Cruiseable Plan my cruise

Ship comparison

Mariner of the Seas vs Norwegian Prima

The verdict

Which should you choose?

Mariner of the Seas is a large Royal Caribbean ship carrying 3,114 passengers, in service since 2003. Norwegian Prima is a large Norwegian Cruise Line ship carrying 3,215 passengers, in service since 2022.

Choose Mariner of the Seas if you want a better-rated spa and gym or better-rated staterooms: it outscores Norwegian Prima for spa & fitness (9.0 vs 7.0) and staterooms (9.0 vs 7.0) in Cruiseable’s Bliss scores.

Choose Norwegian Prima if you want a newer ship, more of a party or better-rated dining: it outscores Mariner of the Seas for party (7.0 vs 5.0) and dining (7.0 vs 5.6) in Cruiseable’s Bliss scores and its maiden voyage was in 2022 (vs 2003).

Side by side

Specifications

marks the better figure where more, or less, is plainly better.

Mariner of the SeasNorwegian Prima
Cruise line Royal Caribbean Norwegian Cruise Line
Ship size Large Large
Maiden voyagenewer highlighted 2003 2022 (better)
Last refurbishedmore recent highlighted 2018 —
Gross tonnage 138,279 142,500
Passengers 3,114 3,215
Crew 1,185 1,388
Passengers per crew memberfewer is better 2.6 2.3 (better)
Space per passengergross tons per passenger; more is roomier 44.4 (better) 44.3
Cabins — 1,646
Decks 15 20
Length 1,020 ft 965 ft
Beam 157 ft 133 ft
Speed 28 mph —
Cruiseable ratingout of 10 10 / 10 (better) 9 / 10
Cruises on sale 56 51
Upcoming sailings 93 92
Cruise lengths 6 to 17 nights 3 to 17 nights
Fares fromlower highlighted $463 $349 (better)

Bliss scores

How they rate, out of 10

Cruiseable rates ships out of 10 on ten parts of a cruise holiday. Mariner of the Seas leads on 4 of the ten, Norwegian Prima on 3, with 3 level.

  • Active Mariner of the Seas: 7.0 Norwegian Prima: 7.0
  • Adventure & nature Mariner of the Seas: 4.0 Norwegian Prima: 5.0
  • Cultural Mariner of the Seas: 7.5 Norwegian Prima: 7.0
  • Dining Mariner of the Seas: 5.6 Norwegian Prima: 7.0
  • Entertainment Mariner of the Seas: 7.5 Norwegian Prima: 7.0
  • Family friendly Mariner of the Seas: 8.0 Norwegian Prima: 8.0
  • Party Mariner of the Seas: 5.0 Norwegian Prima: 7.0
  • Romantic Mariner of the Seas: 7.0 Norwegian Prima: 7.0
  • Spa & fitness Mariner of the Seas: 9.0 Norwegian Prima: 7.0
  • Staterooms Mariner of the Seas: 9.0 Norwegian Prima: 7.0

Royal Caribbean

Mariner of the Seas

The newly amplified Mariner of the Seas from Royal Caribbean underwent a $120 million refurbishment in 2018 — and the enhancements remain eye-catching. Many of the renovations involve new features to attract families and younger cruisers.

Highlights

  • Broadway-style entertainment in the Main Theater
  • The Bamboo Room delivers top-notch Polynesian-inspired cocktails
  • The Playmakers Sports Bar and Arcade serves up a wide selection of beers and pub favorites like chicken wings and nachos
  • Spa treatments in the Vitality Spa

Sailing now

56 cruises on sale, from $463.

Questions

Mariner of the Seas or Norwegian Prima?

Which is bigger, Mariner of the Seas or Norwegian Prima?

Norwegian Prima is bigger at 142,500 gross tons, against 138,279 gross tons for Mariner of the Seas. Mariner of the Seas carries 3,114 passengers and Norwegian Prima carries 3,215.

Which ship is newer, Mariner of the Seas or Norwegian Prima?

Norwegian Prima is newer, with a maiden voyage in 2022 against 2003 for Mariner of the Seas.

Which has more space per passenger?

Mariner of the Seas, with 44.4 gross tons per passenger against 44.3 on Norwegian Prima. The higher the figure, the more ship there is for each guest.

Which has more crew per passenger?

Norwegian Prima, with one crew member for every 2.3 passengers against one for every 2.6 on Mariner of the Seas.

Which is better for families?

They score the same for family friendliness in Cruiseable’s Bliss scores: 8.0 out of 10.

Still deciding?

Tell us what matters and we will match the sailing

Send your dates, budget and who is travelling, and our partner travel agency will come back to you about Mariner of the Seas, Norwegian Prima or a ship that suits you better.

Plan my cruise

Compare different ships