Sphere-class cruise ship

Sphere class
Lead Ship, Sun Princess in Piraeus on 6 July 2024
Class overview
BuildersFincantieri, Monfalcone, Italy
OperatorsPrincess Cruises
Preceded byRoyal class
Built2021–2025
In service2024–present
Planned2
Building1
Completed1
General characteristics
TypeCruise ship
Tonnage175,000 GT
Length345.3 m (1,132 ft 10 in)
Beam47 m (154 ft 2 in)
Decks21
Installed powerDual-fueled LNG power
Capacity4,300 passengers
Crew1,500

The Sphere-class cruise ship is a class of cruise ships that entered service with Princess Cruises in February 2024. They are the largest ships built for Princess Cruises and the company's first ships powered by liquefied natural gas (LNG). The first ship is named Sun Princess.