Cartagena Catamaran Boat Tour – Music, Sea Breeze & Fun Discover the Beauty of Cartagena Bay Experience the freedom of the Mediterranean with our 3-hour Catamaran Boat Tour in Cartagena Bay. Departing from the historic Cartagena Marina, this cruise combines relaxation, fun and breathtaking coastal scenery. Enjoy the sea breeze, lively music and a refreshing swimming stop in open water — the perfect break from your resort routine. Cartagena is one of Spain’s oldest port cities, founded over 2,000 years ago. Today it’s a vibrant blend of history and sunshine, surrounded by ancient fortresses and calm blue waters — the ideal setting for a sailing adventure.