Mass-market line known for innovative large ships with features such as rock-climbing walls and onboard surfing. Sails to the Caribbean, Mexico, Alaska, Europe, South America and Asia. Offers online booking.

Adventure cruises and exotic vacations to the Galapagos, Alaska, and Antarctica. Includes extensive information on destinations and affiliation with National Geographic

Popular, mass-market cruise line with sailings to the Caribbean, Mexico, Europe and Alaska. Information about destinations, excursions, and life on board. Direct bookings.

High-end line with small ships (250-400 guests). Relatively long sailings to a range of exotic destinations around the world.

Large, mid-price cruise line with ships that sail to a wide range of North American and exotic destinations. Offers online booking.

Luxury line following British ocean liner tradition. Trans-Atlantic crossings, around-the-world, Caribbean and European cruises. Includes historic information and a travel agent finder

Large, premium-priced line known for gracious service. Mid-sized ships sail to Alaska, Caribbean, Europe and exotic locations including an annual around-the-world cruise. Offers direct booking.

Small luxury line with mid-size ships (under 700 guests each) that sail on longer cruises to relatively exotic destinations. Formerly known as Radisson Seven Seas Cruises.

Exploration-oriented cruise line focused on remote, beautiful coastlines in Norway, Greenland and Antarctica.

Mass market line with large ships offering "freestyle" cruising: no set dining times, no dress codes, numerous extra-charge restaurants. Sails to the Caribbean, Mexico, Alaska, and Europe. Also operates NCL America, a US-flagged subsidiary operating i...