4.9 Overall Satisfaction Rating based on over 10,000 Ratings from our customers.

4.9 Rating based on over
10,000 customer reviews.

Costa Cruises - Costa Diadema

Costa Cruises - Costa Diadema

Club Restaurant

Club Restaurant

Open Deck White Night Party

Open Deck White Night Party

Lido Diana Pool

Lido Diana Pool

Pepper The Robot

Pepper The Robot

Vinoteca Gran Duca Di Tuscana

Vinoteca Gran Duca Di Tuscana

Club Restaurant

Club Restaurant

Peppa Pig Kids Pool Area

Peppa Pig Kids Pool Area

Open Deck

Open Deck

Trieste, Italy

Trieste, Italy

The Costa Diadema will have you cruising Italian Style.

The Costa Diadema is perfect for families and couples alike, who thrill to films in the 4D cinema and go for virtual races in the amazing Grand Prix Simulator. Fun continues for the kids with the tasty Amarillo Ice Cream Parlour, and in the children’s’ pool, complete with a pirate ship and castle! Then there’s the exciting Star Lazer, an interactive laser zone with a twisting maze and shooting gallery.

Adults love the Costa Diadema’s four level-oasis, the Samsara Spa. This retreat features a sauna, Turkish bath, UVA-ray solarium, thalassotherapy pool, gym, and even cabins and suites in the wellness stateroom category. When it’s time to dine, cruisers enjoy seven restaurants, including Club Restaurant, Tavola Teppanyaki Restaurant, Samsara Restaurant, and the pizzeria. A variety of 11 bars and lounges include Dresden Green Pub, Gran Duca di Toscana Wine Bar.

You can choose from eight Jacuzzis and three swimming pools aboard the Costa Diadema, including one with a retractable roof! The Country Rock Club belts out everyone’s favorite honky tonk tunes, and the three-level theater hosts live performances.

Dining

Dining
Dining
A light and stylish Oriental setting serving Japanese cuisine at Teppanyaki restaurant. Costa will take you around the world on the water as well as at the table, with dinners that are always an experience to be enjoyed. On the Costa Diadema, for example, you can spend an evening at the wonderful Japanese Teppanyaki Restaurant, a genuine Oriental-style lounge-restaurant. You can order light sushi, sashimi, and lots of other Oriental specialties skillfully prepared by the chefs. It will feel as if you have actually been to Japan! Other dining options available on the ship now are Pizzeria, Club restaurant, and Samsara restaurant and Bars like Dresden Green Pub, Gran Duca di Toscana Wine Bar and the Amarillo Ice Cream Parlour.
Amarillo Ice Cream Shop and Chocolate Bar
Amarillo Ice Cream Shop and Chocolate Bar
A creamy homemade ice cream or some delicious chocolate praline? No one can resist the delicacies of the Amarillo Ice Cream Shop. An environment that is right out of a fairy tale, where you can enjoy a romantic indulgence or a delicious snack with your children. For the Amarillo Ice Cream Shop, Costa chose the best: the ice cream makers use only Agrimontana-based flavorings to prepare a delicious, creamy ice cream on board, preserving all the nutritional properties.
Club Restaurant
Club Restaurant
Club Restaurant.
Corona Blu Restaurant
Corona Blu Restaurant
Dining at Corona Blu Restaurant.
Mozzarella Goccialatte
Mozzarella Goccialatte
On many Costa ships, there are mini dairies with the best curd, craftsmanship, and dairy artisans. You can enjoy mozzarellas, burrata, buffalo, schmooze, and many more on your pizza or in the delicious dishes on the Goccialatte menu, with all the courses created to savor the freshness of the product, straight from the dairy
Pizzeria Pummid'oro
Pizzeria Pummid'oro
A 100% made in Italy pizza, with high - quality ingredients and the genuineness of dough made with leavening prepared with mother yeast. On board, a Costa ship is one place more than any other that makes you feel like you are in Italy. Pizzeria Pummid’oro, where you can eat the most famous Italian dish prepared strictly according to the original recipe. Spend a casual evening with friends or your family.
Adularia Restaurant
Adularia Restaurant
Dining at Adularia Restaurant.
Teppanyaki Restaurant
Teppanyaki Restaurant
A different type of experience, spend a night in a soft environment in an Oriental style, where you can observe the craftsmanship of Japanese chefs. You can relax in the Japanese Teppanyaki restaurant to experience a different evening. The lounge area is decorated in an Oriental style, the atmosphere and the dishes are extremely elegant and refined. You can order light sushi, sashimi and many other oriental specialties prepared by the chefs.
Pizzeria Pummid Oro
Pizzeria Pummid Oro
A 100% made in Italy pizza, with high-quality ingredients and the genuineness of dough made with leavening prepared with mother yeast.
Fiorentino Restaurant
Fiorentino Restaurant
Dining at Fiorentino Restaurant.
Buffet Restaurant
Buffet Restaurant
Buffet restaurant open for breakfast and lunch.
Elite Suite And Club Restaurant
Elite Suite And Club Restaurant
Gourmet Menu featuring elegant signature dishes from the Executive Chef in an exclusive environment and with great service.
Sushino At Costa
Sushino At Costa
Sushino at Costa is first sushi bistro on board and is designed to bring you an authentic Japanese experience that includes nigiri, maki, sashimi, and mochi.
The Salty_Beach Street Food
The Salty_Beach Street Food
The perfect place to enjoy a burger, filled with all your favorite flavors, and delicious panini with fillings to suit all tastes.
Amarillo Ice Cream Shop and Chocolate Bar
Amarillo Ice Cream Shop and Chocolate Bar
A creamy homemade ice cream or some delicious chocolate praline? No one can resist the delicacies of the Amarillo Ice Cream Shop. An environment that is right out of a fairy tale, where you can enjoy a romantic indulgence or a delicious snack with your children. For the Amarillo Ice Cream Shop, Costa chose the best: the ice cream makers use only Agrimontana-based flavorings to prepare a delicious, creamy ice cream on board, preserving all the nutritional properties.
Club Restaurant
Club Restaurant
Club Restaurant.
Corona Blu Restaurant
Corona Blu Restaurant
Dining at Corona Blu Restaurant.
Mozzarella Goccialatte
Mozzarella Goccialatte
On many Costa ships, there are mini dairies with the best curd, craftsmanship, and dairy artisans. You can enjoy mozzarellas, burrata, buffalo, schmooze, and many more on your pizza or in the delicious dishes on the Goccialatte menu, with all the courses created to savor the freshness of the product, straight from the dairy
Pizzeria Pummid'oro
Pizzeria Pummid'oro
A 100% made in Italy pizza, with high - quality ingredients and the genuineness of dough made with leavening prepared with mother yeast. On board, a Costa ship is one place more than any other that makes you feel like you are in Italy. Pizzeria Pummid’oro, where you can eat the most famous Italian dish prepared strictly according to the original recipe. Spend a casual evening with friends or your family.
Adularia Restaurant
Adularia Restaurant
Dining at Adularia Restaurant.
Teppanyaki Restaurant
Teppanyaki Restaurant
A different type of experience, spend a night in a soft environment in an Oriental style, where you can observe the craftsmanship of Japanese chefs. You can relax in the Japanese Teppanyaki restaurant to experience a different evening. The lounge area is decorated in an Oriental style, the atmosphere and the dishes are extremely elegant and refined. You can order light sushi, sashimi and many other oriental specialties prepared by the chefs.
Pizzeria Pummid Oro
Pizzeria Pummid Oro
A 100% made in Italy pizza, with high-quality ingredients and the genuineness of dough made with leavening prepared with mother yeast.
Fiorentino Restaurant
Fiorentino Restaurant
Dining at Fiorentino Restaurant.
Buffet Restaurant
Buffet Restaurant
Buffet restaurant open for breakfast and lunch.
Elite Suite And Club Restaurant
Elite Suite And Club Restaurant
Gourmet Menu featuring elegant signature dishes from the Executive Chef in an exclusive environment and with great service.
Sushino At Costa
Sushino At Costa
Sushino at Costa is first sushi bistro on board and is designed to bring you an authentic Japanese experience that includes nigiri, maki, sashimi, and mochi.
The Salty_Beach Street Food
The Salty_Beach Street Food
The perfect place to enjoy a burger, filled with all your favorite flavors, and delicious panini with fillings to suit all tastes.

Bars & Lounges

Bars & Lounges
Bars & Lounges
An Aperol Spritz is an invitation to smile the whole day in an atmosphere of serenity, an expression of joy on your Costa cruise. When is the right time for an Aperol Spritz? At sunset when you've enjoyed your excursions, relax at sea, wearing your special attire for an evening with friends, sitting at the Aperol Spritz bar and enjoying the sun slowly set. Or before lunch when you're thirsty from participating in the activities with the entertainment team, and you would like something to cool you down and give you an appetite.
Brewery
Brewery
"A toast with a special beer to make your trip with the Costa Cruise even more exciting! If you are looking for an authentic Italian taste experience on board, discover one of the most interesting new arrivals: the Birrificio Angelo Poretti Pub. For over 140 years, the brewers at the Birrificio Angelo Poretti have been selecting and combining different varieties of hops to create unique and surprising beers, ideal for an evening with friends. All in an Art Nouveau environment reminiscent of the brewing room of a real craft brewery, but with a unique panorama: the sea!"
Bar Bollicine
Bar Bollicine
Bar Bollicine.
Gran Ducca Di Toscana Wine Bar
Gran Ducca Di Toscana Wine Bar
Gran Ducca Di Toscana Wine Bar.
Piano Bar
Piano Bar
Piano Bar.
Stella Del Sud Bar
Stella Del Sud Bar
Stella Del Sud Bar.
Teodara Bar
Teodara Bar
Teodara Bar.
Dresden Garden Pub
Dresden Garden Pub
Dresden Garden Pub.
Ferrari Wine Bar
Ferrari Wine Bar
Ferrari Wine Bar.
Eliodoro Atrium
Eliodoro Atrium
One of the ideal places to meet on board for a coffee or a cocktail with friends.
Eliodoro Atrium Bar
Eliodoro Atrium Bar
You can find Italian taste on Costa ships every day at every appointment, in bars as well as on restaurant tables, thanks to selected products and brands.
Heineken Star Club And Bistro
Heineken Star Club And Bistro
The first floating Heineken Star Club & Bistro in the world, a "contemporary pub" where the gastronomic offer meets the best of Heineken entertainment.
La Piazza Bar
La Piazza Bar
You can find Italian taste on Costa ships every day at every appointment, in bars as well as on restaurant tables, thanks to selected products and brands.
Orlov Grand Bar
Orlov Grand Bar
You can find Italian taste on Costa ships every day at every appointment, in bars as well as on restaurant tables, thanks to selected products and brands.
Brewery
Brewery
"A toast with a special beer to make your trip with the Costa Cruise even more exciting! If you are looking for an authentic Italian taste experience on board, discover one of the most interesting new arrivals: the Birrificio Angelo Poretti Pub. For over 140 years, the brewers at the Birrificio Angelo Poretti have been selecting and combining different varieties of hops to create unique and surprising beers, ideal for an evening with friends. All in an Art Nouveau environment reminiscent of the brewing room of a real craft brewery, but with a unique panorama: the sea!"
Bar Bollicine
Bar Bollicine
Bar Bollicine.
Gran Ducca Di Toscana Wine Bar
Gran Ducca Di Toscana Wine Bar
Gran Ducca Di Toscana Wine Bar.
Piano Bar
Piano Bar
Piano Bar.
Stella Del Sud Bar
Stella Del Sud Bar
Stella Del Sud Bar.
Teodara Bar
Teodara Bar
Teodara Bar.
Dresden Garden Pub
Dresden Garden Pub
Dresden Garden Pub.
Ferrari Wine Bar
Ferrari Wine Bar
Ferrari Wine Bar.
Eliodoro Atrium
Eliodoro Atrium
One of the ideal places to meet on board for a coffee or a cocktail with friends.
Eliodoro Atrium Bar
Eliodoro Atrium Bar
You can find Italian taste on Costa ships every day at every appointment, in bars as well as on restaurant tables, thanks to selected products and brands.
Heineken Star Club And Bistro
Heineken Star Club And Bistro
The first floating Heineken Star Club & Bistro in the world, a "contemporary pub" where the gastronomic offer meets the best of Heineken entertainment.
La Piazza Bar
La Piazza Bar
You can find Italian taste on Costa ships every day at every appointment, in bars as well as on restaurant tables, thanks to selected products and brands.
Orlov Grand Bar
Orlov Grand Bar
You can find Italian taste on Costa ships every day at every appointment, in bars as well as on restaurant tables, thanks to selected products and brands.

Entertainment & Nightlife

Entertainment & Nightlife
Entertainment & Nightlife
Every evening at the theater spectacular shows await you: musicals, comedy shows, acrobats, games and much more … there is something for everyone!
Emerald Theatre
Emerald Theatre
At the theater, for example, where the artists make you laugh, dream, emote, with engaging entertainment aimed at even the smallest to enjoy, and during the most important moments of the cruise.
Balcony Diana
Balcony Diana
Open air space where you can enjoy a fantastic view of the sea and entertain yourself with team games and table soccer.
Disco
Disco
With the bass turned up and the silence of the sea outside the windows at night, only on a Costa ship. For those who love to dance all night, the nightclub is the last rendezvous of the day. This is where the music is addictive, and dance music lovers can enjoy it and dance on the sea until dawn. Nothing is more fun or romantic. Make new friends to the wild rhythm of the night. Fun is turned all the way up and makes you feel a part of a great night out and then, while everyone is asleep, you can watch the sunrise over the sea.
Card Room
Card Room
Images are for illustration purposes only. Layout and furniture may vary.
Theatre show
Theatre show
The magic of Broadway sparkles at sea. Every evening there is an exciting and engaging show for the adults and children. Costa offers a different show every night. All the performances on the bill are great productions perfect in every detail, from the costumes to the scenery. The casts are composed of top-level national and international professionals who know how to make you laugh, dream and emote. All shows are enjoyed by an international audience.
Emerald Theatre
Emerald Theatre
At the theater, for example, where the artists make you laugh, dream, emote, with engaging entertainment aimed at even the smallest to enjoy, and during the most important moments of the cruise.
Balcony Diana
Balcony Diana
Open air space where you can enjoy a fantastic view of the sea and entertain yourself with team games and table soccer.
Disco
Disco
With the bass turned up and the silence of the sea outside the windows at night, only on a Costa ship. For those who love to dance all night, the nightclub is the last rendezvous of the day. This is where the music is addictive, and dance music lovers can enjoy it and dance on the sea until dawn. Nothing is more fun or romantic. Make new friends to the wild rhythm of the night. Fun is turned all the way up and makes you feel a part of a great night out and then, while everyone is asleep, you can watch the sunrise over the sea.
Card Room
Card Room
Images are for illustration purposes only. Layout and furniture may vary.
Theatre show
Theatre show
The magic of Broadway sparkles at sea. Every evening there is an exciting and engaging show for the adults and children. Costa offers a different show every night. All the performances on the bill are great productions perfect in every detail, from the costumes to the scenery. The casts are composed of top-level national and international professionals who know how to make you laugh, dream and emote. All shows are enjoyed by an international audience.

Casino

Casino
Casino
Visit the casino if you prefer more traditional, but no less exciting bets! Rouge or noir, on which side does your fortune lie? The Costa ship Casino is a fun place for adults, where they can spend some time after dinner and make a bet to test their luck. Professional croupiers are waiting for you at the roulette or blackjack tables, but you can also try your luck at the slots. There are all kinds of traditional and electronic games. Everyone is involved in a Bingo game, each person must purchase a card, and there is an interesting prize every time.

Outdoor Activities

Outdoor Activities
Outdoor Activities
The deck's pools are the place for entertainment and a meeting place to make new friends and enjoy a drink. The pools onboard a Costa ship are at the heart of the fun. This is where you will always be entertained with games and dancing during the day and in the evening with the most popular events, like the white party, where you can dance to the rhythm of the music. The pools are also where you can enjoy a seaside-style lunch and where your children will want to spend hours.
Pool Deck
Pool Deck
Enjoy at the Pool deck.
Aquapark
Aquapark
Aquapark.
Multi Sports Field
Multi Sports Field
On board there are multisport fields where you can organize any team challenge: from five-a-side to volleyball, from basketball to tennis.
Pool Deck
Pool Deck
Enjoy at the Pool deck.
Aquapark
Aquapark
Aquapark.
Multi Sports Field
Multi Sports Field
On board there are multisport fields where you can organize any team challenge: from five-a-side to volleyball, from basketball to tennis.

Kids & Teens

Kids & Teens
Kids & Teens
The Squok Club is a Mini Club for children over 3 years. It’s not school and it’s not babysitting, it’s entertainment! Your kids won't have a dull moment during a Costa cruise. They'll never have a moment's pause between parties, games in the pool, tasty snacks, dancing together, and mini-tournaments. The Costa entertainment team knows how to hold their interest with many stimulating activities. Onboard, the Squok Club is divided into age groups: the Mini, for 3 to 6 years, with special Peppa Pig-themed activities, and the Maxi Club, from ages 7 to 11.
Arcade Games Room
Arcade Games Room
The area where kids ages 12-17 can entertain themselves together through a variety of games and video games.
Indoor Peppa Pig Area
Indoor Peppa Pig Area
An area completely dedicated to playtime for families with children from 6 months to 3 years old. The little ones will have the opportunity to have fun with their parents in a room entirely dedicated to them.
Arcade Games Room
Arcade Games Room
The area where kids ages 12-17 can entertain themselves together through a variety of games and video games.
Indoor Peppa Pig Area
Indoor Peppa Pig Area
An area completely dedicated to playtime for families with children from 6 months to 3 years old. The little ones will have the opportunity to have fun with their parents in a room entirely dedicated to them.

Wellness

Wellness
Wellness
At the Samsara Spa, guests enjoy a wellness experience of complete bliss and rejuvenation. The spa features treatments from around the world that reawaken the senses and ignite a deep mind-body connection. The spa is a paradise where time stands still; the ideal place to unwind and relax after an exciting day exploring a new destination. Wellness & Sport area also includes areas like Gym, Thalassotherapy pool, treatment rooms, sauna, Turkish bath, UVA-ray solarium, cabins and suites, 8 jacuzzis, 3 swimming pools, including one with a retractable roof, Multipurpose sports pitch and Outdoor jogging track (220 m).
Gym
Gym
If you are sporty, you can keep in shape in the gym equipped with the latest equipment and large windows that overlook the sea. Run on the treadmill or follow your regular routine admiring the endless expanse of the sea in front of you, giving a feeling of absolute well - being and pushing you to improve your performance. The Costa gyms are equipped with the most modern equipment and are an invitation to stay fit, even for the laziest. You can also have a personal trainer or attend group spinning classes and relaxing yoga and Pilates classes.
Jogging track
Jogging track
Follow the jogging route as the ship moves in the direction of the next destination is just a great feeling. Take the route along the ship from bow to stern when running, passing from port to starboard, in sync with your sense of wellbeing. Breathe in the sea air as you monitor your workout. This is one of the best feelings for an athlete, in addition to physical exercise, it will seem as though you are running along the edge of the horizon.
Multi Sports Field
Multi Sports Field
On board there are multisport fields where you can organize any team challenge: from five-a-side to volleyball, from basketball to tennis.
Venus Beauty
Venus Beauty
Venus Beauty.
Samsara Spa
Samsara Spa
The Samsara spa is a real spa area, entirely dedicated to your wellbeing, where you can have some "me time." The Samsara spa is only available on certain ships and is an oasis of wellbeing. It covers up to 19,685 square feet and is devoted to regaining physical energy and mental balance in a unique atmosphere in the spirit of the ancient Roman baths. Let yourself go with the gentle waters of the thermal and thalassotherapy pools, steam baths and Finnish saunas, and experience the treatments inspired by ancient Ayurvedic teachings.
Beauty Salon
Beauty Salon
Everything you need for your beauty: hairdresser, facial masks to refresh and tone you, hair removal and manicure, to always be at your best.
Solarium
Solarium
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!
Winter Garden
Winter Garden
Recharge your batteries in the morning at one of bars and enjoy the freshest produce at breakfast and the finest coffee blends. Relax and cool off with a perfect cocktail inlounge.
Gym
Gym
If you are sporty, you can keep in shape in the gym equipped with the latest equipment and large windows that overlook the sea. Run on the treadmill or follow your regular routine admiring the endless expanse of the sea in front of you, giving a feeling of absolute well - being and pushing you to improve your performance. The Costa gyms are equipped with the most modern equipment and are an invitation to stay fit, even for the laziest. You can also have a personal trainer or attend group spinning classes and relaxing yoga and Pilates classes.
Jogging track
Jogging track
Follow the jogging route as the ship moves in the direction of the next destination is just a great feeling. Take the route along the ship from bow to stern when running, passing from port to starboard, in sync with your sense of wellbeing. Breathe in the sea air as you monitor your workout. This is one of the best feelings for an athlete, in addition to physical exercise, it will seem as though you are running along the edge of the horizon.
Multi Sports Field
Multi Sports Field
On board there are multisport fields where you can organize any team challenge: from five-a-side to volleyball, from basketball to tennis.
Venus Beauty
Venus Beauty
Venus Beauty.
Samsara Spa
Samsara Spa
The Samsara spa is a real spa area, entirely dedicated to your wellbeing, where you can have some "me time." The Samsara spa is only available on certain ships and is an oasis of wellbeing. It covers up to 19,685 square feet and is devoted to regaining physical energy and mental balance in a unique atmosphere in the spirit of the ancient Roman baths. Let yourself go with the gentle waters of the thermal and thalassotherapy pools, steam baths and Finnish saunas, and experience the treatments inspired by ancient Ayurvedic teachings.
Beauty Salon
Beauty Salon
Everything you need for your beauty: hairdresser, facial masks to refresh and tone you, hair removal and manicure, to always be at your best.
Solarium
Solarium
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!
Winter Garden
Winter Garden
Recharge your batteries in the morning at one of bars and enjoy the freshest produce at breakfast and the finest coffee blends. Relax and cool off with a perfect cocktail inlounge.

Shopping

Shopping
Shopping
You can purchase beautiful gifts on board, and everything that you may need for your cruise.
Costa Shop
Costa Shop
Choose from a thousand opportunities to make or give yourself a gift.
Costa Shop
Costa Shop
Choose from a thousand opportunities to make or give yourself a gift.
Destinations Dec 24 Jan 25 Feb 25 Mar 25 Apr 25 May 25 Jun 25 Jul 25 Aug 25 Sep 25 Oct 25 Nov 25
Europe           $1,040 $1,042 $1,122 $1,122 $1,034   $1,582
Mediterranean                   $388 $1,169  
Northern Europe           $299            
South America $912 $887 $867 $837 $1,711             $1,582
Southern Europe         $1,711              
Transatlantic         $1,452              
Western Europe           $1,011 $1,014 $1,094 $1,094 $1,091