Seven Seas Mariner

Seven Seas Mariner is operated by Regent Seven Seas Cruises.

Seven Seas Mariner measures 48,075 gross tons and 216 metres in length, with 8 decks.

Seven Seas Mariner is smaller than 54% of the 418 cruise ships in service on Cruises Frog with a tonnage on record, and carries more guests than 60%. At 68.7 gross tons per guest she is roomier than 93% of 416; the median ship is 39.4.

Seven Seas Mariner has a passenger space ratio of 68.7: 48,075 gross tons for 700 guests. Ratios over 50 feel spacious and under 30 busy, so Seven Seas Mariner feels spacious for her size.

Seven Seas Mariner carries 700 guests at double occupancy, with a crew of 459 (about 1.5 guests per crew member).

Seven Seas Mariner entered service in 2001 and was last refurbished in 2025.

Seven Seas Mariner sails World cruises, Mediterranean, Australia and New Zealand and Northern Europe itineraries.

Cruises Frog rates Seven Seas Mariner 4.7 out of 5 overall, the average of 6 editorial scores. She scores best on cabins (5/5) and lowest on value (4/5).

For the “Official published layout” plan, start with these quieter-location candidates: Midship suite sections on Decks 9, away from lifts, laundrettes and service rooms: Start with suites that have accommodation directly above and below. Compare the precise position on all three maps, because a suite deck can also contain public rooms. This is a screening suggestion, not a guarantee of silence. Compare the exact cabin with the decks above and below, nearby lifts and connecting doors. These are layout-based suggestions, not a guarantee of quiet.

For the “Official published layout” plan, review these flagged locations before booking: Deck 10 suites below the public areas of Deck 11: Moving furniture, pool use and food-service setup may create activity overhead. Compare the exact suite with the public footprint above before booking if sleep is a priority. Deck 7 suites above the public-room footprint on Deck 6: For early nights, check the exact position against the venues below. Music, conversations and setup are possible considerations; the plan does not establish that a particular room is noisy. These flags are not measured noise reports or a warning about every room on a deck. Read the sourced cabin advice for the evidence and any explicit operator warnings.

Find the cabin on the selected plan, then compare the same fore-and-aft position on the deck above and below. Check the full venue footprint, including outdoor seating, stages, service areas and entrances. Nearby activity can be a reason to investigate, but does not by itself prove a cabin is noisy. Use the cabin advice and its sources to distinguish layout cautions from operator warnings.

Use this guide’s deck selector to compare the decks around your cabin and open available diagrams in the zoom viewer. The full ship PDF and source links are listed for each plan edition.

Select your sailing date before comparing cabin locations. Editions can change after a refit. These answers use “Official published layout”, reviewed 2026-10-21. The publisher does not specify a single sailing-date validity window for this layout. Confirm the edition with Regent. Cabin advice describes layout-based considerations, not measured noise levels.