Costa Diadema

About this ship

The Costa Diadema is a majestic cruise ship in the Costa fleet, accommodating approximately 4,947 passengers. Known for its elegant design and diverse onboard experiences, it features a stunning panoramic pool area and a unique "Café Illy" for coffee lovers, making it ideal for families and social travelers seeking relaxation and entertainment.

Buenos Aires to Santos • 4 nights • Departs Mar. 25, 2026

Current Location Future Locations Local Time at Ports Packing List

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Units: Imperial Metric

Cruise Weather Brief

Day 1

Wednesday Mar. 25, 2026

Buenos Aires, Argentina

Port Guide

Weather forecast available on Mar. 10, 2026 for Cruise Outlook Premium users and on Mar. 18, 2026 for free users.

Other ships at location: none

4,947 total passengers

Day 2

Thursday Mar. 26, 2026

Montevideo, Uruguay

Weather forecast available on Mar. 11, 2026 for Cruise Outlook Premium users and on Mar. 19, 2026 for free users.

Other ships at location: none

4,947 total passengers

Day 3

Sea Day

Friday Mar. 27, 2026

At Sea: Montevideo, Uruguay → Itajaí, Brazil

Weather forecast available on Mar. 12, 2026 for Cruise Outlook Premium users and on Mar. 20, 2026 for free users.

Day 4

Saturday Mar. 28, 2026

Itajaí, Brazil

Weather forecast available on Mar. 13, 2026 for Cruise Outlook Premium users and on Mar. 21, 2026 for free users.

Other ships at location: none

4,947 total passengers

Day 5

Sunday Mar. 29, 2026

Santos, Brazil

Port Guide

Weather forecast available on Mar. 14, 2026 for Cruise Outlook Premium users and on Mar. 22, 2026 for free users.

Other ships at location: MSC Preziosa

8,449 total passengers

Weather data provided by OpenWeather

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