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Seven Seas Mariner at sea

Mariner class · Regent · In service since 2001

Seven Seas Mariner

Seven Seas Mariner is a Mariner class cruise ship operated by Regent, in service since 2001. At about 48,075 gross tons, it carries roughly 700 guests and ranks #3 by size in the 5-ship Regent fleet we cover.

  • 48,075 gross tons
  • 700 guests
  • 709 ft long

Photo: 663highland, CC BY 2.5, via Wikimedia Commons

Ship facts

Ship class
Mariner class
Entered service
2001 (25 years ago)
Gross tonnage
48,075
Guests
700
Length
709 ft (216 m)
Speed
20 knots
Builder
Chantiers de l'Atlantique
Flag
The Bahamas
IMO number
9210139

About Seven Seas Mariner

Seven Seas Mariner made history in 2001 as the first all-suite, all-balcony ship, and she remains a well-loved member of Regent’s fleet. Refurbishments have updated her suites and public spaces, bringing her decor in line with the newer ships while keeping her intimate, welcoming feel. She offers Regent’s full inclusive experience, including specialty dining, drinks, gratuities and unlimited shore excursions. Mariner is often deployed on longer and more unusual itineraries, including Alaska, South America and Asia, and her loyal following values the crew’s warmth and attention to detail.

Best for: Travelers who want an intimate, all-inclusive luxury ship on longer voyages to places like Alaska or South America.

Seven Seas Mariner highlights

  • The first all-suite, all-balcony ship at sea
  • Prime 7, a steakhouse with a clubby feel
  • Chartreuse, an elegant French restaurant
  • La Veranda, a casual restaurant that becomes Sette Mari Italian at night
  • Free unlimited shore excursions in every port

How Seven Seas Mariner compares in size

  1. Seven Seas Grandeur56,199
  2. Seven Seas Explorer55,254
  3. Seven Seas Mariner48,075
  4. Seven Seas Voyager42,363
  5. Seven Seas Navigator28,550

Gross tonnage measures a ship's enclosed volume, not its weight. Source: Wikidata.

Sailing with Regent

Regent Seven Seas Cruises is one of the most all-inclusive luxury lines at sea: fares cover unlimited shore excursions, specialty dining, premium drinks, gratuities, Wi-Fi and, for US and Canadian guests, roundtrip flights on most voyages. Its six all-suite ships carry 500 to 750 guests on worldwide itineraries. It suits affluent travelers who want luxury without extra bills, less so those seeking a casual vibe or a bargain.

Read our full Regent guide: dining, drinks, tipping and who it suits →

Seven Seas Mariner FAQs

How big is Seven Seas Mariner?

Seven Seas Mariner measures about 48,075 gross tons and is about 709 feet (216 m) long. That makes it #3 of 5 Regent ships we cover by tonnage, and #210 among all 255 ocean cruise ships in our guide.

How many passengers does Seven Seas Mariner carry?

About 700 guests, according to Wikidata's record for the ship. Cruise lines usually quote capacity at two guests per cabin; with third and fourth berths filled, the maximum is higher.

When was Seven Seas Mariner built?

Seven Seas Mariner entered service in 2001 and was built by Chantiers de l'Atlantique. Older ships are often refurbished, so ask about recent upgrades when you compare sailings.

What class of ship is Seven Seas Mariner?

Seven Seas Mariner belongs to Regent's Mariner class. Ships in the same class share a layout and most signature features.

Is Seven Seas Mariner good for families?

Children can sail, and Regent offers a youth program on select summer and holiday sailings, but families are uncommon. The atmosphere and itineraries suit older children and teens best. Facilities vary by ship, so check what Seven Seas Mariner offers for your kids' ages.

Updated November 2026 by the BookMyDreamCruise editorial team. How we research and fact-check.

Sources: Wikidata, Wikipedia, Regent official site.