Discover South America Aboard Costa Diadema and Costa Serena: A Complete Traveler’s Guide to 2026-27 Cruises

Published on December 26, 2025

Costa Cruises is bringing two of its flagship ships, the Costa Diadema and Costa Serena, to South America for the 2026-27 season. Travelers now have the chance to explore Brazil, Argentina, and Uruguay with carefully planned itineraries that balance cultural exploration, beach relaxation, and onboard luxury.

Whether you prefer short escapes or extended journeys, Costa Cruises’ South America season offers a wide range of options for global travelers seeking adventure.

Departure Ports and Cruise Options

Sailings will depart from key Brazilian ports such as Santos, Itajaí, and Rio de Janeiro, and from South American hubs like Buenos Aires and Montevideo. Cruises range from three to nine nights, giving travelers the flexibility to choose short getaways or longer explorations.

Mini-cruises on the Costa Diadema will allow guests to visit scenic coastal destinations such as Ilhabela, famous for its lush landscapes. Meanwhile, seven-night cruises explore vibrant cities like Buenos Aires and Montevideo, providing a mix of city life and coastal beauty.

After more than a decade, the Costa Serena returns to South America with renewed energy, offering modernized amenities and a variety of itineraries from Buenos Aires, Montevideo, and Rio de Janeiro. These include three-night to nine-night cruises, perfect for travelers looking for a comfortable and immersive experience.

Top Highlights for Travelers

Travelers can expect a blend of cultural experiences, beaches, and local cuisine. Punta del Este in Uruguay is known for its sandy shores and lively coastal atmosphere. Brazil’s Balneário Camboriú offers stunning ocean views and a mix of modern city life and relaxed beach vibes.

Onboard, Costa Cruises ensures a high-quality experience with comfortable accommodations, fine dining, entertainment, and wellness options. The recent renovation of the Costa Serena makes it ideal for travelers seeking modern facilities while cruising through South America’s scenic waters.

Repositioning Cruises and Extended Journeys

At the end of the South America season, both ships will sail to Europe. The Costa Diadema will embark on a 26-night transatlantic voyage from Santos to Kiel, Germany. These repositioning cruises are ideal for travelers seeking extended adventures and a unique chance to experience new destinations along the way.

Practical Travel Tips

Visa and Entry Requirements: Travelers should check official government websites, such as Brazil’s Ministry of Foreign Affairs and Argentina’s immigration portal, for updated visa requirements before departure.

Health and Safety: Consult government health advisories for vaccination updates, travel health tips, and any COVID-19 or tropical disease precautions.

Local Culture: Immerse yourself in local traditions, cuisine, and festivals. Buenos Aires offers tango and historical architecture, while Brazil’s coastal towns showcase vibrant beach culture.

Weather Planning: November to April is ideal for cruising South America, covering spring to summer. Travelers can enjoy pleasant temperatures and abundant outdoor activities.

Why Choose Costa Cruises for South America?

Costa Cruises provides a unique combination of convenience, comfort, and authentic travel experiences. With multiple departure ports, diverse itineraries, and modern amenities, it’s perfect for travelers seeking both exploration and relaxation.

Whether you are interested in short coastal trips or longer voyages covering multiple countries, Costa Cruises’ South America season ensures travelers can discover the continent in style.

Booking Your Adventure

Global travelers can now secure their cabins for the 2026-27 season. Early booking guarantees cabin selection and access to special offers. From the sandy beaches of Brazil to the cultural richness of Buenos Aires and Montevideo, Costa Cruises offers a seamless journey through South America’s most iconic destinations.

With experienced crews, well-planned itineraries, and newly renovated ships, Costa Cruises invites travelers to explore South America in comfort, style, and safety. Your next unforgettable adventure awaits across the continent’s vibrant cities, stunning coastlines, and unique cultural experiences.