Royal class · Princess · In service since 2022
Discovery Princess
Discovery Princess is a Royal class cruise ship operated by Princess, in service since 2022. At about 145,000 gross tons, it carries roughly 3,660 guests and ranks #4 by size in the 17-ship Princess fleet we cover.
- 145,000 gross tons
- 3,660 guests
Photo: Russell Keller, CC BY-SA 4.0, via Wikimedia Commons
Ship facts
- Cruise line
- Princess Cruises
- Ship class
- Royal class
- Entered service
- 2022 (4 years ago)
- Gross tonnage
- 145,000
- Guests
- 3,660
- Builder
- Fincantieri
- Flag
- Bermuda
- IMO number
- 9837468
About Discovery Princess
Discovery Princess, delivered in 2022, is the sixth and final Royal-class ship and shares its sisters’ signature SeaWalk, a glass-floored walkway that juts out over the ocean. Like Sky Princess and Enchanted Princess, it has Sky Suites, top-deck suites with some of the largest balconies at sea that look over the Movies Under the Stars screen. Discovery Princess has sailed from the West Coast, including Alaska and Mexico itineraries. It offers Princess’s relaxed style, good balcony value and a strong lineup of casual and specialty dining.
Best for: West Coast cruisers and Alaska travelers who want a modern Princess ship with lots of balcony options.
Discovery Princess highlights
- SeaWalk, a glass-floored walkway over the ocean
- Sky Suites with huge balconies on the top deck
- Movies Under the Stars poolside screen
- The Sanctuary adults-only retreat
- Alfredo’s Pizzeria and Crown Grill
How Discovery Princess compares in size
- Star Princess177,800
- Sun Princess175,500
- Enchanted Princess145,281
- Discovery Princess145,000
- Sky Princess145,000
- Majestic Princess144,216
- Regal Princess142,714
- Royal Princess142,714
- Diamond Princess115,906
- Sapphire Princess115,875
- Ruby Princess113,561
- Emerald Princess113,561
- Crown Princess113,561
- Caribbean Princess112,894
- Grand Princess108,806
- Island Princess92,822
- Coral Princess91,627
Gross tonnage measures a ship's enclosed volume, not its weight. Source: Wikidata.
Royal class sister ships
Sailing with Princess
Princess Cruises is a mid-priced, relaxed line known for Alaska, smooth MedallionClass technology and a calm, grown-up atmosphere with traditional touches. It sails almost everywhere, from Glacier Bay to Japan and the Mediterranean. It suits couples, retirees and multigenerational families who want comfort without big-ship thrills, less so travelers hunting for water parks or nightlife.
Read our full Princess guide: dining, drinks, tipping and who it suits →
Discovery Princess FAQs
How big is Discovery Princess?
Discovery Princess measures about 145,000 gross tons. That makes it #4 of 17 Princess ships we cover by tonnage, and #52 among all 255 ocean cruise ships in our guide.
How many passengers does Discovery Princess carry?
About 3,660 guests, according to Wikidata's record for the ship. Cruise lines usually quote capacity at two guests per cabin; with third and fourth berths filled, the maximum is higher.
When was Discovery Princess built?
Discovery Princess entered service in 2022 and was built by Fincantieri.
What class of ship is Discovery Princess?
Discovery Princess belongs to Princess's Royal class, alongside Enchanted Princess, Sky Princess, Majestic Princess, Regal Princess, Royal Princess. Ships in the same class share a layout and most signature features.
Is Discovery Princess good for families?
Princess runs kids and teen clubs for ages 3 to 17, split by age, with science, art, games and Alaska-focused Junior Ranger activities on sailings there. The Sphere class’s Park19 adds a family play zone. Facilities vary by ship, so check what Discovery Princess offers for your kids' ages.
Updated November 2026 by the BookMyDreamCruise editorial team. How we research and fact-check.
Sources: Wikidata, Wikipedia, Princess official site.