Diamond Princess
Sails from Yokohama, Japan · Fly into HND
Page updated
Diamond Princess off Toba, Mie Prefecture, Japan, December 2019 · Photo: Alpsdake, CC BY-SA 4.0, via Wikimedia Commons
About Diamond Princess
Diamond Princess is a Princess Cruises cruise ship of the Gem class, in service since 2004. She measures 115,875 gross tons and carries 2,670 guests with a crew of 1,100. She sails Asia itineraries. We rate her 4.0 out of 5.
Diamond Princess is a Gem-class ship, a wider variant of the Grand class built by Mitsubishi Heavy Industries in Nagasaki, Japan, and in service since March 2004. She and her sister Sapphire Princess swapped names during construction after a fire on the hull first meant to be Diamond Princess. At about 115,900 gross tons she carries around 2,670 guests, and in 2017 she was fitted with a hull air-lubrication system to cut fuel use. She is known for a COVID-19 outbreak and quarantine at Yokohama in February 2020. Princess deploys her mainly in Japan from Yokohama, with Southeast Asia and Japan voyages planned for the 2026-27 winter.
Ship facts
- Guests
- 2,670
- Crew 1,100 · 1:2.4
- Entered service
- 2004
- Length
- 290 m
- Longer than 73% of 575 ships
- Decks
- 16
Diamond Princess is bigger than 77% of the 418 cruise ships in service on Cruise Frog with a tonnage on record, and carries more guests than 80%. At 43.4 gross tons per guest she is roomier than 71% of 416; the median ship is 39.4.
Ratings
- Cabins
- 4/5, fleet average 4.2
- Dining
- 4/5, fleet average 4.0
- Entertainment
- 4/5, fleet average 4.0
- Service
- 4/5, fleet average 4.0
- Pools & decks
- 4/5, fleet average 4.0
- Value
- 4/5, fleet average 4.0
Editorial scores, 1 to 5 per metric; the overall is their average, not an average of reader reviews. Ticks mark the Princess Cruises fleet average across 17 rated ships in service.
Sister ships: Gem class
Diamond Princess is one of 2 Gem class ships. Sapphire Princess (2004) is in service.
| Ship | Year | Gross tons | Guests | Space | Rating |
|---|---|---|---|---|---|
| Diamond Princess this ship | 2004 | 4.0/5 | |||
| Sapphire Princess | 2004 | 4.0/5 |
Deck plans & cabin locations
Sailing between now and January 02, 2027 · Published edition · Through 2027-01-02. Confirm the edition for your departure with the cruise line.
Explore the deck plans
What’s above your ceiling matters as much as the view. Compare the decks around your cabin, then use the location notes to build your shortlist.
Use the displayed sailing-date edition and confirm room category, outlook, railing type, accessibility, connecting doors and refit details with Princess. Locations flag inferred spatial relationships, not verified noise reports or guarantees of quiet.
Compare the decks
Sailing between now and January 02, 2027 · bow to the right
On this deck: Club Fusion · Crooners Bar · Explorers Lounge · Kai Sushi · OceanFront · Photo Gallery · Princess Theater · Sabatini's Italian Trattoria · The Shops of Princess · Wheelhouse Bar
Cabins to avoid & quieter candidates
Deck 11 between accommodation on Decks 10 and 12
Start with central Deck 11 accommodation
Compare a room with accommodation immediately above and below, away from lift lobbies, stairs, connecting doors and service access. Check laundromat entrances and public or technical footprints separately.
Why we flag this
The selected ship-specific sailing edition shows accommodation across these decks. This is a conditional layout shortlist, not measured noise data or a guarantee of quiet. Check the source plan.
Deck 14 under occupied Deck 15 areas
Check Deck 14 beneath pools and dining
Match the exact room to pool, whirlpool, buffet/dining, outdoor seating and public circulation footprints above. Ask about opening hours and early furniture setup where the areas overlap.
Why we flag this
The selected operator diagram places major pool and dining areas on the upper deck above portions of this accommodation deck. Some sections contain cabins or different facilities, so the flag does not apply to every room equally. Check the source plan.
Deck 8 over occupied Deck 7 areas
Check Deck 8 above public venues
Compare the room with entertainment, dining, bars, theatre and circulation footprints below. Confirm any partial or obstructed view and balcony railing type separately for the actual cabin.
Why we flag this
The selected ship maps show major public spaces beneath portions of this accommodation area. The flag describes adjacency rather than a confirmed disturbance complaint or a view warning for every cabin. Check the source plan.
Location-based guidance, not measured noise or a guarantee of quiet. Flags identify areas to investigate, not every cabin on a deck. Check the exact room, connecting doors, accessibility and the plan for your sailing date. Ship-specific official Princess interactive artwork, including cabin-number and category-colour overlays for the selected sailing edition. PDF compiled by Cruise Frog, not separately issued by Princess.. Reviewed 2026-10-22.
Photos

Diamond Princess off Toba, Mie Prefecture, Japan, December 2019Photo: Alpsdake, CC BY-SA 4.0, via Wikimedia Commons
Where she sails
Home port: Yokohama, Japan.
Flying in for your cruise?
Diamond Princess sails from Yokohama, Japan. The airport is Tokyo Haneda (HND), with 16 lounges to wait in before you board.
- ANA Lounge (T3, 110)HND Terminal 34.8 ★
- JAL First Class Lounge (T3)HND Terminal 34.8 ★
- ANA Suite Lounge (T2, international)HND Terminal 24.7 ★
Quick answers
Which cruise line operates Diamond Princess?
Diamond Princess is operated by Princess Cruises and belongs to its Gem class.
What are Diamond Princess' sister ships?
Diamond Princess is one of 2 Gem class ships. Sapphire Princess (2004) is in service.
How big is Diamond Princess?
Diamond Princess measures 115,875 gross tons and 290 metres in length, with 16 decks.
How does Diamond Princess compare in size with other cruise ships?
Diamond Princess is bigger than 77% of the 418 cruise ships in service on Cruise Frog with a tonnage on record, and carries more guests than 80%. At 43.4 gross tons per guest she is roomier than 71% of 416; the median ship is 39.4.
How crowded does Diamond Princess feel?
Diamond Princess has a passenger space ratio of 43.4: 115,875 gross tons for 2,670 guests. Ratios over 50 feel spacious and under 30 busy, so Diamond Princess feels comfortable for her size.
How many passengers does Diamond Princess carry?
Diamond Princess carries 2,670 guests at double occupancy, with a crew of 1,100 (about 2.4 guests per crew member).
When did Diamond Princess enter service?
Diamond Princess entered service in 2004.
Where does Diamond Princess sail?
Diamond Princess sails Asia itineraries. Her home port is Yokohama, Japan.
Which airport should I fly into for Diamond Princess?
Diamond Princess sails from Yokohama, Japan. Fly into Tokyo Haneda (HND), which has 16 airport lounges listed on Lounge Frog.
Where can I find the deck plans for Diamond Princess?
Princess Cruises publishes the deck plans for Diamond Princess; this page links to Official interactive deck plans.
How is Diamond Princess rated?
Cruise Frog rates Diamond Princess 4.0 out of 5 overall, the average of 6 editorial scores.
Which cabins are good choices on Diamond Princess?
For the “Sailing between now and January 02, 2027” plan, start with these quieter-location candidates: Deck 11 between accommodation on Decks 10 and 12: Compare a room with accommodation immediately above and below, away from lift lobbies, stairs, connecting doors and service access. Check laundromat entrances and public or technical footprints separately. Compare the exact cabin with the decks above and below, nearby lifts and connecting doors. These are layout-based suggestions, not a guarantee of quiet.
Which cabins should I avoid or check carefully on Diamond Princess?
For the “Sailing between now and January 02, 2027” plan, review these flagged locations before booking: Deck 14 under occupied Deck 15 areas: Match the exact room to pool, whirlpool, buffet/dining, outdoor seating and public circulation footprints above. Ask about opening hours and early furniture setup where the areas overlap. Deck 8 over occupied Deck 7 areas: Compare the room with entertainment, dining, bars, theatre and circulation footprints below. Confirm any partial or obstructed view and balcony railing type separately for the actual cabin. These flags are not measured noise reports or a warning about every room on a deck. Read the sourced cabin advice for the evidence and any explicit operator warnings.
How can I check whether a cabin is under a pool, nightclub or theatre?
Find the cabin on the selected plan, then compare the same fore-and-aft position on the deck above and below. Check the full venue footprint, including outdoor seating, stages, service areas and entrances. Nearby activity can be a reason to investigate, but does not by itself prove a cabin is noisy. Use the cabin advice and its sources to distinguish layout cautions from operator warnings.
Where can I find Diamond Princess deck plans?
Use this guide’s deck selector to compare the decks around your cabin and open available diagrams in the zoom viewer. The full ship PDF and source links are listed for each plan edition.
Which deck-plan edition applies to my sailing?
Select your sailing date before comparing cabin locations. Editions can change after a refit. These answers use “Sailing between now and January 02, 2027”, reviewed 2026-10-22. Use the displayed sailing-date edition and confirm room category, outlook, railing type, accessibility, connecting doors and refit details with Princess. Locations flag inferred spatial relationships, not verified noise reports or guarantees of quiet.
Traveller reviews
What people who've been say. One review each; you can update yours.
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