cozumel on November 16, 2026.

After that: Grand Cayman (Nov 17), Grand Cayman (Nov 24), Grand Cayman (Dec 1) and Grand Cayman (Dec 8).

Mariner of the Seas is a Royal Caribbean ship. This page lists its 91 port calls at 4 ports from January 5, 2026 to April 18, 2028, taken from each port's published schedule. It isn't a live AIS tracker, so it shows where Mariner of the Seas is due rather than where it is at sea right now. Times are local port time.

Mariner of the Seas itinerary by month

• November 2026: 3 calls at Cozumel and Grand Cayman
• December 2026: 5 calls at Grand Cayman
• January 2027: 4 calls at Grand Cayman
• February 2027: 4 calls at Grand Cayman
• March 2027: 4 calls at Grand Cayman
• April 2027: 3 calls at Grand Cayman
• May 2027: 1 call at St. Maarten
• June 2027: 1 call at St. Maarten
• July 2027: 1 call at St. Maarten
• August 2027: 1 call at St. Maarten
• November 2027: 1 call at Grand Cayman
• December 2027: 1 call at Grand Cayman
• January 2028: 1 call at Grand Cayman
• February 2028: 1 call at Grand Cayman
• March 2028: 2 calls at Grand Cayman
• April 2028: 2 calls at Grand Cayman

Ports Mariner of the Seas visits

• Galveston: 56 calls, Terminal 10, Terminal 28
• Grand Cayman: 30 calls, Dock Anchorage 1, Royal Anchorage 1, Royal Anchorage 2
• St. Maarten: 4 calls
• Cozumel: 1 call, SSA Mexico

Mariner of the Seas port days at a glance

Of its 91 calls in these schedules, 56 are turnarounds (passengers embark and disembark) and 35 are day visits on a longer voyage.

Typical time in port, from calls with published arrival and departure times: Grand Cayman about 9 hours (30 timed calls), St. Maarten about 7 hours (4 timed calls) and Cozumel about 10 hours (1 timed call).

Mariner of the Seas shares the port with at least one other listed ship on 66 of its 91 port days. The busiest: November 16, 2026 at Cozumel, with Radiance of the Seas, Carnival Dream, Carnival Valor and Disney Treasure and 1 more; December 15, 2026 at Grand Cayman, with Celebrity Apex, MSC Poesia, Resilient Lady and Carnival Horizon and 1 more; January 5, 2028 at Grand Cayman, with Crystal Serenity, Carnival Paradise, Seven Seas Prestige and Valiant Lady and 1 more.

Mariner of the Seas schedule by date

Sources: Port of Galveston official cruise schedule (portofgalveston.com), retrieved 2026-09-17 (sailing dates and terminals only, no times published), APIQROO (Administración Portuaria Integral de Quintana Roo) cruise arrival programme for Cozumel, servicios.apiqroo.com.mx/programacion, retrieved 2026-11-14, Port Authority of the Cayman Islands ship schedule (caymanport.com), retrieved 2026-11-14, Port St. Maarten cruise ship schedule (gls.portstmaarten.sx, linked from portstmaarten.com), retrieved 2026-11-09