The Costa Diadema and the MSC Seaview are on their way to Brazil to serve as floating hotels during a United Nations event in Belém do Pará.

Chartered to the Brazilian government , the ships will welcome attendees of the 30th Conference of the Parties to the United Nations Framework Convention on Climate Change (UNFCCC COP 30), which takes place between November 10 and 21, 2025.

The vessels will be docked at a new cruise terminal that was built specifically for the event at Porto do Outeiro .

After concluding a fall season in the Mediterranean, the Costa Diadema started its repositioning voyage to Belém on October 24, 2025.

Sailing with no guests onboard, the 2014-built vessel departed from Savona, Italy, and is expected to arrive at the port on November 4, 2025.

The MSC Seaview st

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