Costa Diadema, launched in 2014, is the latest addition to our fleet. It is built for relaxation and fun with lots of on-board activities, scintillating bars, gourmet restaurants and the spa area.
Among the special features not to be missed: an entire deck dedicated to children with castle and pirate galleon and the terrace on deck 5 for strolling and enjoying an aperitif at sunset: a real treat for holidaying in perfect Italian style. The cabins aboard our Flagship are elegant, well-appointed and spacious for up to five guests. At any time of the day or night you'll be spoilt for choice on what to do: sports, games, a large three-story theatre that welcomes international artists, and you too can take to the stage with Tu sì que Vales... and then the Aperol Spritz Bar for a cocktail before dancing the night away at the disco, a games room for returning to your childhood and a real German pub. We look forward to welcoming you on board.
Day #
Date
Port
Arrive
Depart
1
Friday, 9/11/26
About Kiel
Liel is a city in northern Germany, capital of the Schleswig-Holstein Bundesland. Located at the Baltic Sea, the city was the countries long time main naval base until the installations were dismantled after the Second World War. Kiel is famous for sailing events. Every year the "Kieler Woche" is held (the first time in 1882), a series of sailing regattas with a cultural framework. In 1936 and 1972, when the Olympic Games were held in Berlin and Munich, respectively, the Olympic yachting competitions were held in Kiel.
Kiel Activities
The main tourist attraction is the Kieler Woche ("Kiel Week") at the end of June, the largest sailing event of the world and one of Germany's largest festivals. Apart from the sailing, the entire centre of the town is transformed into an international food and craft fair, with regular big name performers appearing nightly. Due to Kiels proximity to the North Pole, it stays light until well into the evening making for a spectacular event.
Also famous is in Laboe (part of Kiel on the east-side) a submarine from the 2. World War at the shore and the "Marine-Ehrenmal" (Navy Memorial) with a high tower.
Kiel is famous for the Nord-Ostsee Kanal, the worlds busiest canal. It is possible to walk almost the entire the length of the canal from Kiel to Hamburg, overnighting in the town of Rendsburg.
Kiel is the home of the German Baltic fleet, and it is common to see all types of german warships and submarines in the "Förde", including the sail training vessel Gorch Fock
The center of Danish commerce and government, Copenhagen is one of Europes best-loved capitals. Visit the Little Mermaid statue and enjoy Tivoli Gardens, the 150-year-old amusement park. You can see the Danish crown jewels at Rosenborg Palace.
Copenhagen Attractions
Take a stroll down Langelinie Promenade to see the heart of Copenhagen. It runs along the water from the port, skirting the 300-year-old, moated citadel near the celebrated statue of Hans Christian Andersen's Little Mermaid. The surrounding park is home to the Gefion Fountain, Copenhagen's most spectacular fountain.
Copenhagen Activities
Visit two of Copenhagen's most famous castles - the Rosenborg, home to the Danish crown jewels, and the Christianborg, the residence of the Royal Family since 1749.
See the symbol of Copenhagen, the famous bronze sculpture of the Little Mermaid.
Visit the Canals of Gammel Strand and the water fountain of Gefion.
Pay your respects at the Resistance Museum, featuring relics of the Resistance Movement during the German occupation of World War II.
The largest and most important port in southeast Norway. A popular shopping area. Kristiansand, city and seaport in southern Norway, on the Skagerrak Strait. It is the seat of Vest-Agder County. Fish products, paper, pulp, and timber are shipped from here, and tourism is important. Kristiansand was founded in 1641 by Christian IV, king of Denmark and Norway. The city became an Episcopal see in 1682. Population (1993 estimate) 67,113.
The port of Le Havre lies at the mouth of the Seine River that flows to romantic Paris, "City of Lights." Paris features the incredible treasures of the Louvre, the Arc de Triomphe, the Eiffel Tower and Sacre Coeur.
Le Havre Attractions
Le Havre's prime location between Honfleur and Normandy offers a huge range of options. It's a gateway to the beaches that witnessed the bravery of D-Day and to the coasts and countryside that inspired so many artists. It's also a good place to visit for its art galleries and cafes, and it offers a relaxing alternative to the half-day commute into Paris.
Le Havre Activities
A gateway to Paris and close to Normandy, the port itself has some excellent cafes and restaurants
There is literally a wealth of history at Vigos doorstep -- it is said that Spanish treasures ships lie buried in the bottom of the harbor. Vigo is also gateway for a pilgrimage through history to the Shrine of Santiago de Compostela.
Vigo Attractions
Enjoy some of the most beautiful coastline in the world during a drive along the scenic coastal road to La Toja, a city where you'll experience true Galician culture - rich in historical significance and home to a church that is completely covered in seashells.
Vigo Activities
Explore the ruins of Santa Maria de Dozo.
Visit the famous El Berbes or fisherman's area to see the Oyster Market.
Explore the oldest part of the city, with its twisting streets, flights of steps and old mansions.
Lisbon is a city of great character and endearing charisma. Located in a hilly region at the mouth of the Tagus, the city retains an old world flair with cobbled alleyways in Alfama, the old town. Competing with the elegant avenues of Alto where sorrowful "fado" music fills the evening air is the Chiado, Lisbons affluent shopping district.
Lisbon Attractions
Don't miss the Mosteiro dos Jeronimos, or Jeronimo's Monastery. Commissioned in 1501 after Vasco da Gama's return from his voyage, this remarkable monastery is a beautiful and unique example of Manueline architecture.
Lisbon Activities
Explore the streets of Lisbon from Rossio Square to the main thoroughfare, the Avenida da Liberdade. Visit the monastery and the Maritime Museum, which houses miniature boats and original maps chronicling the history of navigation from the Middle Ages to today.
Visit Sintra, considered one of the most beautiful palaces in Portugal. It was once the summer residence of Portuguese kings and aristocrats.
Walk through the charming village of Fatima, where numerous sightings of the blessed Virgin Mary have been reported.
Cadiz is the western worlds oldest inhabited city with shores bathed by both the Atlantic and the Mediterranean. Tiny villages are scattered at random along golden beaches and up twisting mountain roads leading to romantic Seville. Visit Sanlucar de Barrameda where Magellan began his voyage around the world and Jerez de la Frontera, home of the worlds finest sherry.
Cadiz Attractions
The cathedral in Cádiz is by far its best-known landmark. It was built in the 18th century with gold imported from the New World. There is also a museum with a breathtaking, and priceless, collection of gold, silver and jewels, and the crypt of the great Cádiz-born composer Manuel de Falla.
Cadiz Activities
Stroll through the charming Plaza de Mina, lined with sidewalk cafés and remarkable architecture. It's also home to the Fine Arts and Archaeology Museum.
Climb to the top of the Torre Tavira, one of the 160 watchtowers built in the 18th century, for a view of the entire city.
Relax on one of the beautiful white-sand beaches.
Visit the Oratorio de Santa Cruz church, home to several paintings by Francisco Goya.
Take in the scenery. With water surrounding the city on three sides, Cadiz is famous for its breathtaking landscapes and ocean views.
Founded by Romans in the first century BC, Barcelona is the vibrant capital of Catalonian Spain. Many of the worlds finest treasures can be seen in Barcelonas museums and monuments. Romanesque and Gothic frescoes and treasures can be enjoyed at the Catalan Art Museum. Among the most treasured sites is Gaudis masterpiece, The Sagrada Familia.
Barcelona Attractions
While you're in Barcelona, don't miss the Picasso Gallery. Several adjoining 15th-century palaces house a huge collection (over 2,000 pieces) of Picasso's work.
Barcelona Activities
Stroll along Las Ramblas, a wonderfully vibrant part of the city where street vendors and performers vie for your attention.
Explore the many churches and cathedrals of Barcelona and discover the city's modernist architecture along Paseo de Gracia.
Visit Antoni Gaudí's unfinished Segrada Familia. With eight soaring spires and a spectacular main façade, this cathedral is a true architectural masterpiece.
Founded nearly 26 centuries ago, Marseilles is the oldest city in France, a mosaic of old and new with a dozen villages and eight islands, each offering a world of enchanting discoveries. At nearby Avignon, visit the magmificient Palace of the Popes and the hilltop Basilica Notre Dame de la Garde. Explore ruins of 13th century Palais Longchamps and colorful "Old Harbour" where you can browse open-air markets.
Marseille Attractions
For the best view of the city, there's only one place to go: Notre Dame de la Garde. Entirely covered in gold leaf, it towers over Marseille at an impressive 500 feet tall (154 meters.) Throughout the years, it has served as a lookout post, a military zone and a place of worship.
Marseille Activities
Stroll around the Old Port, or Vieux Port as the locals say, which was once known as the gateway to the Mediterranean. Here you'll find the popular theatre, Théâtre National de la Criée, as well as many cafés and restaurants lining the streets.
See the amazing history of the city - 26 centuries worth - at Musée d'Histoire de Marseille.
Walk through Cours Julien, a pedestrian square with a beautiful water garden and fountain, as well as trendy shops, cafés and theatres.
Visit Le Prado south of the city where you'll find Parc Borély, a magnificent city park with numerous ponds, a botanical garden and a greenhouse.
Costa Diadema, launched in 2014, is the latest addition to our fleet. It is built for relaxation and fun with lots of on-board activities, scintillating bars, gourmet restaurants and the spa area.
Among the special features not to be missed: an entire deck dedicated to children with castle and pirate galleon and the terrace on deck 5 for strolling and enjoying an aperitif at sunset: a real treat for holidaying in perfect Italian style. The cabins aboard our Flagship are elegant, well-appointed and spacious for up to five guests. At any time of the day or night you'll be spoilt for choice on what to do: sports, games, a large three-story theatre that welcomes international artists, and you too can take to the stage with Tu sì que Vales... and then the Aperol Spritz Bar for a cocktail before dancing the night away at the disco, a games room for returning to your childhood and a real German pub. We look forward to welcoming you on board.
Year Built
2014
Capacity
3,690
Meeting Rooms
Yes
Year Refurbished
N/A
Elevators
14
Casino
Yes
Registry
N/A
Restaurants
7
Disco
Yes
Tonnage
132,500
Bars
15
Fitness Center
Yes
Cabins
1
Pools
3
Children's Program
Yes
Handicap Cabins
N/A
Theaters
Y
Internet Cafe
Yes
Shops
Yes
Library
Yes
Spa
Yes
Cabin Categories | Decks
AftView Extended Balcony
Balcony
Cove Balcony
Deluxe Ocean View
Grand Suite
Inside
Interior
Interior Upper Lower
Interior with Picture Window
Junior Suite
Ocean Suite
Ocean View
Outside
Porthole
Premium Vista Balcony
Spa Balcony
Spa Interior
Spa Ocean View
Spa Suite
Cabin Details
8M AftView Extended Balcony
8M AftView Extended Balcony
8A 8B Balcony
7C Cove Balcony
6L 6M 6N Deluxe Ocean View
GS Grand Suite
Inside
Inside
Inside
Inside
Inside
Inside
Inside
Inside
Inside
Inside
4A 4B Interior
1A Interior Upper Lower
4J Interior with Picture Window (obstructed views)
JS Junior Suite
OS Ocean Suite
6A Ocean Suite
Outside
Outside
Outside
Outside
Outside
Outside
Outside
Outside
Outside
Outside
Outside
Outside
Outside
Outside
Outside
Outside
Outside
Outside
PT Porthole
9C Premium Vista Balcony
8P Spa Balcony
4S Spa Interior
6S Spa Ocean View (obstructed views)
SS Spa Suite
Deck 15
Deck 14
Deck 12
Deck 11
Deck 10
Deck 9
Deck 8
Deck 7
Deck 6
Deck 5
Deck 4
Deck 3
Deck 2
Deck 1
Deck 9 - Bizantino
Deck 10 - Hortensia
Deck 11 - Timur
Deck 12 - Stella D’Africa
Deck 14 - Milleninium Star
Deck 1 - Excelsior
Deck 2 - Sara
Deck 3 - Centenary
Deck 4 - Perla Di Venere
Deck 5 - Eldorado
Deck 6 - Braganza
Deck 7 - Conde
Deck 8 - Star of India
Request Additional Information
Departure Port:
Kiel
Sailing Date:
Friday, 09/11/26
Return Date:
Tuesday, 09/22/26
Nights:
11
Ship:
Diadema
Cruise Line:
Costa Cruises
Checking For Available Shore Excursions From ShoreTrips®
Prices are per person, double occupancy, cruise only and on select sailings. Prices shown are for stateroom categories as noted and are shown in US Dollars. Government taxes and fees are additional. Airfare is not included. Prices and itineraries are based on availability and are subject to change without notice.