12 Night Western Mediterranean from Barcelona Cruise aboard the Costa Diadema
Prepare yourself for twelve nights of leisurely travel around the Mediterranean when you book your outside cabin on the Costa Diadema from Barcelona and back again.
On this cruise you will call on common destinations like Marseille and Lisbon as well as uncommon destinations like Cartagena, Spain, Gibraltar, and Cadiz. This route is an unusual one for the Diadema. In fact, it sails it just once.
We include all all entertainment, meals, taxes, and port fees in this price, so there are no surprises at checkout.
The Costa Diadema
Over 3,700 people can sail on this Dream class ship, based in South America and Europe and refurbished only three years ago in 2023.
The Diadema Costa offers a roller skating rink, a gym, a spa, a solarium, an outdoor movie theater, a casino, and a jacuzzi.
Your Itinerary
This sailing includes eight days in port and three sea days. Highlights include visits to uncommon stops like Cartagena, Spain, Gibraltar, and Cadiz.
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Outlook
Alternate Sailings
The Diadema sails this route once 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
Since being listed twenty-three months ago, The cost of an outside room on this cruise has varied between $1,609 and $2,734 including taxes and port fees. The accompanying graph displays the price over time for the different classes of cabin.
Last Updated: Oct 2, 2026
Last Modified: Sep 29, 2026