12 Night Western Mediterranean from Barcelona Cruise aboard the Costa Diadema
Prepare yourself for twelve nights of refreshing sailing through the sea when you step aboard the Costa Diadema from Barcelona and back.
During this trip you'll spend time in favorite stops like Marseille and Lisbon in addition to unusual stops like Cartagena, Spain, Alicante, and Gibraltar. This route is an interesting one for the Diadema, As it sails it only once.
We include all all meals, entertainment, port charges, and taxes in the price, so that you can compare cruises easily. Offered at under $125 per day, this bargain is solid.
The Costa Diadema
Based in Europe and South America and refurbished less than three years ago in 2023, more than 3,700 passengers can travel comfortably on this Dream class ship.
The Diadema Costa wows guests with a roller skating rink, a gym, a jacuzzi, a solarium, a casino, a spa, and an outdoor movie theater.
Your Itinerary
This itinerary spends two sea days and nine port days. Major features include visits to more exotic ports like Cartagena, Spain, Alicante, and Gibraltar.
Alternate Sailings
The Diadema sails this route once next year, but doesn't sail it this year. This is the only ship that sails this exact route. In the accompanying graphic you can see a visualization of when this ship sails as well as the relative price.
Book Your Cruise
Since being listed five months ago, The cost of a stateroom on this itinerary has varied between $1,455 and $1,795 including taxes and port charges. This graph shows the cost over time for each type of cabin. Right now this sailing is at its lowest price, so reserve your cabin now before it rises.
Last Updated: Aug 14, 2026
Last Modified: Jul 31, 2026