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
Sunday, 10/26/25
About Civitavecchia (Rome)
For centuries the ancient port of Civitavecchia has served as the gateway to magnificent Rome. Its a city so immersed in history, you'll find yourself drifiting back to a distant time. Home of Michelangelos Sistine Chapel, Rome flourishes today as she did in her Golden Age. Experience Rome, a city of colossal ruins, majestic cathedrals and a golden past, worthy of many return visits.
Civitavecchia (Rome) Attractions
Experience the history of Rome as you wander around the Colosseum and Roman Forum.
Civitavecchia (Rome) Activities
Explore the amazing history and culture of Rome. Stop at the Ara Pacis, or Altar of Peace, a Roman sacrificial altar enclosed in a screen of Parian marble.
Visit the Vatican Museum, where you can walk through the many rooms that house the largest art collection in the world.
Travel through magnificent St. Peter's Basilica, the largest church in the world.
View the Sistine Chapel, a masterpiece of Renaissance art, the ceiling of which was painted by Michelangelo.
Toss a coin in the famous Trevi Fountain - a way to ensure that you'll always return to Rome.
Scenically located in the shadows of the volcanic Mount Etna, Catania is surrounded by a region rich in citrus trees, eucalyptus forests and olive groves. Tour Via dei Crociferi, where the magnificent Roman Theatre has been reconstructed.
Catania Activities
Located at the northern end of Via Etnea, the Bellini Gardens offer fine views and a tranquil enclave away from the bustle of Catania’s busy main street.
In the Piazza San Francesco stands the house where Catania’s greatest native son, the composer Vincenzo Bellini, was born in 1801. It is now the Bellini Museum, containing memorabilia of the man and his work.
The Duomo church is a fine example of Vaccarini’s work. The composer Bellini is buried inside the cathedral and a sumptuous chapel is dedicated to Sant’Agata, Catania’s patron saint. Outside in the square stands the obelisk-balancing elephant carved out of lava stone, representing the emblem of the city.
Israel’s third largest city and one of its prettiest, Haifa has a lot to offer visitors. It has the country’s largest port, a particularly active beach and is the home of the World Center of the Bahai Faith. Surrounded by abundant nature sites, the city contains an interesting mix of modern neighborhoods and older districts; churches and mosques; mountain and sea.
Haifa Attractions
Central Region
Northern Region
Discover the North
Sea of Galilee (Lake Kineret)
The Golan Heights
Ein-hod
Haifa
Acre (Akko)
Rosh-Pina
Nazareth
Safed (Tsefat)
Zikhron Ya’akov
Cana
Galilee , Israel
Megiddo, Israel
Southern Region
Haifa
Haifa
Haifa
Israel’s third largest city and one of its prettiest, Haifa is a multi-faceted city with several unique characteristics making it an attractive place to visit.
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Israel’s third largest city and one of its prettiest, Haifa has a lot to offer visitors. It has the country’s largest port, a particularly active beach and is the home of the World Center of the Bahai Faith. Surrounded by abundant nature sites, the city contains an interesting mix of modern neighborhoods and older districts; churches and mosques; mountain and sea.
Haifa is a multi-faceted city with several unique characteristics making it an attractive place to visit. Its proximity to the sea and its active port contribute to its prominence. The bustling port area draws merchants, shoppers and tourists. The beautiful beaches are popular for sports and recreation, and are filled with people during summer weekends. In addition, because of their excellent surfing conditions, the beaches serve many of Israel’s top sailing enthusiasts and host sailing competitions and other sporting events.
Haifa Activities
Haifa also boasts many institutions devoted to culture, art and science which offer an array of festivals and activities. Several types of museums are located in Haifa, including: the Dagon Grain Silo; the National Maritime Museum; the National Museum of Science and Technology; the Haifa Museum of Art; the Clandestine Immigration and Naval Museum; the Railway Museum; the Tikotin Museum of Japanese Art; the Reuben and Edith Hecht Museum; and the Israel Oil Industry Museum.
The annual Haifa Film Festival features high quality local and international films, drawing those in the profession (directors, screenwriters, actors, etc.) as well as thousands of visitors who fill the streets and the auditoriums.
Haifa is also home to the Technion, Israel’s first institution of higher education, and to the University of Haifa, attended by students from Israel and overseas. The university is situated near the Carmel Nature Reserve, known for its year-round views of greenery and its intoxicating beauty. The Khai-Bar Wildlife Preserve was established within the Carmel Nature Reserve to reintroduce nearly extinct animals to nature.
Throughout the Carmel are hundreds of hiking, automobile and bicycle paths, and amazing charming spots waiting to be discovered
Cyprus is the third largest island in the Mediterranean. The southern central coast is home to the port city of Limassol. The city is a convenient starting point from which to explore the island's ancient ruins and lush scenic highlights, including miles of olive, orange and lemon groves, cherry orchards and vineyards that cling to the island's craggy slopes. Wooded mountains create a stunning backdrop to the stretches of picture-perfect beaches rimming the coastline.
Limassol Attractions
See the Kolossi Castle built by Knights of St John where Richard the Lionheart is said to have married Berengaria. Or marvel at the colorful mosaics in the House of Dionysus at Paphos. Other attractions in Limassol itself include the old port, public gardens, a small zoo, an archaeological museum and a folkloric museum.
Founded by its namesake, Alexander the Great in 332 B.C., Alexandria has been home to many historical figures, including Cleopatra, Mark Antony, Julius Caesar and Euclid. Today the city has a distinctly Mediterranean feel, perhaps a remainder of its ancient Roman connection. The charming seaside promenade, colonial buildings and wide avenues make it an exotic, romantic destination.
Alexandria Attractions
As with most of Egypt, the historical landmarks here are a must-see. Take time to explore the Roman Amphitheatre, Pompei's Pillar and the Catacombs of Kom ash-Shuqqafa, dating back to the second century A.D. Then cool off on the beaches and enjoy some of the natural beauty that has drawn people here over centuries.
In 1530, Charles V of Spain granted the island of Malta to the Knights of the Order of St. John. Many impressive 16th-century limestone buildings and fortifications from the Knights have endured, helping make the city of Valetta simply magnificent to experience today.
Valletta Attractions
Explore the city's main square and pass many of its ancient buildings. Then head to St. John's Cathedral, founded by the Knights of the Order of St. John during the 16th century. Today the cathedral is the final resting place for many of the knights - their headstones line the cathedral floor.
Valletta Activities
Visit the Armory, St, John's Co-Cathedral, and the 18th century Manoel Theater for some more spectacular sights.
Visit the National Museum of Archaeology. It houses collections of pottery, sculpture, statuettes, stone implements and personal ornaments recovered from the Maltese megalithic temples and other prehistoric sites.
Explore the Palace of the Grand Masters, completed in 1574. It contains portraits of the Grand Masters of the Order and European monarchs, interesting furniture and other works of art.
Stroll through the Upper Barrakka Gardens and enjoy the magnificent panoramic view of Grand Harbour.
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.
A part of the Italian Riviera near Genoa, Savona is a city rich in history and enterprise, largely centered around its port. A tour of the city may include a visit to "Columbus's House," a former residence of Christopher Columbus nestled in the Savona hills. Or one may visit Savona's most important monument, the Priamar, a recently-restored castle stronghold located near the port.
Savona Activities
Near the Rocca di San Giorgio, on the "Promontorio del Priamar", stands the fortress named Priamar, built after fall of Savona in Genoese hands (1528) by the Genoese in 1542, on the area of the old cathedral and old city and later used as a prison and military prison (italian patriot Giuseppe Mazzini was imprisoned here).
Near the Cathedral (built 1589 – 1604) is the Cappella Sistina, containing the tomb erected by the Della Rovere Pope Sixtus IV to honor his parents. The Cathedral has one of the most notworthy wooden choirs of XVI cent. European churches.
Facing the cathedral is the unfinished Palazzo Della Rovere, built by Cardinal Giulio della Rovere (Pope Julius II) from the plans of Giuliano da Sangallo as a university.
The old towers, survived after 1528 ruin (war with Genoa): the Campanassa (Commune tower where freedom of Savona was signed in 1191), towers Corsi and Riario, "Ghibelline Tower", and Torre della Quarda (also known as "a Torretta"), in Leone Pancaldo square.
The Sanctuary of Nostra Signora della Misericordia.
In neighbourhood of Savona remains a house documented as property of Domenico Colombo, father of Christopher Columbus, where they lived for many years (Christopher Columbus lived in Savona for much of his youth).
For centuries the ancient port of Civitavecchia has served as the gateway to magnificent Rome. Its a city so immersed in history, you'll find yourself drifiting back to a distant time. Home of Michelangelos Sistine Chapel, Rome flourishes today as she did in her Golden Age. Experience Rome, a city of colossal ruins, majestic cathedrals and a golden past, worthy of many return visits.
Civitavecchia (Rome) Attractions
Experience the history of Rome as you wander around the Colosseum and Roman Forum.
Civitavecchia (Rome) Activities
Explore the amazing history and culture of Rome. Stop at the Ara Pacis, or Altar of Peace, a Roman sacrificial altar enclosed in a screen of Parian marble.
Visit the Vatican Museum, where you can walk through the many rooms that house the largest art collection in the world.
Travel through magnificent St. Peter's Basilica, the largest church in the world.
View the Sistine Chapel, a masterpiece of Renaissance art, the ceiling of which was painted by Michelangelo.
Toss a coin in the famous Trevi Fountain - a way to ensure that you'll always return to Rome.
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:
Civitavecchia (Rome)
Sailing Date:
Sunday, 10/26/25
Return Date:
Sunday, 11/09/25
Nights:
14
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.