Seven Seas Mariner is a luxury cruise ship operated by Regent Seven Seas Cruises. Introduced in 2001, she was notable as the world's first all-suite, all-balcony cruise ship.
Regent fleet material lists 684 guests, 467 crew, 342 suites, 8 guest decks and 48,075 GT. Published dimensions are 216.1 metres long, 28.3 metres beam and 6.4 metres draft, with a published cruising speed of 20 knots.
Seven Seas Mariner completed an extensive multi-million-dollar refurbishment in November 2025, refreshing all suites and numerous public areas and adding new dining and enrichment features.
Identification
Seven Seas Mariner carries IMO number 9210139, MMSI 311622000 and call sign C6VV8. The ITU currently records her under the Bahamas administration.