IMO: 9228198
Diamond Princess
Technical specifications, historical timeline, and comprehensive venue inventory.
The Blueprint
- Ship Class
- Gem-class
- Gross Tonnage (GT)
- 115,906
- Length (FT / M)
- 952 / 290.2
- Beam (FT / M)
- 123 / 37.5
- Decks (Passenger / Total)
- 13 / 18
- Shipyard
- Mitsubishi Heavy Industries, Nagasaki, Japan
- Registry
- Bermuda
- Godparent(s)
- Yoshiko Tsukuda
- LNG Powered
- No
- Build Cost
- $500,000,000
Class Sisters:
Sapphire Princess
Timeline & Evolution
Inaugural Sail Year
2004
Registry & Build Record
- IMO Number
- 9228198
- MMSI
- 310866000
- Call Sign
- ZCHI3
- Classification Society
- Lloyd's Register
- Hull / Yard Number
- 2181
- Maiden Voyage
- 13 March 2004
- Maximum Draft
- 8.53 m (28.0 ft)
- Maximum Beam
- 50.0 m (164.0 ft)
Capacity & Space
- Double Occupancy
- 2,710
- Maximum Capacity
- 3,247
- Total Crew
- 1,100
- Passenger-to-Crew Ratio
- 2.46:1
- Space Ratio
- 42.77
Onboard Inventory
- Swimming Pools
- 4
- Hot Tubs / Whirlpools
- 7
- Bars & Lounges
- 13
- Complimentary Dining Venues
- 10
- Specialty Dining Venues
- 3
- Elevators
- 14*
* Unofficial count — the cruise line publishes no official total for this figure.
Power & Propulsion
- Propulsion
- Diesel-electric + gas turbine (COGES), twin fixed-pitch propellers
- Fuel Type
- HFO (heavy fuel oil) / MGO (marine gas oil)
- Installed Power
- 61 MW (81,802 hp)
- Propulsion Power
- 40 MW (53,641 hp)
- Maximum Speed
- 23 Knots
- Engine Configuration
- 4x Wartsila 46 diesel (2x 9L46 + 2x 8L46) + 1x GE LM2500 gas turbine
Logistics
- Cruising Speed
- 22 Knots
- Medical Center
- Deck 4 (Gala Deck)
Elevator Banks
Forward
guest decks
Midship
guest decks
Aft
guest decks
Designated Smoking Zones
-
Casino designated smoking areacasinoLocation: Grand CasinoSmoking permitted only in the designated casino section for active players.
-
Designated open-deck areaoutdoorLocation: Open pool deck (designated area)Smoking permitted only in the marked outdoor deck area.
-
Staterooms and balconiesprohibitedLocation: All staterooms and balconiesSmoking prohibited in staterooms and on balconies; cleaning fee applies.
Cabin Summary
Total: 1,353
ADA Compliant: 27
- Suites
- 216
- Balcony
- 522
- Oceanview
- 236
- Inside
- 379
The Apex Suite
Grand Suite
730 SQ FT
The ship's single Grand Suite, aft on the Aloha Deck, with a large private balcony, separate living and sleeping areas and a whirlpool bath.
Stateroom Taxonomy
Suites
- Grand Suite1
- Two-Bedroom Family Suite2
- Balcony Suite27
- Mini-Suite186
Balcony
- Balcony522
Oceanview
- Oceanview236
Inside
- Interior379
Features & Amenities
Family & Youth
- Kids Club
- Teen Club
- Sports Court
Adults & Wellness
- Adults Only Area
- Spa
- Thermal Suite
- Casino
Entertainment & Culture
- Production Theater
- Art Gallery
- Library
Staterooms & Service
- Self Serve Laundry
Signature Experiences
Izumi Japanese Bath
largest
The Piazza
unique
Skywalkers Nightclub
unique
Movies Under the Stars
top-deck attraction
Princess Links Putting Course
top-deck attraction
The Conservatory
top-deck attraction
Sports Deck
top-deck attraction
Ship-Specific Highlights
- MedallionClass (OceanMedallion / OceanNow)
- Izumi Japanese Bath (largest at sea)
- The Sanctuary adults-only retreat
- Movies Under the Stars poolside screen
Venues
Complimentary Dining
-
International Dining Roommain_dining_roomMain dining room.
-
Pacific Moon Dining Roommain_dining_roomMain dining room.
-
Santa Fe Dining Roommain_dining_roomMain dining room.
-
Vivaldi Dining Roommain_dining_roomMain dining room.
-
Horizon CourtbuffetCasual buffet.
-
International Cafecafe$ extrasPiazza cafe with coffee and light bites.
-
Trident Grillquick_servicePoolside grill / BBQ.
-
Prego PizzeriacafePoolside pizzeria.
-
Swirls Ice Cream BarcafeTop-deck ice cream bar.
-
La Patisseriecafe$ extrasSidewalk-cafe-style pastries and coffee.
Specialty Dining
-
Sabatini's Italian TrattoriaspecialtyItalian specialty.
-
Crown GrillspecialtySteak/seafood grill (Deck 5, former Savoy DR; added Jan 2026).
-
Makoto OceanspecialtyEdomae sushi by Makoto Okuwa (Deck 7, former Kai Sushi; added Jan 2026).
Bars & Nightlife
-
Good Spirits at SeabarCraft-cocktail bar.
-
Grand Casino BarbarBar serving the Grand Casino.
-
Wake View BarbarAft bar with wake views.
-
Wheelhouse BarloungeNautical-themed bar/lounge.
-
CroonersbarPiazza martini/piano bar.
-
Explorers LoungeloungeShow lounge / bar.
-
Club FusionloungeEntertainment lounge / nightclub.
-
Calypso BarbarBar serving the Calypso pool (Lido midship).
-
Mermaid's Tail BarbarPool / deck bar.
-
Outriggers BarbarAft poolside bar with wake views.
-
Tradewinds BarbarOutdoor Sun Deck bar.
-
Oasis BarbarSports Deck bar between the two Oasis hot tubs.
-
Skywalkers NightclubnightclubElevated glass-walled nightclub.
Pools & Aquatics
-
Neptune's Reef & PoolpoolMain Lido pool.
-
Calypso Reef & PoolpoolMidship pool.
-
Lotus Spa Lap PoolpoolLap / therapy pool by the Lotus Spa.
-
Terrace PoolpoolAft terrace pool.
Entertainment Venues
-
Princess TheatertheaterMain production theater.
-
The PiazzaatriumCentral European-square atrium with performers.
-
Movies Under the Starsoutdoor_cinemaPoolside LED movie screen.
Casino
-
Grand CasinocasinoVegas-style casino.
Spa & Fitness
-
Lotus SpaspaLotus Spa treatments.
-
Lotus Spa Fitness CenterfitnessFitness center and studio.
-
Izumi Japanese Baththermal_suiteJapanese onsen-style bath complex.
Youth & Teen
-
Kids Centerkids_clubYouth center (ages 3-7 and 8-12).
-
Teens Centerteen_clubTeen lounge (ages 13-17).
Retail & Shopping
-
The Shops of PrincessshopOnboard boutiques.
Leisure & Public Spaces
-
The SanctuaryattractionAdults-only top-deck retreat.
-
The ConservatoryattractionEnclosed top-deck recreation area.
Guest Services
-
Passenger Services DeskdeskGuest services desk.
-
Medical CentermedicalDeck 4 (Gala) medical center.
Data Provenance
Last Verified: 2026-07-03