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Ship comparison

Star Princess vs Sun Princess

The verdict

Which should you choose?

Star Princess is a mega Princess Cruises ship carrying 4,320 passengers, in service since 2025. Sun Princess is a mega Princess Cruises ship carrying 4,320 passengers, in service since 2024. Their Bliss scores are identical, so the differences below are in the ships themselves.

Choose Sun Princess if you want more cruises to choose from: it has 155 cruises on sale (vs 59).

Star Princess does not lead by a clear margin on any measure we track, so pick it for its itinerary or its dates.

Side by side

Specifications

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

Star PrincessSun Princess
Cruise line Princess Cruises Princess Cruises
Ship size Mega Mega
Maiden voyagenewer highlighted 2025 (better) 2024
Gross tonnage 175,500 175,500
Passengers 4,320 4,320
Crew 1,550 1,550
Passengers per crew memberfewer is better 2.8 2.8
Space per passengergross tons per passenger; more is roomier 40.6 40.6
Decks 21 21
Length 1,132 ft 1,132 ft
Beam 150 ft 154 ft
Speed 25 mph 25 mph
Cruiseable ratingout of 10 8 / 10 8 / 10
Cruises on sale 59 155
Upcoming sailings 162 288
Cruise lengths 4 to 23 nights 6 to 32 nights
Fares fromlower highlighted $369 (better) $399

Bliss scores

How they rate, out of 10

Cruiseable rates ships out of 10 on ten parts of a cruise holiday. Star Princess leads on 0 of the ten, Sun Princess on 0, with 10 level.

  • Active Star Princess: 7.0 Sun Princess: 7.0
  • Adventure & nature Star Princess: 5.0 Sun Princess: 5.0
  • Cultural Star Princess: 7.0 Sun Princess: 7.0
  • Dining Star Princess: 8.0 Sun Princess: 8.0
  • Entertainment Star Princess: 8.0 Sun Princess: 8.0
  • Family friendly Star Princess: 7.0 Sun Princess: 7.0
  • Party Star Princess: 5.0 Sun Princess: 5.0
  • Romantic Star Princess: 8.0 Sun Princess: 8.0
  • Spa & fitness Star Princess: 7.0 Sun Princess: 7.0
  • Staterooms Star Princess: 8.0 Sun Princess: 8.0

Princess Cruises

Star Princess

Star Princess, the second Sphere Class ship from Princess Cruises, is built for travelers who want a modern mega-ship experience without losing the classic Princess mood.

Sailing now

59 cruises on sale, from $369.

Princess Cruises

Sun Princess

Sun Princess, the first Sphere class ship from Princess Cruises, debuted in early 2024 with a season of sailings in the Caribbean in the winter and in the Mediterranean in the summer.

Highlights

  • Rejuvenating Lotus Spa for ultimate relaxation
  • Private balconies on nearly all outside cabins for stunning views

Sailing now

155 cruises on sale, from $399.

Questions

Star Princess or Sun Princess?

Which is bigger, Star Princess or Sun Princess?

They are the same size, 175,500 gross tons each. Star Princess carries 4,320 passengers and Sun Princess carries 4,320.

Which ship is newer, Star Princess or Sun Princess?

Star Princess is newer, with a maiden voyage in 2025 against 2024 for Sun Princess.

Which has more space per passenger?

They are level at 40.6 gross tons per passenger.

Which has more crew per passenger?

They are level, with one crew member for every 2.8 passengers.

Which is better for families?

They score the same for family friendliness in Cruiseable’s Bliss scores: 7.0 out of 10.

Still deciding?

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