The biggest U.S cruise ship company is Carnival Corporation & plc, with its flagship brand Carnival Cruise Line being the largest cruise line by passengers carried annually. The company is famous in the U.S market and offers exciting cruise experiences. Carnival Corporation & plc is headquartered in Miami and Doral, Florida, United States. Carnival Cruise Line was founded in 1972 and is a wholly owned subsidiary of Carnival Corporation & plc. Carnival Cruise Line has 29 ships as of May 2025, and 5 new ones are scheduled to be delivered between 2027 and 2033. The biggest U.S cruise company’s vessels range from mid-sized to some of the biggest, with capacities up to more than 6600 guests on the newest vessels. Carnival Corporation saw 49.9% of global cruise guests in 2024, which is about 12.9 million people and held 37.3% of industry revenue. Carnival Cruise Line handled 13.5 million cruise guests in 2024 and reported a revenue of around 25 billion dollars in the same year. It has about 40,000 employees and offers cruises to Mexico, Hawaii, the Bahamas, Europe, Alaska, the Caribbean and many more places. Carnival is popular in states like Alabama, Louisiana, Tennessee and the Carolinas. Its ships leave from all major U.S cruise ports, which makes it convenient for most Americans to access cruise ships without the need for extensive travel. It is the biggest U.S. cruise company because it offers affordable packages, making cruising accessible for many Americans. It also has itineraries of various lengths, including short cruises of 2 to 5 days, popular among first-time cruisers and those seeking quick weekend getaways. The biggest U.S cruise company’s ships are known for their lively and fun-filled atmosphere and onboard entertainment, including musicals, deck and pool parties, casinos, waterslides, spas, fitness centres, themed bars and attractions like roller coasters at sea. There are also a lot of dining options to choose from, with more than 40 venues across the fleet. The biggest cruise ships in the Carnival fleet include Carnival Jubilee, with a gross tonnage of 183,521. It is 344 m long and can accommodate 6600 guests in 2687 staterooms. The ship entered service in 2023 and is part of the Excel-class. It is homeported in Galveston, Texas and is known for having the fleet’s largest rollercoaster at sea, the BOLT. Carnival Celebration is another famous vessel homeported in Miami, Florida. It also belongs to the Excel-class and features 6 distinct guest zones, and other entertainment, recreational and dining areas like the Ultimate Playground, Bonsai Teppanyaki, RedFrog Tiki Bar, and Family Feud Live. Carnival Mardi Gras was the first Excel-class ship which entered service in 2021. It is powered by LNG and is known for Themed Neighbourhoods, Water Works, Sky Ride, Serenity-Adult Only Retreat and much more, making it a top choice among families. Carnival Luminosa can accommodate 2286 guests and offers entertainment options like the Punchliner Comedy Club, Playlist Productions, and the Supernova Bar. It has a traditional dining room and other options like the Bonsai Sushi Express and the RedFrog Rum Bar. It was built for Costa Cruises and then transferred to Carnival and is the largest of the Spirit Class Ships in the Carnival fleet. Carnival Miracle is part of the Spirit Class and entered service in 2004. It was refurbished with modern amenities such as WaterWorks and Guy’s Burger Joint, and is also a popular choice among American trav