Name: 12 Night Ocean Cruises Cruise
Brand: Costa Cruise Lines
SKU: 118226
Price: 1366.97 USD
Availability: InStock

Explore and book Costa Cruise Lines 12 Night Ocean Cruises Cruise on the Costa Diadema departing from Kiel, Germany on Sep 11, 2026 and ending in Kristiansand on Sep 23, 2026 Sail to Barcelona, Spain, Kiel, Germany, Alicante, Spain, Vigo, Spain, Marseille, France, Savona (Genoa), Italy, Copenhagen, Denmark, Malaga, Spain, Le Havre (Paris), France, Kristiansand

Kiel, Germany

Exclusive My Cruise

Located on the Baltic Sea, Kiel is renowned for its sailing events and maritime landmarks. The Kiel Canal, one of the world's busiest artificial waterways, offers cruisers a unique passage experience.

Copenhagen, Denmark

Dive into Copenhagen, Denmark's vibrant capital. With its historic palaces, modern design, and canal-front charm, cruising to Copenhagen ensures cultural experiences, architectural wonders, and the heart of Danish "hygge".

Kristiansand

Le Havre (Paris), France

Le Havre, a UNESCO World Heritage site, combines modernist architecture with a rich maritime heritage. Discover the innovative designs of architect Auguste Perret in the rebuilt city center, and visit the impressive Musée d'Art Moderne André Malraux (MuMa) for its extensive collection of Impressionist works. Enjoy a stroll along the seafront promenade or relax on the expansive beach. Le Havre offers a unique blend of art, architecture, and coastal leisure.

Vigo, Spain

Nestled in Spain's Galicia region, Vigo boasts a rich maritime history, beautiful beaches, and a tantalizing seafood scene. Explore the ancient streets of its Old Town or set off to the Cíes Islands, a natural paradise off Vigo's coast.

Malaga, Spain

Nestled on Spain's Costa del Sol, Malaga is a blend of Moorish history, sunny beaches, and birthplace of Picasso. Explore the Alcazaba fortress or indulge in Mediterranean cuisines by the coast.

Alicante, Spain

Chef's Market Discoveries - Alicante's Regional Delicacies and Private Dinner
Alicante Tapas Tour
Alicante Segway
Medieval Alicante
Panoramic Alicante and Elche
Novelda and Wine Tasting
Guadalest
Benidorm On Your Own

Barcelona, Spain

Visit La Sagrada Família
Experience Park Güell
Relax on La Barceloneta Beach
Explore the Gothic Quarter
Tour the Cathedral of Barcelona
Take a Walk Down Las Ramblas
Discover Delicious Treats at La Boqueria
Tour One of the Largest Museums Dedicated to Picasso
See the Basilica of Santa Maria del Mar
Stop by Casa Batlló
Enjoy a Game at a Famous Soccer Stadium
Climb Mount Tibidabo
Get Lost in Parc del Laberint d’Horta
Enjoy a Performance at Palau de la Musica Catalana
Have Fun Shopping at Mercat de Santa Caterina

Marseille, France

See the City Essentials
Taste Cheeses and Wines
Get Next to an Ancient Roman Aqueduct
Enjoy a French Lunch
See the Home Town of Nostradamus
Learn About Lavender
Catch a Fishing Village
Visit a Winery
Get the Best of Two Worlds
Familiarize Yourself with a French Fort
Revitalize Yourself at a 21st Century Park

Savona (Genoa), Italy

A Taste of Savona
Private Barlo and The Langhe Driver/Guide
Private Cinque Terre Tour Driver/Guide
Private Sanremo and Monte Carlo Driver

12 Night Ocean Cruises Cruise

Baltic

Iberian Peninsula

Scandinavia

Africa

Mediterranean

Europe

A pool dedicated to children, including colors, water games and fun in total safety. All around, the view of the horizon and the comfort of spaces suitable for the whole family.

Aqua Park

Experience the excitement of the baize table, the on-board casino: try your luck at the slot machines or blackjack and the intoxicating thrill of the roulette wheel!

Casino

The 400 m2 museum conceived by Adam Tihany showcases the excellence of Italian design.

CoDe Museum

You can purchase beautiful gifts on board, and everything that you may need for your cruise.

Galleria Shops

Are you competitive? Test yourself with Minigolf for exciting challenges with family or friends. The loser offers a drink!

Minigolf

Who said that soccer table is child's play? Get ready to challenge your friends and organize tournaments. May the best man win!

Outdoor Soccer Table Area

The Rope Garden Adventure Park is for brave and agile hearts, because here you travel suspended on the sea between Tibetan bridges, platforms and cableways. Are you ready for this adventure?

Rope Garden Adventure Park

The area where young and old can be entertained with a variety of games and video games suitable for all ages.

Video Arcade

An Aperol Spritz is an invitation to smile for the day in an atmosphere of serenity, an expression of joy on your Costa holiday.

Aperol Spritz Bar

The Ferrari Wine Bar is a classy corner on a Costa Cruise ship, where we sip exceptional Italian bubbly. Ferrari is the Italian brand of excellence for bubbly.

Bollicine Bar

The tastiest way to start the night on a Costa ship? A good glass of red or white wine from our wine shops and bars.

DiVino Gran Duca di Toscana

Discover the area dedicated to Nutella® and its recipes to add a touch of optimism to your holiday in the middle of the sea

Nutella at Costa

Experience the typical Venetian aperitif. Between tasty savoury delicacies and drinks prepared by experienced bartenders, relive the atmosphere of the most characteristic Italian taverns of the North East in a new, floating lagoon

Il Bacaro Venetian Bar

The Campari Bar will offer a portfolio of Campari liqueur varieties and popcorn flavored with Campari or caramel.

Campari Bar

If you are looking for an authentic Italian taste experience on board, come and discover one of our most interesting novelties: the Brewery.

Birreria

Discover the new Restaurant Archipelago: a brand new location with innovative and sustainable design. Three world-famous chefs with three new menus await you: Bruno Barbieri, Hélène Darroze and Ángel León.

Archipelago

By the pool, a take away lunch or a delicious snack, try our burgers, hot dogs and fries! It will be a tasty break, to share with your friends and your family.

Burger Bar

Breakfast, lunch and dinner served at your table, which will be booked for your entire cruise. An à la carte menu awaits you with a wide selection of dishes carefully prepared by our chefs.

Club Diadema Restaurant

Chinese food tonight? Taste the best of China between Noodles and Ravioli, with a menu based on meat, fish or vegetarian.

Dim Sum Chinese dumplings/Noodle Bar

A creamy homemade ice cream or some delicious chocolate praline? No one can resist the delicacies of the Ice Cream Shop Amarillo.

Gelateria - Cioccolateria Amarillo

Indulge in the trendiest culinary delight, the Poke Bowl, against a backdrop of stunning ocean vistas at the restaurant boasting panoramic views.


KikiPoke

La Fiorentina Steak House" welcomes you with the best Italian meats such as Florentine T-bone and Piedmontese fassona steak, but also Irish Black Angus and organic chicken.

La Fiorentina Steak house

Pummid'Oro Pizzeria serves up authentic Italian flavors with hand-tossed pizzas and house-made mozzarella. Crafted using traditional recipes and high-quality ingredients, each slice delivers a true taste of Italy. Ideal for casual bites with a gourmet twist.


Pummid'Oro Pizzeria

From Asian to South American ingredients and recipes, originally prepared with and Italian inspiration

Samsara Restaurant

Sushino at Costa is the cruise line’s first onboard sushi bistro, offering an authentic Japanese dining experience. From fresh nigiri and maki to delicate sashimi and sweet mochi, each dish is crafted with precision by expert sushi chefs. Dine in or grab a takeaway—perfect for a light aperitif or a full meal.



Sushino at Costa

Immerse yourself in a serene Oriental-style retreat with a night spent in soft surroundings, where the artistry of Japanese chefs unfolds before your eyes for a truly unique experience.


Teppanyaki Restaurant

Every evening at the theater spectacular shows await you: musicals, comedy shows, acrobats, games and much more ... there is something for everyone!

Theatre

An area dedicated to teenagers, but also to those with a passion for video games. Ready for the next challenge?

Teens Lounge

Children between 3 and 11 years old can have fun at the Squok with our entertainers between games and delicious snacks, while you can relax during your cruise.

Squok Club

For the older ones we thought big: foosball, table tennis, board games and plenty of sports tournaments!

Teen Zone

An area dedicated to play time for families. Children and parents can play together in an area that is just for them.

Indoor Peppa Pig Area

A space designed for children: here they can have fun with an adult guide always present

Baby Squok Club

On Costa Smeralda and Costa Toscana a baby sitting service is available, at an additional charge.

Baby care

Everything you need for your beauty: hairdresser, facial masks to refresh and tone you, hair removal and manicure, to always be at your best.

Solemio Spa

From speedy bends to fast descents, you can test the courage of your friends or play with the whole family. Have fun on our slides, refreshed from the sun in the cool water.

La Laguna Aqua Park

If you are sporty, you can keep in shape in the gym equipped with the latest equipment and large windows that overlook the sea.

Keep fit even on vacation! Run along the jogging path and enjoy a breathtaking sea view.

Outdoor Jogging Track

On board there are multi-sport fields for football, volleyball, basketball or tennis.

Sport Area

The perfect place where to sunbathe, drink a cocktail and chat with your friends. There are so many solariums on board: by the pool, on the highest deck of the ship, or at the stern, to admire the wake of the ship while sailing ... Spread the towel on your sunbed and enjoy the sun!

Solarium

Transform your workout with outdoor fitness spaces overlooking the sea, featuring top-notch equipment and the added bonus of sunbathing.


Outdoor Gym

The Winter Garden offers a serene, all-day retreat where guests can ease into the morning with fresh breakfast options and premium coffee. As the day unfolds, it transitions into a peaceful lounge serving expertly crafted cocktails in a calm, garden-inspired setting. A perfect space for quiet reflection or leisurely conversation, bathed in natural light.



Winter Garden

Energize your body and mind with the onboard gym, featuring not just fitness equipment but also dedicated spaces for yoga and Pilates classes. Come and join for a rejuvenating session to elevate your wellbeing.


Yoga Area

The perfect place for a special pampering and for your beauty: hairdresser and barber, face mask treatments, hair removal and manicure ... all always with sea view.

Beauty Saloon

A solarium entirely dedicated to relaxation, on the highest deck of the ship: You can sunbathe, chat between cabanas and cushions or enjoy an aperitif at sunset.

Giardino Del Fiore Solarium

During the day and in the evening, you will be spoiled with choices for activities; from walks at sunset, to performances and theater shows where international artists will perform. Care for an aperitif? The Aperol Spritz Bar is waiting for you! And after dinner? A games room to bring out the kid in you, or an excellent beer in a real German pub. You will find an entire deck dedicated to children that even has a Castle and Pirate galleon. And for moments of pure relaxation there is a great Spa at your disposal where you can enjoy a massage and look at the sea, a real treat!

Experience the typical Venetian aperitif. Between tasty savoury delicacies and drinks prepared by experienced bartenders, relive the atmosphere of the most characteristic Italian taverns of the North East in a new, floating lagoon.

Dim Sum Chinese Dumplings/ Noodle Bar

A restaurant with breathtaking views, it is perfect to enjoy one of the hottest dishes of the moment: the Poke Bowl, inspired by traditional Hawaiian cuisine.

La Fiorentina Steak House welcomes you with the best Italian meats such as Florentine T-bone and Piedmontese fassona steak, but also Irish Black Angus and organic chicken.

La Fiorentina Steak House

Pizza&mozzarella with selected ingredients and traditional cooking recipes.

From Asian to South American ingredients and recipes, originally prepared with and Italian inspiration.

Sushino at Costa is our first sushi bistro on board and is designed to bring you an authentic Japanese experience that includes nigiri, maki, sashimi, and mochi. Aperitif, lunch, or dinner? Sit in or takeaway? The choice is yours! Our sushi chef has created some dishes for you to savour, prepared following ancient traditional recipes.

Japanise and oriental preparation of traditional food (meat, fish and vegetarian menu alternatives)

A trip on a Costa Cruise is also a journey to explore different spaces and tastes throughout the day. Recharge your batteries in the morning at one of our bars and enjoy the freshest produce at breakfast and the finest coffee blends. Relax and cool off with a perfect cocktail in our lounge. And as the sun greets the day, you can enjoy the atmosphere of serenity and wellbeing that is so typical of Costa.

Non-alcoholic beverage package	$9 - $25
Alcoholic beverage package	$25 - $59
Gratuities	$10 - $12
Wi-fi internet access	$3.13 - $14.71
Specialty dining	Varies
Spa packages & shore excursions	Varies

Cruisebound

12 Night Ocean Cruises Cruise

12 Night Ocean Cruises Cruise

Cruise highlights

Itinerary

Amenities

About the ship

Costa Diadema

Included in your fare

Add-ons

Flights & hotels

12 Night Ocean Cruises Cruise

12 Night Ocean Cruises Cruise

Cruise highlights

Itinerary

Amenities

About the ship

Costa Diadema

Included in your fare

Add-ons

Flights & hotels

Flights

Hotels

Departure info