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Costa Diadema Cruise Itineraries & Ship Specs

Costa Cruises
Costa Diadema from Costa Cruises

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Costa Diadema Overview

Costa Diadema dazzles with multiple restaurants, bars, and a stunning spa across 14 decks.

About the Costa Diadema
  • Total Passengers: 4947 guests
  • Total Crew: 1253 staff
  • Year Built: 2014
  • Last Renovation: 2022
  • Gross Tonnage: 132500 tonnes
  • Length: 1004 ft (306 m)
  • Beam (width): 125 ft (38.1 m)
  • Speed: 22.5 knots
  • Draft: 27 ft (8.2 m)
  • Ship Class: Dream Class
  • Ship Registry: Italy
View Sailing Dates

Costa Diadema Sailing Dates

Jan 24, 2026 (Sat - Sat)
7 Nt South America Cruise
From Itajai
Ports of Call:
Itajai (Brazil) | Santos (Brazil) | Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil)
Special Offers:
  • Drink Specials
$1,039 pp
Jan 25, 2026 (Sun - Sun)
7 Nt South America Cruise
From Santos
Ports of Call:
Santos (Brazil) | Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil) | Santos (Brazil)
Special Offers:
  • Drink Specials
$1,102 pp
Jan 28, 2026 (Wed - Wed)
7 Nt South America Cruise
From Buenos Aires
Ports of Call:
Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Camboriu) | Santos (Brasil) | Buenos Aires (Argentina)
View Price
Jan 31, 2026 (Sat - Sat)
7 Nt South America Cruise
From Itajai
Ports of Call:
Itajai (Brazil) | Santos (Brazil) | Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil)
Special Offers:
  • Drink Specials
$1,029 pp
Feb 1, 2026 (Sun - Sun)
7 Nt South America Cruise
From Santos
Ports of Call:
Santos (Brazil) | Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil) | Santos (Brazil)
Special Offers:
  • Drink Specials
$1,092 pp
Feb 4, 2026 (Wed - Wed)
7 Nt South America Cruise
From Buenos Aires
Ports of Call:
Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil) | Santos (Brazil) | Buenos Aires (Argentina)
Special Offers:
  • Drink Specials
$1,321 pp
Feb 7, 2026 (Sat - Sat)
7 Nt South America Cruise
From Itajai
Ports of Call:
Itajai (Brazil) | Santos (Brazil) | Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil)
Special Offers:
  • Drink Specials
$1,029 pp
Feb 8, 2026 (Sun - Sun)
7 Nt South America Cruise
From Santos
Ports of Call:
Santos (Brazil) | Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil) | Santos (Brazil)
Special Offers:
  • Drink Specials
$1,092 pp
Feb 11, 2026 (Wed - Wed)
7 Nt South America Cruise
From Buenos Aires
Ports of Call:
Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil) | Santos (Brazil) | Buenos Aires (Argentina)
Special Offers:
  • Drink Specials
$1,056 pp
Feb 14, 2026 (Sat - Sat)
7 Nt South America Cruise
From Itajai
Ports of Call:
Itajai (Brazil) | Santos (Brazil) | Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil)
Special Offers:
  • Drink Specials
$1,009 pp
Feb 15, 2026 (Sun - Sun)
7 Nt South America Cruise
From Santos
Ports of Call:
Santos (Brazil) | Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil) | Santos (Brazil)
Special Offers:
  • Drink Specials
$1,072 pp
Feb 18, 2026 (Wed - Wed)
7 Nt South America Cruise
From Buenos Aires
Ports of Call:
Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil) | Santos (Brazil) | Buenos Aires (Argentina)
Special Offers:
  • Drink Specials
$1,036 pp
Feb 21, 2026 (Sat - Sat)
7 Nt South America Cruise
From Itajai
Ports of Call:
Itajai (Brazil) | Santos (Brazil) | Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil)
Special Offers:
  • Drink Specials
$1,009 pp
Feb 22, 2026 (Sun - Sun)
7 Nt South America Cruise
From Santos
Ports of Call:
Santos (Brazil) | Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil) | Santos (Brazil)
Special Offers:
  • Drink Specials
$1,072 pp
Feb 25, 2026 (Wed - Wed)
7 Nt South America Cruise
From Buenos Aires
Ports of Call:
Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil) | Santos (Brazil) | Buenos Aires (Argentina)
Special Offers:
  • Drink Specials
$1,036 pp
Feb 28, 2026 (Sat - Sat)
7 Nt South America Cruise
From Itajai
Ports of Call:
Itajai (Brazil) | Santos (Brazil) | Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil)
Special Offers:
  • Drink Specials
$1,029 pp
Mar 1, 2026 (Sun - Sun)
7 Nt South America Cruise
From Santos
Ports of Call:
Santos (Brazil) | Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil) | Santos (Brazil)
Special Offers:
  • Drink Specials
$1,092 pp
Mar 4, 2026 (Wed - Wed)
7 Nt South America Cruise
From Buenos Aires
Ports of Call:
Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil) | Santos (Brazil) | Buenos Aires (Argentina)
Special Offers:
  • Drink Specials
$1,056 pp
Mar 7, 2026 (Sat - Sat)
7 Nt South America Cruise
From Itajai
Ports of Call:
Itajai (Brazil) | Santos (Brazil) | Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil)
Special Offers:
  • Drink Specials
$999 pp
Mar 8, 2026 (Sun - Sun)
7 Nt South America Cruise
From Santos
Ports of Call:
Santos (Brazil) | Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil) | Santos (Brazil)
View Price
Mar 11, 2026 (Wed - Wed)
7 Nt South America Cruise
From Buenos Aires
Ports of Call:
Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Camboriu) | Santos (Brasil) | Buenos Aires (Argentina)
Special Offers:
  • Drink Specials
$1,291 pp
Mar 14, 2026 (Sat - Sat)
7 Nt South America Cruise
From Itajai
Ports of Call:
Itajai (Brazil) | Santos (Brazil) | Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil)
Special Offers:
  • Drink Specials
$979 pp
Mar 15, 2026 (Sun - Sun)
7 Nt South America Cruise
From Santos
Ports of Call:
Santos (Brazil) | Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil) | Santos (Brazil)
View Price
Mar 21, 2026 (Sat - Sat)
7 Nt South America Cruise
From Itajai
Ports of Call:
Itajai (Brazil) | Santos (Brazil) | Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil)
Special Offers:
  • Drink Specials
$979 pp
Mar 22, 2026 (Sun - Sun)
7 Nt South America Cruise
From Santos
Ports of Call:
Santos (Brazil) | Buenos Aires (Argentina) | Montevideo (Uruguay) | Itajai (Brazil) | Santos (Brazil)
Special Offers:
  • Drink Specials
$1,042 pp

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