12 Night Western Mediterranean from Marseille Cruise aboard the Costa Diadema
Prepare for twelve nights of relaxing travel around the Mediterranean when you reserve your outside cabin on the Costa Diadema from Marseille and back again.
On this sailing you will stop in classic destinations such as Barcelona plus less common destinations such as Cartagena, Spain, Alicante, and Gibraltar. This route is an interesting one for the Diadema, As it sails it only once.
This price is the total you pay for an outside cabin, no sneaky extra fees. Offered at less than $165 per day for an outside cabin, this represents a strong value.
The Costa Diadema
The Diadema Costa, based in South America and Europe and refurbished less than three years ago in 2023, is a Dream class cruise ship that can accomodate comfortably more than 3,700 people.
The Diadema Costa has a roller skating rink, a casino, a spa, a solarium, a jacuzzi, an outdoor movie theater, and a gym.
Your Itinerary
This sailing includes nine port days and two sea days. Highlights include visits to uncommon cities like Cartagena, Spain, Alicante, and Gibraltar.
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Outlook
Alternate Sailings
The Diadema sails this route once next year, but doesn't sail it this year. No other ship sails this exact same route. In the accompanying graphic you can see a visualization of when this ship sails as well as the relative price for an outside cabin.
Book Your Cruise
This graph shows the price over time for the different classes of cabin. Since being listed seven months ago, The cost of an outside cabin on this cruise has varied between $1,688 and $2,248 including taxes and port charges. Today this sailing is only $233 more than the all time low of $1,688 so secure your outside stateroom now before it goes up.
Last Updated: Oct 2, 2026
Last Modified: Sep 19, 2026