Costa Diadema

Costa Cruises · Dream class · 2014

Costa Diadema measures 133,019 gross tons, with room for 3,772 guests. Costa Diadema sails 7-night cruises from Maceio and moves to Buenos Aires in Dec 2026.

See cruise scheduleShip specifications
Costa Diadema docked under a blue sky, three-quarter bow view
credit
Built
2014
Tonnage
133,019
Decks
14
Cabins
1,862
Guests
3,772
4,947 at full occupancy
Crew
1,253

Costa Diadema cruise schedule

136 cruises in the next 12 months · open a cruise to see its itinerary · all times local

    1. Santa Cruz de Tenerife
      ParkingHotels
      Wed 11 Nov 5:00 pm
      Port crowd
    2. At sea
      Thu 12 Nov
    3. At sea
      Fri 13 Nov
    4. Mindelo
      Sat 14 Nov8:00 am6:00 pm
      Port crowd
    5. At sea
      Sun 15 Nov
    6. At sea
      Mon 16 Nov
    7. At sea
      Tue 17 Nov
    8. At sea
      Wed 18 Nov
    9. Maceio
      Thu 19 Nov7:00 am1:00 pm
      Port crowd
    10. Salvador
      Fri 20 Nov7:00 am1:00 pm
      Port crowd
    11. At sea
      Sat 21 Nov
    12. Rio de Janeiro
      ParkingHotels
      Sun 22 Nov 8:00 am
      Port crowd

Showing 6 of 136 cruises

Where Costa Diadema sails

Homeport and departures by month · Nov 2026 – Oct 2027

Most of its sailings are in the South America, with more in the Baltic, Norwegian Fjords, Russia. Costa Diadema sails from Maceio (Nov 2026), Salvador (Nov 2026) and Santos (Nov 2026 – Apr 2027).

MaceioSalvadorSantosItajaiBuenos AiresMontevideoRio de JaneiroKielCopenhagenBarcelonaMarseilleSavonaAlicanteMálagaNumber = cruises starting that month

Ports Costa Diadema visits

39 ports of call in the next 12 months · homeports not counted

HomeportPort of callSize = ship calls

How Costa Diadema sails

Sailings starting in the next 12 months · Nov 2026 – Oct 2027 · from published itineraries

Port intensity

Port days and sea days per cruise, between embarkation and return

Time in port
9 h
median · 1 – 15 h
Port days
61%
of days between embarkation and return
Overnight calls
0
none scheduled
Late departures
35
after 8:00 pm · latest 10:00 pm

Cruise patterns

  • 4 ports · 2 sea days7 nights16 cruises
  • 4 ports · 2 sea days7 nights15 cruises
  • 3 ports · 3 sea days7 nights13 cruises
  • 3 ports · 3 sea days7 nights13 cruises
  • 3 ports · 3 sea days7 nights12 cruises

Port daySea dayEmbarkation and return days not shown

Sea days are the days between embarkation and return with no port call. Hours in port run from arrival to departure; calls with unpublished times are left out. Late departure = leaving a port of call after 8:00 pm, local time.

Costa Diadema specifications

From the cruise line and ship registries · metric units

Ship

Cruise line
Costa Cruises
Class
Dream class
Year built
2014
Status
In service
IMO
9636888
MMSI
247353700

Size

Gross tonnage
133,019 GT
Length
306 m
Beam
37.2 m
Decks
14
Cruising speed
20 knots

Capacity

Guests, double occupancy
3,772
Guests, full occupancy
4,947
Cabins
1,862
Crew
1,253
Guests per crew member
3.0
Space per guest
35.3 GT

How it compares

91st largest of 350 ships in service

Gross tonnage

  • Costa Diadema133,019
  • Costa Cruises average131,553
  • All ships in service91,156

Guests, double occupancy

  • Costa Diadema3,772
  • Costa Cruises average3,586
  • All ships in service2,189

More Costa Cruises ships

See the Costa Cruises fleet

Including Costa Toscana, Costa Smeralda, Costa Pacifica, Costa Serena, Costa Fascinosa, Costa Favolosa

About Costa Diadema

Costa Diadema is a Costa Cruises ship built by Fincantieri at Marghera and delivered in 2014, on a design derived from Carnival's Dream class. At 133,019 gross tons she has 1,862 cabins and room for up to 4,947 guests. Her signature feature is an outdoor promenade on Deck 5 stretching more than 500 metres, alongside the Solemio Spa and a children's area with a water slide.