| Year of build: | 2003 |
| Last Refurbishment: | 2023 |
| Class: | RCI VOYAGER |
| Builder: | Kvaerner Masa-Yards (Turku, STX Finland) |
| Building cost: | USD 650 million (2018 Royal Amplified USD 100 million) |
| Engines (power): | Wartsila (75.6 MW / 101381 hp) |
| Engines (propulsion): | 47 MW / 63028 hp |
| Speed: | 24 kt |
| Length (LOA): | 311 m |
| Beam (width): | 49 m |
| Gross Tonnage: | 138279 GT |
| Passaengers (min - max): | 3334 - 4001 (min - max) | |
| Crew: | 1215 | |
| Passengers-to-space ratio: | 35 | |
| Decks: | 15 | |
| Cabins: | 1667 | |
| Decks with cabins: | 9 | |
| Sister-ships: | Adventure OTS, Explorer OTS, Navigator OTS, Voyager OTS | |
| Cristened by: | Jean Driscoll | |
| Owner: | RCG-Royal Caribbean Group (via RCCL-Royal Caribbean Cruises Ltd) | |
| Operator: | RCI-Royal Caribbean International |
You can see from our list in which ports the cruise ship Mariner of the Seas is expected according to schedule.
| Date | Port | Arrival | Departure |
|---|---|---|---|
| Nov. 13th 2025 Thursday, 13th of Nov. 2025 | Cozumel | 07:00 am | 05:00 pm |
| Nov. 15th 2025 Saturday, 15th of Nov. 2025 | Galveston | 12:00 am | 03:00 pm |
| Nov. 17th 2025 Monday, 17th of Nov. 2025 | Port Costa Maya Mahahual | 11:59 am | 07:00 pm |
| Nov. 18th 2025 Tuesday, 18th of Nov. 2025 | Cozumel | 07:00 am | 05:00 pm |
| Nov. 20th 2025 Thursday, 20th of Nov. 2025 | Galveston | 07:00 am | 12:00 am |
| Nov. 22nd 2025 Saturday, 22nd of Nov. 2025 | Cozumel | 07:00 am | 05:00 pm |
| Nov. 24th 2025 Monday, 24th of Nov. 2025 | Galveston | 07:00 am | 12:00 am |
| Nov. 26th 2025 Wednesday, 26th of Nov. 2025 | Port Costa Maya Mahahual | 11:59 am | 07:00 pm |
| Nov. 27th 2025 Thursday, 27th of Nov. 2025 | Cozumel | 07:00 am | 05:00 pm |
| Nov. 29th 2025 Saturday, 29th of Nov. 2025 | Galveston | 07:00 am | 12:00 am |
| Dec. 1st 2025 Monday, 1st of Dec. 2025 | Port Costa Maya Mahahual | 11:59 am | 07:00 pm |
| Dec. 2nd 2025 Tuesday, 2nd of Dec. 2025 | Cozumel | 07:00 am | 05:00 pm |
| Dec. 4th 2025 Thursday, 4th of Dec. 2025 | Galveston | 07:00 am | 12:00 am |
| Dec. 6th 2025 Saturday, 6th of Dec. 2025 | Cozumel | 07:00 am | 05:00 pm |
| Dec. 8th 2025 Monday, 8th of Dec. 2025 | Galveston | 07:00 am | 12:00 am |
| Dec. 10th 2025 Wednesday, 10th of Dec. 2025 | Port Costa Maya Mahahual | 11:59 am | 07:00 pm |
| Dec. 11th 2025 Thursday, 11th of Dec. 2025 | Cozumel | 07:00 am | 05:00 pm |
| Dec. 13th 2025 Saturday, 13th of Dec. 2025 | Galveston | 07:00 am | 12:00 am |
| Dec. 15th 2025 Monday, 15th of Dec. 2025 | Port Costa Maya Mahahual | 11:59 am | 07:00 pm |
| Dec. 16th 2025 Tuesday, 16th of Dec. 2025 | Cozumel | 07:00 am | 05:00 pm |
| Dec. 18th 2025 Thursday, 18th of Dec. 2025 | Galveston | 07:00 am | 12:00 am |
| Dec. 20th 2025 Saturday, 20th of Dec. 2025 | Cozumel | 07:00 am | 05:00 pm |
| Dec. 22nd 2025 Monday, 22nd of Dec. 2025 | Galveston | 07:00 am | 12:00 am |
| Dec. 24th 2025 Wednesday, 24th of Dec. 2025 | Port Costa Maya Mahahual | 11:59 am | 07:00 pm |
| Dec. 25th 2025 Thursday, 25th of Dec. 2025 | Belize | 07:00 am | 05:00 pm |
| Dec. 26th 2025 Friday, 26th of Dec. 2025 | Roatan | 07:00 am | 03:00 pm |
| Dec. 27th 2025 Saturday, 27th of Dec. 2025 | Cozumel | 07:00 am | 05:00 pm |
| Dec. 29th 2025 Monday, 29th of Dec. 2025 | Galveston | 07:00 am | 12:00 am |
| Dec. 31st 2025 Wednesday, 31st of Dec. 2025 | Port Costa Maya Mahahual | 11:59 am | 07:00 pm |
| Jan. 1st 2026 Thursday, 1st of Jan. 2026 | Belize | 07:00 am | 05:00 pm |
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