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Costa Diadema Itineraries
About Costa Diadema Cruise Ship
You can experience Italian style and contemporary cruise experience at Costa Diadema. The ship known as the "Queen of the Mediterranean" provides an ideal experience for guests who enjoy lively shows and various dining options and beautiful ocean views. The relaxed party atmosphere of Costa Diadema creates a festive experience for guests who visit the ship with various companion groups.
Explore stunning pictures and videos that bring the Costa Diadema experience to life.
Specifications
- Size: Super Large
- Style: Modern Italian
- Type: Dream-Class
- Year of launch: 2014
- Year of last refit: 2023
- Gross tonnage: 132,500gt
- Length: 306.0 m
- Width: 37.2 m
- Speed: 22.5 kts
- Decks: 19
- Language: Multi Language
- Currency: Euro
- No. of passengers: 4947
- No. of crew: 1253
- No. of cabins: 1862
- Wheelchair access: 31
Costa Diadema Bookings
202 Itineraries Found
- Filters:
6 Nights | Western Mediterranean | Costa Cruises | Costa Diadema
6 Nights | Western Mediterranean | Costa Cruises | Costa Diadema
Lowest Rate*
- Interior $450.00*
- Oceanview $580.00*
- Balcony $680.00*
3 Nights | Southern Europe | Costa Cruises | Costa Diadema
3 Nights | Southern Europe | Costa Cruises | Costa Diadema
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Costa Diadema |
|
| Palma De Mallorca Barcelona | |
| Palma De Mallorca | Marseille | Savona | Barcelona ** | |
Cruise Deals from Palma De Mallorca to Barcelona |
Lowest Rate*
- Interior $462.00*
3 Nights | Southern Europe | Costa Cruises | Costa Diadema
3 Nights | Southern Europe | Costa Cruises | Costa Diadema
|
Costa Diadema |
|
| Barcelona ↻ | |
| Barcelona | Marseille | Savona | Barcelona ** | |
Lowest Rate*
- Interior $471.00*
- Oceanview $571.00*
- Balcony $651.00*
3 Nights | South America | Costa Cruises | Costa Diadema
3 Nights | South America | Costa Cruises | Costa Diadema
|
Costa Diadema |
|
| Itajai ↻ | |
| Itajai | Santos | Itajai ** | |
Lowest Rate*
- Interior $503.00*
- Oceanview $563.00*
- Balcony $633.00*
- Suite $693.00*
3 Nights | Southern Europe | Costa Cruises | Costa Diadema
3 Nights | Southern Europe | Costa Cruises | Costa Diadema
|
Costa Diadema |
|
| Barcelona ↻ | |
| Barcelona | Marseille | Savona | Barcelona ** | |
Lowest Rate*
- Interior $511.00*
- Oceanview $691.00*
- Balcony $1,031.00*
- Suite $1,576.00*
Costa Diadema Cruise Ship Facilities
| → | Family Friendly |
| → | Solo Staterooms |
| → | Smoking zones |
Costa Diadema Cruise Ship gallery
The Costa Diadema combines Italian elegance with its energetic atmosphere to provide a cruise experience which includes open walkways and vast ocean vistas and a festive ambiance that resembles a nautical party.
Costa Diadema Ship Gratuities
The Costa Diadema cruise system uses daily service charges as gratuity system which enables passengers to pay for their onboard staff members who improve their cruise experience.
- Daily Service Charge (Hotel Service Fee): The onboard system charges passengers a daily fee that goes to their account as automatic service charge. The service charge for adults aged 15 and older costs approximately €11* per adult who stays each night while children between 4 and 14 years old pay €5.50* for the same period.
- Currency & Itinerary Differences: Your cruise area determines the amount of gratuity that you must pay. The Mediterranean region uses Euros (€) as its standard currency while South American cruises use US Dollars ($) for their fee system.
- Beverage Service Charge: All beverages purchased at bars or restaurants or through the minibar come with automatic 15%* service charge.
- Prepayment Option: Guests can choose to prepay gratuities before boarding which helps them manage their onboard expenses.
- Extra Tipping: You can give additional tips, but cash tips become optional only after you receive special service.
Costa Diadema Ship Features
- The four-level Samsara Spa features a Turkish bath and a UVA-ray solarium and a thalassotherapy pool and a gym which provides visitors with panoramic ocean vistas.
- The three-deck Emerald Theatre presents world-class shows together with a casino and a 4D cinema and a Star Laser maze and a thrilling Grand Prix simulator.
- The restaurant offers more than 10 dining options which include Teppanyaki and Sushino at Costa and Pummid'Oro Pizzeria and La Fiorentina Steak House.
- The Squok Club provides supervised playtime activities for children aged 3 to 11 who can enjoy themed areas which include the Peppa Pig Area and La Laguna Aqua Park.
- The 500-meter outdoor jogging track and multi-sports court provide active space for visitors who can then relax at themed bars such as Birreria Dresden Green and Vinoteca Gran Duca di Toscana.
- The Costa Diadema contains 1060 outside cabins which include numerous balconies and 661 inside cabins and it contains numerous spacious suites and a scenic 500-meter promenade.
Frequently Asked Questions
With a gross tonnage of 132,500 GT, Costa Diadema is approximately 306 meters in length and 37.2 meters in beam.
Launched in May 2014, it is 11 years old as of 2026.
Officially, it holds 4,947 passengers, with a crew of 1,253.
Yes, Wi-Fi is available throughout the ship (for a fee). The Costa App enhances connectivity with schedules, bookings, and navigation.
Costa Diadema is worth it for a good value, budget-friendly options, especially for those seeking an authentic atmosphere and Mediterranean itineraries.
You must experience three activities on the Costa Diadema which include walking the 500-meter outdoor promenade deck and visiting the 4-deck Samsara Spa and watching the nightly shows at Emerald Theater. The main attractions include live performances at Country Rock Club and Grand Prix racing simulator and dining at Tavola Teppanyaki.
There are 14 decks, with 14 passenger-accessible decks.
Peppa Pig is a prominent character with a dedicated indoor play care for children.
For a Costa Diadema cruise, travelers should pack clothing that can serve both their casual daytime needs and their themed nighttime events which include all-white outfits for White Night. Travelers need to bring their passports and credit cards along with sunscreen and chargers but they should keep their home appliances such as kettles and irons at home.
Yes, a valid passport is required for international itineraries.
The reviews are highly polarized generally hovering around a value or average experience.
Concierge services are offered in Samsara Suites and Grand Suites, including priority embarkation, dedicated butler service, and access to the Samsara Spa.
The four pools, including Lido Pompei with a retractable roof, use treated seawater, with five whirlpools heated for comfort.
Costa Diadema uses high-quality foam mattresses in staterooms, with premium bedding in Samsara and Grand Suites.
The ship uses synthetic hypoallergenic pillows, with luxury feather options in premium suites.
The Costa Diadema cruise ship provides numerous entertainment options through its 4-level Samsara Spa three pools, which includes a pool with a retractable roof, and La Laguna Aqua Park and three-level theater, which hosts nightly performances. The guests at the event can experience a Grand Prix simulator and a laser maze and a casino and live music at the Country Rock Club and various dining options, which include Tavola Teppanyaki.
The Costa Diadema provides complete family entertainment through its Squok Club which operates from 3 to 11 years old and offers treasure hunts and karaoke and themed parties. The family attractions of the park include a water park based on Peppa Pig and a 4D cinema and a Grand Prix simulator and nightly theater performances which showcase acrobatics and musicals and comedy shows.
Before boarding the Costa Diadema, be aware that this Italian-style ship can accommodate 5000 passengers while it provides exceptional dining and multiple entertainment choices which feature a theater and three pools and eight hot tubs and a dynamic atmosphere. The experience will include international visitors who will create crowded areas and the possibility of waiting times during peak hours and an online check-in system.
Costa Diadema Cruise ship operates in Western Mediterranean during summer, and during winter months, ship frequently repositions to South America.
No, hard alcohol is not permitted for onboard consumption. Limited wine or champagne in sealed containers may be allowed.
Yes, boarding typically begins around 11:00 AM or 11:30 AM, as indicated on your cruise ticket.
According to official Costa Cruises policies, it is prohibited to bring food and drinks (including alcohol and soft drinks) on board, whether in hand or checked luggage.
Yes, smoking is allowed in designated areas.
Yes, a limited amount of water in cans or cartons is permitted, but plastic bottles are not allowed.
Self-assisted disembarkation typically begins around 7:30–8:00 AM, depending on the port.
Yes, people do get sick on the Costa Diadema Cruise ship but for them they have a medical center for small illnesses.
No, ATMs are not available onboard. Guests can use onboard accounts for purchases.
The second or third day of a 7-night Costa Diadema cruise leads to the first Gala Night which is repeated on extended itineraries.
Costa Diadema is owned by Costa Cruises, a subsidiary of Carnival Corporation.
No, Costa Diadema doesn’t only do short cruises but also longer voyages for 10–11-night Mediterranean voyages and long-haul repositioning journeys such as 20+ days.
The Costa Diadema Cruise cost a night is approximately $90* to over $200* per night per person
Yes, most food is included in the cruise fare, with complimentary dining in the main restaurants and buffets. Specialty restaurants like Club Diadema incur extra charges.
Passengers on Costa Diadema cruises through automatic tips which operate as daily service charges that cost EUR 11* for each adult passenger who stays overnight. The service charge covers cabin staff and dining waiters, and your onboard account receives the charge. All beverage purchases include a 15%* gratuity charge which gets added to the total bill.
The daily passes costing around $50*, though specialized treatments vary.
The extra costs on the Costa Diadema Cruise includes daily services, Wi-Fi, alcoholic/drinks packages, Speciality dining, shore excursions, spa treatments, and certain room services orders.
The Costa Diadema cruise fare includes accommodation, main dining room meals, buffets, access to swimming pools, gym, entertainment areas, and kids/teens clubs.
Yes, Costa Cruises frequently offers senior discounts for guests aged 55 and older (sometimes 60+) on select sailings, which can apply to the Costa Diadema.
Yes, you can cancel your Costa Diadema cruise. Costa Cruises offers cancellation options, but fees depend on timing and whether you have the Cancellation Protection Plan.
Costa’s standard cancellation policy varies by cruise length: full refunds are available 60 days prior for 3- to 6-night cruises, 90 days for 7- to 14-night cruises, and 120 days for longer voyages. Penalties increase closer to the sailing date. Suites and longer itineraries have stricter terms.
Refunds depend on the time of cancellation and Costa’s policy. Full refunds are available if canceled within the specified windows (e.g., 60–120 days before sailing). Taxes, fees, and port charges are typically refundable, but deposits may not be for late cancellations.
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