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On this page you will find Costa Diadema features, history, sister ships, and useful facts provided by Look at the bottom of the page for the LIVE TRACKING position of Costa Diadema

Costa Cruise Line

Information about Costa Diadema
Year Built
Space Ratio

General Information

The Costa Diadema started sailing in 2014. Former names: none. The Costa Diadema is registered in Genoa,Italy. The Costa Diadema has 1886 cabins.

You can expect between 3772 to 4526 passengers on a typical sailing. This means that at the higher number (usually peak and holiday sailings) Costa Diadema has a space ratio of 29.3. (A space ratio less than 33 means that you may find the ship crowded in areas. A space ratio greater than 39 means that there should be plenty of space for each passenger.) When this ship isn't sailing at capacity the space ratio can be as good as 35.1.

The Costa Diadema has 1253 crew members on board. There are 4 passengers for every crew member on board. There are no self serve laundromats on this cruise ship.

Sister Ships



There are 28 special needs cabins on this ship. These cabins have been modified for accessibility purposes.

14 Decks

There are 14 on this ship. The highest deck number is 15. The number of decks with passenger cabins is 9.

52% Balconies

This is the percent of the staterooms on board have balconies.

Other Information

Maiden voyage was on November 1st, 2014.

This ship has 11 swimming pools and hot tubs, 8 restaurants and snack bars, and 11 bars and lounges.

Sister ships are Carnival Breeze, Carnival Dream, and Carnival Magic.

Costa Diadema Ship Stats

Item Detail
Year Built 2014
Years Old 9
Tons 132,500
Speed 22.5 knots
Length 1,004 feet
Beam 121 feet
Total Cabins 1,886
Crew 1,253
Expected Passengers 3,772 to 4,526
Expected Space Ratio 29
Total decks 14
Decks with cabins 9

Costa Diadema Features


  • 3 Outdoor Pools swimming
  • 8 Whirlpools (hot tubs)
  • No Rock Climbing Wall
  • No Flow Rider
  • No Ice Rink
  • No Bowling
  • No Zipline
  • No Waterslide
  • No Water Park
  • No Ropes Course
  • No Mini Golf
  • No Sports Court
  • Jogging Track


  • Casino casino
  • Cigar Lounge
  • No Chapel
  • Video Arcade
  • Show Lounge
  • Hair Salon
  • Spa
  • Fitness Center
  • Library library
  • No Bridge Viewing Area
  • No Outdoor Movie Screen
  • Teen Lounge
  • Passenger Promenade Deck
  • No Upper Deck Sea Viewing Lounge
  • No Adult Only Outside Lounge Area

Live Cruise Ship Tracking - Costa Diadema

This map uses AIS (automatic tracking system). The transceivers on ships is used to report location live. However the ships are not always within range to a station that can pick up the signal.

Smoking Policy

  • Smoking was eliminated on all ships January 1, 2014 except for designated areas on open decks and the cigar lounges, if applicable.

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